LurePassion · OH
Ohio
5503lakes & reservoirs · Ohio DNR Division of Wildlife
- 210 ReservoirReservoir
- Aaron CreekRiver
- Abe RunRiver
- Abram CreekRiverlive gauge
- Ackerman RunRiver
- Ackerson RunRiver
- Acton LakeReservoir
- Adams LakeReservoir
- Adams RunRiver
- Adas RunRiver
- Adena BrookRiver
- Adena Fish and Game Club DamReservoir
- Agins RunRiver
- Ahrens LakeReservoir
- Ai CreekRiverlive gauge
- Akron City ReservoirReservoir
- Albon LakeLake
- Al-Char Lake 9242-002Reservoir
- Al-Char LakesLake
- Alder Lick RunRiver
- Alder PondLake
- Aldrich PondReservoir
- Aldridge RunRiver
- Alex RunRiver
- Allard CreekRiver
- Allen RunRiver
- Allen RunRiver
- Allen RunRiver
- Allman RunRiver
- Alman RunRiver
- Als LakeReservoir
- Altiers LakeReservoir
- Alum CreekRiverlive gauge
- Alum Creek LakeReservoir
- Alum Creek LakeReservoirlive gauge
- Alum RunRiver
- Alum RunRiver
- Amann ReservoirReservoir
- Amicks ReservoirReservoir
- Anderson CreekRiver
- Anderson ForkRiver
- Anderson RunRiver
- Anderson RunRiver
- Anderson RunRiver
- Anderson RunRiver
- Anderson RunRiver
- Andersons RunRiver
- Andrews CreekRiver
- Andrews RunRiver
- Angler Paradise LakeReservoir
- Ankerman CreekRiver
- Ankrims RunRiver
- Anthony Mining Company PondReservoir
- Anthony RunRiver
- Antonoff PondReservoir
- Apple CreekRiver
- Apple Hill Farm LakeReservoir
- Appleseed Ridge Lake Number OneReservoir
- Appleseed Ridge Lake Number TwoReservoir
- Apple Valley LakeReservoir
- Archbold Reservoir Number OneReservoir
- Archbold Reservoir Number TwoReservoir
- Archers ForkRiver
- Arcola CreekRiver
- Argyle-Woodland RunRiver
- Armco Park LakeReservoir
- Armco PondReservoir
- Armington LakeReservoir
- Armstrong RunRiver
- Armstrong RunRiver
- Arney RunRiver
- Arrowhead LakeReservoir
- Arrowhead LakeReservoir
- Asbury CreekRiver
- Asher LakeLake
- Asher RunRiver
- Ash RunRiver
- Ash RunRiver
- Ashtabula County Outdoor Club LakeReservoir
- Ashtabula CreekRiver
- Ashtabula RiverRiver
- Ashton PondReservoir
- Askue RunRiver
- Athens Fish and Game Club LakeReservoir
- Atkinson CreekRiver
- Atomic Energy Commission LakeReservoir
- Atomic Energy Commission PondReservoir
- Attica Upground ReservoirReservoir
- Atwood LakeReservoir
- Auglaize RiverRiverlive gauge
- Aukerman CreekRiver
- Aults RunRiver
- Aumiller CreekRiver
- Aurand RunRiver
- Aurora BranchRiver
- Aurora PondReservoir
- Ausbergers CreekRiver
- Austin LakeReservoir
- Avondale Wildlife Area Reservoir Number OneReservoir
- Avondale Wildlife Area Reservoir Number TwoReservoir
- Ax Factory RunRiver
- Ayers CreekRiver
- Aylworth CreekRiver
- Ayre DitchRiver
- Babble BrookRiver
- Babb RunRiver
- Backbone CreekRiver
- Back of Howells PondReservoir
- Back RunRiver
- Back RunRiver
- Back RunRiver
- Bacon RunRiver
- Bad CreekRiver
- Badger LakeReservoir
- Badger RunRiver
- Bailey LakeLake
- Bailey LakeLake
- Bailey RunRiver
- Bailey RunRiver
- Baker CreekRiver
- Baker CreekRiverlive gauge
- Baker ForkRiver
- Baker ForkRiver
- Baker LakeLake
- Baker RunRiver
- Bakers Fork Buffalo CreekRiver
- Bakers PondReservoir
- Bald Eagle RunRiver
- Bald Knob RunRiver
- Bald LickRiver
- Baldwin CreekRiverlive gauge
- Baldwin LakeReservoir
- Baldwin ReservoirReservoir
- Baldwin RunRiver
- Ball Alley RunRiver
- Ballinger RunRiver
- Ball RunRiver
- Banklick CreekRiver
- Banks PondReservoir
- Banquet Foods Reservoir (historical)Reservoir
- Bantas ForkRiver
- Baptist Foundation LakeReservoir
- Barbara RunRiver
- Barbers RunRiver
- Barberton ReservoirReservoir
- Barcer RunRiver
- Bar-E Club LakeReservoir
- Bares RunRiver
- Bares RunRiver
- Barhorst Lake (historical)Reservoir
- Barkcamp CreekRiver
- Bark CreekRiver
- Barnes CreekRiver
- Barnes CreekRiver
- Barnes RunRiver
- Barnes RunRiver
- Barnes RunRiver
- Barnesville LakeReservoir
- Barnesville ReservoirReservoir
- Barnesville ReservoirReservoir
- Barnesville Reservoir Number ThreeReservoir
- Barnesville Reservoir Number TwoReservoir
- Barney ForkRiver
- Barney RunRiver
- Barrel RunRiver
- Barren CreekRiver
- Barron CreekRiver
- Barr RunRiver
- Bartholomew RunRiver
- Bartlett RunRiver
- Bartley PondReservoir
- Bassage Lake DamReservoir
- Bass LakeLake
- Bass LakeLake
- Bass LakeReservoir
- Bass LakesLake
- Batchlet RunRiver
- Bates CreekRiver
- Bates CreekRiver
- Bath CreekRiver
- Bath PondLake
- Battle RunRiver
- Baughman CreekRiver
- Baughman RunRiver
- Baughman RunRiver
- Baylor RunRiver
- Beach City LakeReservoirlive gauge
- Beach RunRiver
- Beal LakeReservoir
- Beallsville Sportsmens Club LakeReservoir
- Beal RunRiver
- Beals RunRiver
- Bean CreekRiver
- Bean CreekRiverlive gauge
- Bear BranchRiver
- Bear CreekRiver
- Bear CreekRiver
- Bear CreekRiver
- Bear CreekRiver
- Bear CreekRiver
- Bear CreekRiver
- Bear CreekRiver
- Bear CreekRiver
- Bear CreekRiver
- Bear CreekRiver
- Bear CreekRiver
- Bear Creek LakeReservoir
- Beards RunRiver
- Bear Hole RunRiverlive gauge
- Bearman RunRiver
- Bear PondReservoir
- Bear RunRiver
- Bear RunRiver
- Bear RunRiver
- Bear RunRiver
- Bear RunRiver
- Bear RunRiver
- Bear RunRiver
- Bear RunRiver
- Bear RunRiver
- Bear RunRiver
- Bear RunRiver
- Bears Den RunRiver
- Bear Swamp RunRiver
- Beartown LakesReservoir
- Bearwallow RunRiver
- Beasley ForkRiver
- Beasley RunRiver
- Beaver CreekRiverlive gauge
- Beaver CreekRiver
- Beaver CreekRiver
- Beaver CreekRiverlive gauge
- Beaver CreekRiver
- Beaver CreekRiver
- Beaver CreekRiver
- Beaver CreekRiver
- Beaver CreekRiverlive gauge
- Beaver CreekRiver
- Beaver CreekRiver
- Beaver Creek Upground ReservoirReservoir
- Beaver Dam BranchRiver
- Beaverdam CreekRiver
- Beaverdam RunRiverlive gauge
- Beaver LakeLake
- Beaver LakeReservoir
- Beaver Lake (historical)Lake
- Beaver Meadow RunRiver
- Beaver RunRiver
- Beaver RunRiver
- Beaver RunRiver
- Beaver RunRiver
- Beaver RunRiver
- Beaver RunRiver
- Becketts RunRiver
- Beech CreekRiver
- Beech ForkRiver
- Beech ForkRiver
- Beech Fork Buffalo CreekRiver
- Beech RunRiver
- Beech RunRiver
- Beeham RunRiver
- Bee LickRiver
- Bee RunRiver
- Bee RunRiver
- Bee RunRiver
- Bee RunRiver
- Bee RunRiver
- Beetle CreekRiver
- Beetree RunRiver
- Beggar RunRiver
- Bellamy RunRiver
- Bell CreekRiver
- Bellevue ReservoirReservoir
- Bellevue Reservoir Number FourReservoir
- Bellevue Reservoir Number OneReservoir
- Bellevue Upground Reservoir Number ThreeReservoir
- Bell LakeReservoir
- Bell LakesLake
- Bell Lick RunRiver
- Bell PondReservoir
- Bell RunRiver
- Bells RunRiver
- Bells RunRiver
- Bells RunRiver
- Bellwood LakeReservoir
- Belmont LakeReservoir
- Bel-Wood Country Club LakeReservoir
- Bend ForkRiver
- Benien CreekRiver
- Bennett RunRiver
- Bent CreekRiver
- Benua LakeReservoir
- Ber Al. LakeReservoir
- Berkshire LakeReservoir
- Berlin LakeReservoirlive gauge
- Bern LakeLake
- Berry CreekRiver
- Berry RunRiver
- Berrys RunRiver
- Bethel ReservoirReservoir
- Bethesda ReservoirReservoir
- Bethesda Sportsmans Club PondReservoir
- Better LakeReservoir
- Bettys CreekRiver
- Beulah LakeLake
- Beyers PondReservoir
- Bibbees Little Rock LakeReservoir
- Biddle CreekRiver
- Bieler RunRiver
- Biers RunRiver
- Big Bailey RunRiver
- Big Beaver CreekRiver
- Big Beaver CreekRiver
- Big Bottom RunRiver
- Big BranchRiver
- Big Branch CreekRiver
- Big Cave RunRiver
- Big CreekRiver
- Big CreekRiver
- Big CreekRiverlive gauge
- Big CreekRiver
- Big Darby CreekRiver
- Bigfoot RunRiver
- Big Indian CreekRiver
- Big Island Wildlife Area ReservoirReservoir
- Big LakeLake
- Biglick RunRiver
- Big Rock LakeReservoir
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big RunRiver
- Big Spring CreekRiver
- Big Swale CreekRiver
- Big Threemile CreekRiver
- Big Walnut CreekRiverlive gauge
- Bill Moose RunRiver
- Binns LakeReservoir
- Birds RunRiver
- Bishard PondReservoir
- Bishop RunRiver
- Bishop RunRiver
- Bixon CreekRiver
- Black BrookRiver
- Black CreekRiver
- Black CreekRiver
- Black CreekRiver
- Black CreekRiver
- Black CreekRiver
- Black ForkRiver
- Black ForkRiver
- Black ForkRiver
- Black Fork Mohican RiverRiverlive gauge
- Blackhawk RunRiver
- Blackhoof CreekRiver
- Blackjack BranchRiver
- Blackjack LakeLake
- Black LakeLake
- Blacklick CreekRiverlive gauge
- Black PondLake
- Black PondReservoir
- Black RiverRiver
- Black RunRiver
- Black RunRiver
- Black RunRiver
- Black RunRiver
- Blacksnake CreekRiver
- Blacks RunRiver
- Black Walnut Fork Stout CreekRiver
- Blackwater CreekRiver
- Blair RunRiver
- Blake RunRiver
- Blanchard RiverRiverlive gauge
- Blanchard RunRiver
- Blanchester Reservoir Number FourReservoir
- Blanchester Reservoir Number ThreeReservoir
- Blanchester Upground Reservoir NReservoir
- Blatt PondReservoir
- Blinco BranchRiver
- Bliss RunRiver
- Blockers RunRiver
- Blockhouse RunRiver
- Blood RunRiver
- Bloody RunRiver
- Bloody RunRiver
- Bloody RunRiver
- Bloom Furnace CreekRiver
- Blosser CreekRiver
- Blount RunRiver
- Blue Ash RunRiver
- Blueberry PondLake
- Blue CreekRiver
- Blue CreekRiverlive gauge
- Blue CreekRiver
- Blue CreekRiver
- Blue HoleLake
- Blue HoleLake
- Blue Jacket CreekRiver
- Bluelick RunRiver
- Blue PondLake
- Blue Ridge RunRiver
- Blue Rock CreekRiver
- Blue Rock CreekRiver
- Blue RunRiver
- Blues CreekRiver
- Blues RunRiver
- Bluff RunRiver
- Bluff RunRiver
- Bluffton College LakeReservoir
- Blunt RunRiver
- Boat RunRiver
- Boat RunRiver
- Bobolink PondReservoir
- Bobs RunRiver
- Boehmler PondReservoir
- Bogart PondReservoir
- Boggs CreekRiver
- Boggs ForkRiverlive gauge
- Bogie RunRiver
- Bogles RunRiver
- Boich Mining Company Pond Number OneReservoir
- Boich Mining Company Pond Number TwoReservoir
- Boka Woods Number One ReservoirReservoir
- Bokengehalas CreekRiverlive gauge
- Bokes CreekRiver
- Bolander RunRiver
- Boland RunRiver
- Bold Face CreekRiver
- Bolivar LakeReservoir
- Bolivian RunRiver
- Bolton RunRiver
- Bonnett LakeLake
- Bonser RunRiver
- B & O Railroad PondReservoir
- B & O Railroad Pond 1025-006Reservoir
- B & O Railroad Pond 1026-001Reservoir
- B & O Railroad Pond DamReservoir
- Boreman LakeReservoir
- Boseman RunRiver
- Boston RunRiver
- Boston RunRiver
- Boswell RunRiver
- Bowers LakeReservoir
- Bowers PondReservoir
- Bowling Green CreekRiver
- Bowling Green RunRiver
- Bowl RunRiver
- Bowman RunRiver
- Boyd CreekRiver
- Braden LakeLake
- Bradford BranchRiver
- Bradford CreekRiver
- Bradford RunRiver
- Bradway CreekRiver
- Brady LakeLake
- Brady RunRiver
- Brady RunRiver
- Brail LakeReservoir
- Brammer PondReservoir
- Brandywine CreekRiverlive gauge
- Brandywine CreekRiver
- Brandywine CreekRiver
- Brandywine CreekRiver
- Brandywine LakeLake
- Brannons ForkRiver
- Breakneck CreekRiver
- Brehm RunRiver
- Brelsford RunRiver
- Brenners RunRiver
- Brentwood LakeReservoir
- Briar Hill LakeReservoir
- Briarly CreekRiver
- Brickyard PondReservoir
- Bridge CreekRiver
- Bridge CreekRiver
- Bridgewater CreekRiver
- Briggs RunRiver
- Brill RunRiver
- Brimstone CreekRiver
- Brimstone RunRiver
- Brimstone RunRiver
- Brinley ForkRiver
- Brister ForkRiver
- Broad RunRiver
- Brocklehurst LakeReservoir
- Brocks RunRiver
- Brodie LakeReservoir
- Broken Aro Sedimentation Reservoir Number FourReservoir
- Broken Aro Slurry Pond Number FourReservoir
- Broken Aro Slurry Pond Number OneReservoir
- Broken Aro Slurry Pond Number ThreeReservoir
- Broken Aro Slurry Pond Number TwoReservoir
- Broken Aro Watersupply ImpoundmentReservoir
- Brokenknife CreekRiver
- Broken Sword CreekRiver
- Brondige RunRiver
- Bronson CreekRiver
- Bronze RunRiver
- Brookside Country Club LakeReservoir
- Brookside Development Company LakeReservoir
- Brooks RunRiver
- Broomstick RunRiver
- Brouse RunRiver
- Brownhelm CreekRiver
- Browning RunRiver
- Brown LakeLake
- Brown RunRiver
- Browns Recreation LakeReservoir
- Browns RunRiver
- Browns RunRiver
- Browns RunRiver
- Browns RunRiver
- Browns RunRiver
- Browns RunRiver
- Browns RunRiver
- Brubaker CreekRiver
- Brubaker CreekRiver
- Bruce CreekRiver
- Brukner LakeReservoir
- Bruno PondReservoir
- Brush CreekRiver
- Brush CreekRiver
- Brush CreekRiver
- Brush CreekRiver
- Brush CreekRiver
- Brush CreekRiver
- Brush CreekRiver
- Brush CreekRiver
- Brush CreekRiver
- Brush CreekRiver
- Brush ForkRiver
- Brush ForkRiver
- Brush ForkRiver
- Brush LakeLake
- Brush RunRiver
- Brush RunRiver
- Brush RunRiver
- Brush RunRiver
- Brush RunRiver
- Brush RunRiver
- Brush RunRiver
- Brush RunRiver
- Brush RunRiver
- Brush RunRiver
- Brush RunRiver
- Brushy BranchRiver
- Brushy Buckeye CreekRiver
- Brushy CreekRiver
- Brushy CreekRiver
- Brushy ForkRiver
- Brushy ForkRiverlive gauge
- Brushy ForkRiver
- Brushy ForkRiver
- Brushy ForkRiver
- Brushy ForkRiver
- Brushy ForkRiver
- Brushy ForkRiver
- Brushy ForkRiver
- Brushy ForkRiver
- Brushy ForkRiver
- Brushy ForkRiver
- Brushy ForkRiver
- Brushy Fork Eagle CreekRiver
- Brushy Fork Reservoir Number SevenReservoir
- Brushy Fork Upper Twin CreekRiver
- Bryans RunRiver
- Bryson BranchRiver
- BSA-Muskingum Valley Council LakeReservoir
- Buck CreekRiver
- Buck CreekRiver
- Buck CreekRiver
- Buck CreekRiver
- Buck CreekRiver
- Buck CreekRiver
- Buck CreekRiver
- Buckeye CreekRiver
- Buckeye CreekRiver
- Buckeye CreekRiverlive gauge
- Buckeye CreekRiver
- Buckeye ForkRiver
- Buckeye LakeReservoir
- Buckeye LakeReservoir
- Buckeye RunRiver
- Buckeye RunRiver
- Buckeye SwampLake
- Buckhorn CreekRiver
- Buckhorn CreekRiver
- Buck LakeLake
- Bucklew RunRiver
- Buckley RunRiver
- Buck LickRiver
- Bucklick CreekRiver
- Buck RunRiver
- Buck RunRiver
- Buck RunRiver
- Buck RunRiver
- Buck RunRiver
- Buck RunRiver
- Buck RunRiver
- Buck RunRiver
- Buck RunRiver
- Buck RunRiver
- Buck RunRiver
- Buck RunRiver
- Buck RunRiver
- Buck RunRiver
- Buckrun CreekRiver
- Buckskin CreekRiver
- Buckskin CreekRiver
- Bucks RunRiver
- Bucks RunRiver
- Bucyrus ReservoirReservoirlive gauge
- Bucyrus Reservoir Number OneReservoir
- Bucyrus Reservoir Number TwoReservoir
- Bud LakeLake
- Buffalo CreekRiver
- Buffalo CreekRiver
- Buffalo CreekRiver
- Buffalo ForkRiver
- Buffalo ForkRiver
- Buffalo RunRiver
- Buffalo RunRiver
- Buffalo RunRiver
- Buffer RunRiver
- Buhrs RunRiver
- Bull BranchRiver
- Bull CreekRiver
- Bull CreekRiver
- Bull CreekRiver
- Bull CreekRiver
- Bull CreekRiver
- Bull RunRiver
- Bull RunRiver
- Bull RunRiver
- Bull RunRiver
- Bull RunRiver
- Bull RunRiver
- Bull RunRiver
- Bull RunRiver
- Bullskin CreekRiver
- Bullskin CreekRiver
- Bundle RunRiver
- Bunker Hill Haven LakeReservoir
- Bunker RunRiver
- Bunns LakeLake
- Burchs RunRiver
- Burgess LakeLake
- Burgess RunRiver
- Burgett RunRiver
- Burk BranchRiver
- Burley RunRiver
- Burnett RunRiver
- Burns RunRiver
- Burnt RunRiver
- Burntwood CreekRiver
- Burrels RunRiver
- Burr Oak ReservoirReservoirlive gauge
- Burr RunRiver
- Burt LakeReservoir
- Burton LakeLake
- Burton LakeReservoir
- Bush CreekRiver
- Buskirk CreekRiver
- Busses RunRiver
- Butcherknife CreekRiver
- Butler RunRiver
- Buttermilk CreekRiver
- Buttermilk Fork Churn CreekRiver
- Butternut CreekRiver
- Butts RunRiver
- Buzzardroost CreekRiver
- Buzzard RunRiver
- Cabbage RunRiver
- Cabin CreekRiver
- Cabin RunRiver
- Cabin RunRiver
- Cabin RunRiver
- Cactus LakeLake
- Cadiz Country Club LakeReservoir
- Cady RunRiver
- Caesar CreekRiver
- Caesar Creek LakeReservoirlive gauge
- Caesar Creek LakeReservoir
- Cahoon CreekRiver
- Cairl CreekRiverlive gauge
- Caldwell LakeReservoir
- Caldwell LakeReservoir
- Calico CreekRiver
- California BranchRiver
- Calvins Marsh ReservoirReservoir
- Cambria CreekRiver
- Cambridge ReservoirReservoir
- Camel CreekRiver
- Campaign CreekRiver
- Campbell RunRiver
- Camp Branch Long CreekRiver
- Camp Butler LakeReservoir
- Camp Conestoga LakeReservoir
- Camp Conger LakeReservoir
- Camp CreekRiver
- Camp CreekRiver
- Camp CreekRiver
- Camp CreekRiver
- Camp CreekRiver
- Camp Crowell Lake (historical)Reservoir
- Camp Francis Asbury PondReservoir
- Camp Hilaka LakeReservoir
- Camping Ground RunRiver
- Camp Jungen LakeReservoir
- Camp Lakota Boy Scout LakeReservoir
- Camp Otterbein LakeReservoir
- Camp Ross Trails LakeReservoir
- Camp RunRiver
- Camp RunRiver
- Camp RunRiver
- Camp RunRiver
- Camp RunRiver
- Camp RunRiver
- Camp Seneca LakeReservoirlive gauge
- Camp Wesley LakeReservoir
- Camp Whitewood LakeReservoir
- Canaanville RunRiver
- Canada RunRiver
- Candlewood LakeReservoir
- Candy RunRiver
- Cannons CreekRiver
- Canyon RunRiver
- Captain Nathan Lammes CreekRiver
- Captina CreekRiver
- Carbondale CreekRiver
- Careys RunRiver
- Carleton CreekRiver
- Carol-Jane LakeReservoir
- Carpenter CreekRiver
- Carpenter RunRiver
- Carr Bailey RunRiver
- Carrington PondReservoir
- Carroll Kemp Corporation ReservoirReservoir
- Carroll RunRiver
- Carroll RunRiver
- Carrollton Club PondLake
- Carrs RunRiver
- Carson PondLake
- Carter and Evans LakeReservoir
- Carter CreekRiver
- Carter LakeLake
- Carter LakeReservoir
- Carter RunRiver
- Carter RunRiver
- Carter RunRiver
- Cartwright RunRiver
- Casey RunRiver
- Cassel RunRiver
- Cassel RunRiver
- Castro RunRiver
- Cat CreekRiver
- Cat RunRiver
- Cat RunRiver
- Cattail CreekRiver
- Cattail RunRiver
- Cattail RunRiver
- Caulley CreekRiver
- Cave LakeReservoir
- Cave RunRiver
- Cedar BranchRiver
- Cedar CreekRiver
- Cedar CreekRiver
- Cedar Creek PondReservoir
- Cedar ForkRiverlive gauge
- Cedar ForkRiver
- Cedar LakeLake
- Cedar LakesLake
- Cedar Lick CreekRiver
- Cedar Lick RunRiver
- Cedar RunRiver
- Cedar RunRiver
- Cedar RunRiver
- Cedar RunRiver
- Cedar RunRiver
- Cedar RunRiver
- Cedar RunRiver
- Cedarville ReservoirReservoir
- Celeryville ReservoirReservoir
- Center BranchRiver
- Center Branch Rush CreekRiver
- Center CreekRiver
- Center CreekRiver
- Center CreekRiver
- Center CreekRiver
- Center ForkRiver
- Center RunRiver
- Central Ohio Coal Company Nb-151 ReservoirReservoir
- Central Ohio Coal Company Pond 9615-031Reservoir
- Central Ohio Council BSA PondReservoir
- Central Silica Company Pond 9722-009Reservoir
- Central Silica Company Pond 9722-012Reservoir
- Cessna CreekRiver
- Chagrin RiverRiver
- Chainey RunRiver
- Chambers CreekRiver
- Chambers RunRiver
- Chambers RunRiver
- Champagne Shores PondReservoir
- Champion CreekRiver
- Chandlers RunRiver
- Chaneyville RunRiver
- Chapel CreekRiver
- Chapman CreekRiver
- Chapman RunRiver
- Chappel CreekRiver
- Chaps RunRiver
- Charlemont CreekRiver
- Charles Mill LakeReservoirlive gauge
- Charley CreekRiver
- Charley Run CreekRiver
- Chase Bag Company Lower LakeReservoir
- Chase Bag Company Upper LakeReservoir
- Chateau Lakes Number OneReservoir
- Chateau Lakes Number TwoReservoir
- Chautauqua ReservoirReservoir
- Chenoweth ForkRiver
- Cherokee Mans RunRiver
- Cherokee RunRiver
- Cherry CreekRiver
- Cherry ForkRiver
- Cherry ForkRiver
- Cherry RunRiver
- Cherry RunRiver
- Cherry Valley PondLake
- Cherry Valley RunRiverlive gauge
- Chestnut CreekRiver
- Chettle LakeLake
- Chevy Branch Big CreekRiver
- Chickamauga CreekRiver
- Chickasaw CreekRiverlive gauge
- Chickasaw East ForkRiver
- Chiefs LakeReservoir
- Chippewa CreekRiver
- Chippewa CreekRiverlive gauge
- Chippewa Creek Watershed 2A ReservoirReservoir
- Chippewa Creek Watershed 4a ReservoirReservoirlive gauge
- Chippewa LakeLake
- Chippewa Watershed Conservation District Structure ReservoirReservoir
- Chippewa Watershed Conservation District Structure ReservoirReservoir
- Chippewa Watershed Conservation District Structure ReservoirReservoir
- Chippewa Watershed Conservation District Structure ReservoirReservoir
- Chippewa Watershed Conservation District Structure ReservoirReservoir
- Chippy RunRiver
- Chitwood PondReservoir
- Chocolate RunRiver
- Choctaw LakeReservoir
- Christian Center LakeReservoir
- Christian CreekRiver
- Christian Union Church LakeReservoir
- Christmas RunRiver
- Churn CreekRiver
- Churn CreekRiver
- Churn Creek ReservoirReservoir
- Cincinnati Gas and Electric Lake (historical)Reservoir
- Cincinnati Nature Center LakeReservoir
- Cinnamon LakeReservoir
- City ReservoirReservoir
- Clara Root CreekRiver
- Clare Mar Camp LakeReservoir
- Clarence J Brown ReservoirReservoir
- Claribel CreekRiver
- Clark Chapel Acres Recreation PondReservoir
- Clark LakeLake
- Clark LakeReservoir
- Clark Lakes Pond OneReservoir
- Clark RunRiver
- Clark RunRiver
- Clark RunRiver
- Clark RunRiver
- Clark Run LakeReservoir
- Clarks RunRiver
- Clay CreekRiver
- Claylick CreekRiver
- Clay Lick CreekRiver
- Claylick RunRiver
- Claylick RunRiver
- Claylick RunRiver
- Claypit CreekRiver
- Claypool RunRiver
- Claypools RunRiver
- Clays Park LakeReservoir
- Clean ForkRiver
- Clear CreekRiver
- Clear CreekRiver
- Clear CreekRiver
- Clear CreekRiver
- Clear CreekRiver
- Clear CreekRiver
- Clear CreekRiver
- Clear CreekRiverlive gauge
- Clear CreekRiver
- Clear CreekRiver
- Clear CreekRiver
- Clear ForkRiver
- Clear ForkRiver
- Clear ForkRiver
- Clear ForkRiver
- Clear ForkRiverlive gauge
- Clear ForkRiver
- Clear Fork Licking RiverRiver
- Clear Fork Little Muskingum RiverRiverlive gauge
- Clear Fork Mohican RiverRiver
- Clear Fork ReservoirReservoir
- Clear RunRiver
- Clearwater LakesReservoir
- Clems PondReservoir
- Clendening LakeReservoir
- Clermont NE School LakeReservoir
- Clewell RunRiver
- Cliff CreekRiver
- Clifton LagoonLake
- Clough CreekRiver
- Clouse LakeReservoir
- Cloverdale LakeReservoir
- Cloverlick CreekRiver
- Clover RunRiver
- Coal BranchRiver
- Coalbrook CreekRiver
- Coalburg LakeReservoir
- Coal RunRiver
- Coal RunRiver
- Coal RunRiver
- Coal RunRiver
- Coal RunRiver
- Coal RunRiver
- Coal RunRiver
- Coal RunRiver
- Coal RunRiver
- Coal RunRiver
- Coates RunRiver
- Cochran RunRiver
- Cockrell RunRiver
- Coe CreekRiver
- Coe LakeReservoir
- Coffee and Tea CreekRiver
- Coffee CreekRiver
- Coffee CreekRiver
- Coffee CreekRiver
- Coffee CreekRiver
- Coffee RunRiver
- Coffee RunRiver
- Coffer RunRiver
- Coffman RunRiver
- Cola CreekRiver
- Colclaser RunRiver
- Cold CreekRiver
- Cold RunRiver
- Cold Spring RunRiver
- Coldstream Country Club LakeReservoir
- Coldwater CreekRiver
- Coldwater CreekRiverlive gauge
- Colebrook LakeReservoir
- Cole CreekRiver
- Coleman BranchRiver
- Coleman RunRiver
- Colleda Branch Big CreekRiver
- College CreekRiver
- Collier LakeReservoir
- Colliers RunRiver
- Collins CreekRiver
- Collins ForkRiver
- Collins PondLake
- Collins RunRiver
- Colman RunRiver
- Columbia LakeLake
- Columbus and Southern Ohio Electric Company Ash Pond (historical)Reservoir
- Columbus and Southern Pond 0116-00Reservoir
- Comet LakeReservoir
- Compton CreekRiver
- Comstock PondReservoir
- Confusion RunRiver
- Congo CreekRiver
- Congress CreekRiver
- Congress LakeLake
- Congress Lake OutletRiver
- Congress RunRiver
- Congress RunRiver
- Congress RunRiver
- Conneaut CreekRiverlive gauge
- Conner BranchRiver
- Conotton CreekRiver
- Conser RunRiver
- Conser Run LakeReservoir
- CONSOL Energy PondReservoir
- Consolidation Coal Company 0110-028 ReservoirReservoir
- Consolidation Coal Company Dam 0107-0Reservoir
- Consolidation Coal Company PondReservoir
- Consolidation Coal Company Pond 0010-Reservoir
- Consolidation Coal Company Pond 0107-Reservoir
- Consolidation Coal Company Pond 0107-Reservoir
- Consolidation Coal Company Pond 0110-Reservoir
- Consolidation Coal Company Pond 0110-Reservoir
- Consolidation Coal Company Pond 0110-Reservoir
- Consolidation Coal Company Pond 0110-Reservoir
- Consolidation Coal Company Pond 0110-Reservoir
- Consolidation Coal Company Pond 0110-Reservoir
- Consolidation Coal Company Pond 0110-Reservoir
- Consolidation Coal Company Pond 0206Reservoir
- Consolidation Coal Company Pond 0207Reservoir
- Consolidation Coal Company Pond 0207-Reservoir
- Contractors Realty Corporation PondReservoir
- Conway CreekRiver
- Cooke Pond Number OneReservoir
- Cooke Pond Number TwoReservoir
- Cook PondReservoir
- Cooks RunRiver
- Cooks RunRiver
- Coon CreekRiver
- Coon CreekRiver
- Coon CreekRiver
- Coon CreekRiver
- Coon CreekRiver
- Cooney BranchRiver
- Coon RunRiver
- Coon RunRiver
- Copacia LakeLake
- Copes LakeLake
- Coppedge PondReservoir
- Corbin CreekRiver
- Corey RunRiver
- Cornell RunRiver
- Cornick RunRiver
- Corning LakeLake
- Corns RunRiver
- Coronado LakeReservoir
- Cossett CreekRiver
- Cottage Grove LakeReservoir
- Cotton RunRiver
- Cottonwood SwaleRiver
- Coulters RunRiver
- Countrymans CreekRiver
- Counts RunRiver
- Cove RunRiver
- Cowan CreekRiver
- Cowan LakeReservoir
- Cowen RunRiver
- Cowles CreekRiver
- Cow RunRiver
- Cow RunRiver
- Cowtail RunRiver
- Cox BranchRiver
- Cox CreekRiver
- Cox RunRiver
- Cox RunRiver
- Coy LakeReservoir
- Coyote CreekRiver
- Coyote RunRiver
- Coyote RunRiver
- Crabapple CreekRiverlive gauge
- Crabapple CreekRiver
- Crabapple CreekRiver
- Crab BranchRiver
- Crab CreekRiverlive gauge
- Craborchard CreekRiver
- Crab RunRiver
- Crains RunRiver
- Crall PondReservoir
- Cranberry CreekRiver
- Cranberry CreekRiver
- Cranberry CreekRiver
- Cranberry RunRiver
- Cranberry RunRiver
- Cranberry RunRiver
- Cranberry RunRiver
- Crane CreekRiver
- Crane LakeReservoir
- Cranenest CreekRiver
- Cranenest ForkRiver
- Crane RunRiver
- Crane RunRiver
- Cranes PondLake
- Crawford PondReservoir
- Crawford RunRiver
- Crawley LakeReservoir
- Creek Chub RunRiver
- Creighton RunRiver
- Crescent Isle LakeReservoir
- Crestline ReservoirReservoir
- Crooked CreekRiverlive gauge
- Crooked CreekRiver
- Crooked CreekRiver
- Crooked CreekRiver
- Crooked CreekRiver
- Crooked CreekRiver
- Crooked CreekRiver
- Crooked CreekRiver
- Crooked CreekRiver
- Crooked CreekRiver
- Crooked RunRiver
- Crooked RunRiver
- Crooked RunRiver
- Crooked RunRiver
- Crooksville ReservoirReservoir
- Crooksville Reservoir Number OneReservoir
- Crooksville Reservoir Number TwoReservoir
- Croskey PondReservoir
- Cross CreekRiver
- Cross Creek Coal Company Reservoir 0314-00Reservoir
- Crosses RunRiver
- Crosskeys RunRiver
- Cross PondReservoir
- Crow CreekRiver
- Crow RunRiver
- Croxton RunRiver
- Crumley CreekRiver
- Crystal LakeReservoir
- Crystal LakeLake
- Crystal LakeLake
- Crystal LakeLake
- Crystal LakeReservoir
- Crystal LakesReservoir
- Csonka Brothers PondReservoir
- Cub RunRiver
- Cuckle CreekRiver
- Culbertson Farm LakeReservoir
- Culp LakeLake
- Culp RunRiver
- Culver CreekRiver
- Culver RunRiver
- Cumberland RunRiver
- Cummings CreekRiver
- Cunningham CreekRiver
- Curlane RunRiver
- Curtis RunRiver
- Cushing RunRiver
- Cutler LakeReservoir
- Cutts CreekRiver
- Cuyahoga Falls Low Head ReservoirReservoir
- Cuyahoga RiverRiverlive gauge
- Cuyahoga River ReservoirReservoir
- Cyanamid Corporation PondReservoir
- Dairy RunRiver
- Dakins RunRiver
- Damms LakeLake
- Danas RunRiver
- Darby CreekRiver
- Darby CreekRiver
- Dare RunRiver
- Dark Cave RunRiver
- Darke Company Lake Wildlife Area PondReservoir
- Dark Hollow RunRiver
- Darling RunRiver
- Darrow LakeReservoir
- Darrow LakeReservoir
- Darrs RunRiver
- Davenport PondLake
- Davids RunRiver
- Davis CreekRiver
- Davis PondReservoir
- Davis RunRiver
- Davis RunRiver
- Davis RunRiver
- Davis RunRiver
- Dawes Arboretum PondReservoir
- Deacon CreekRiver
- Dead BranchRiver
- Deadhorse RunRiver
- Deans ForkRiver
- Death CreekRiver
- Death RunRiver
- Decker LakeReservoir
- Decker Pond (historical)Lake
- Deep RunRiver
- Deep RunRiver
- Deep RunRiver
- Deer CreekRiver
- Deer CreekRiver
- Deer CreekRiver
- Deer CreekRiver
- Deer CreekRiver
- Deer CreekRiver
- Deer Creek LakeReservoir
- Deer Creek LakeReservoirlive gauge
- Deer RunRiver
- Defiance ReservoirReservoirlive gauge
- Delano RunRiver
- Dela Pama Fishing LakeReservoir
- Delaware CreekRiver
- Delaware LakeReservoirlive gauge
- Delaware RunRiver
- Delhurst LakeReservoir
- Dellroy CreekRiverlive gauge
- DeLoss CreekRiverlive gauge
- Delta Land PondReservoir
- Delta ReservoirReservoir
- Delwood RunRiver
- Demings Arbor LakeLake
- Dennison DitchRiver
- Dennis RunRiver
- Denny CreekRiver
- Depue RunRiver
- Dever PondReservoir
- Devers RunRiver
- DeVoa RunRiver
- Devol RunRiver
- Deweese Ponds (historical)Lake
- Dewey CreekRiver
- DeWitt RunRiver
- Dews RunRiver
- Dexter RunRiver
- Dickason RunRiver
- Dickerson RunRiver
- Dickinson RunRiver
- Dicks CreekRiver
- Dicks CreekRiver
- Dicks CreekRiver
- Dieckbrader LakeReservoir
- Diehl LakeReservoir
- Diehl RunRiver
- Diehr LakeReservoir
- Dillon LakeReservoirlive gauge
- Dining ForkRiver
- Dinner ForkRiver
- Di-Or PondReservoir
- Dirty CreekRiver
- Dirtyface CreekRiver
- Dirty ForkRiver
- Dismal CreekRiver
- Dismal CreekRiver
- Dittoe RunRiver
- Diversion Dam LakeReservoir
- Dividing BranchRiver
- Dixon BranchRiver
- Dixon RunRiver
- Doan BrookRiverlive gauge
- Dodge PondReservoir
- Dodge RunRiver
- Dodson CreekRiver
- Dog CreekRiver
- Dog ForkRiver
- Dog Hollow RunRiver
- Dog RunRiver
- Dog RunRiver
- Dog RunRiver
- Dogskin RunRiver
- Dogwood Valley Camp LakeReservoir
- Dohner LakeLake
- Doke LakeLake
- Dollar LakeReservoir
- Donalds CreekRiver
- Donaldson CreekRiver
- Donnels CreekRiver
- Donta PondReservoir
- Dorothy Mine PondReservoir
- Dorr RunRiver
- Dotson CreekRiver
- Doty RunRiver
- Double CreekRiver
- Doudna RunRiver
- Doughman LakeReservoir
- Doughty CreekRiver
- Dover LakeLake
- Dover LakeReservoirlive gauge
- Dove RunRiver
- Dowd CreekRiver
- Dow LakeReservoir
- Drake Fork Indian Guyan CreekRiver
- Drake RunRiver
- Drapers RunRiver
- Dream Valley LakeReservoir
- Dresbach CreekRiver
- Drift CreekRiver
- Drumm PondReservoir
- Dry Bone CreekRiver
- Dry BranchRiver
- Dry CreekRiver
- Dry CreekRiver
- Dry CreekRiver
- Dry CreekRiver
- Dry CreekRiver
- Dry CreekRiver
- Dry CreekRiver
- Dry ForkRiver
- Dry ForkRiver
- Dry ForkRiver
- Dry ForkRiver
- Dry ForkRiver
- Dry ForkRiver
- Dry Fork Whitewater RiverRiver
- Drylick RunRiver
- Dry Riffle RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Dry RunRiver
- Duck CreekRiver
- Duck CreekRiver
- Duck CreekRiver
- Duck CreekRiver
- Duck CreekRiver
- Duck CreekRiver
- Duck CreekRiver
- Duck PondLake
- Duck RunRiver
- Duck RunRiver
- Duck RunRiver
- Dudley RunRiver
- Duffs ForkRiver
- Dugan RunRiver
- Dugans RunRiver
- Dug RunRiver
- Dukes RunRiver
- Duncan Hollow CreekRiver
- Duncan RunRiver
- Duncan RunRiver
- Duncan RunRiver
- Dundee CreekRiver
- Dunglen Mine ImpoundmentReservoir
- Dunkle CreekRiver
- Dunkle RunRiver
- Dunlap CreekRiver
- Dunlap CreekRiver
- Dunlap CreekRiver
- Dunlap LakeReservoir
- Dunlap Pond Number OneReservoir
- Dunlap Pond Number ThreeReservoir
- Dunlap Pond Number TwoReservoir
- Dunlap RunRiver
- Dunn Eden LakeLake
- Dunns PondReservoir
- Dun RunRiver
- Durbin RunRiver
- Dush PondReservoir
- Dutch CreekRiver
- Dutch CreekRiver
- Dutch ForkRiver
- Dutch RunRiver
- Dutch RunRiver
- Dutch RunRiver
- Dyes ForkRiver
- Eagle CreekRiver
- Eagle CreekRiver
- Eagle CreekRiverlive gauge
- Eagle CreekRiver
- Eagle CreekRiver
- Eagle CreekRiverlive gauge
- Eagle RunRiver
- Eagon RunRiver
- East BranchRiver
- East BranchRiver
- East BranchRiver
- East Branch Ashtabula RiverRiver
- East Branch Big CreekRiverlive gauge
- East Branch Black RiverRiverlive gauge
- East Branch Buck RunRiver
- East Branch Bullskin CreekRiver
- East Branch Chagrin RiverRiverlive gauge
- East Branch Chagrin RiverRiver
- East Branch Crab CreekRiver
- East Branch Cuyahoga RiverRiver
- East Branch East Branch Wolf CreekRiver
- East Branch Huron RiverRiver
- East Branch Jelloway CreekRiver
- East Branch Kokosing RiverRiver
- East Branch Little Hocking RiverRiver
- East Branch Little Walnut CreekRiver
- East Branch Lost CreekRiver
- East Branch McCullough CreekRiver
- East Branch Middle Fork Little Beaver CreekRiver
- East Branch Nimishillen CreekRiverlive gauge
- East Branch of Euclid CreekRiverlive gauge
- East Branch Pine RunRiver
- East Branch Portage RiverRiver
- East Branch Raccoon CreekRiver
- East Branch ReservoirReservoir
- East Branch Rock CreekRiverlive gauge
- East Branch Rocky ForkRiver
- East Branch Rocky RiverRiverlive gauge
- East Branch Saint Joseph RiverRiver
- East Branch Shade RiverRiver
- East Branch South Branch Portage RiverRiver
- East Branch South Fork Sugar CreekRiver
- East Branch Sunday CreekRiver
- East Branch Thomas ForkRiver
- East Branch Vermilion RiverRiver
- East Branch Whetstone CreekRiver
- East Branch Wolf CreekRiver
- East CreekRiver
- East CreekRiver
- Eastern Ohio Research Development Center PondReservoir
- Easter RunRiver
- East Fork Black RiverRiver
- East Fork Buck CreekRiver
- East Fork Buck Creek Structure 3a ReservoirReservoir
- East Fork Buck Creek Structure Number Four ReservoirReservoir
- East Fork Buck Creek Structure Number One ReservoirReservoir
- East Fork Chickasaw CreekRiver
- East Fork Donnels CreekRiver
- East Fork Duck CreekRiverlive gauge
- East Fork Eagle CreekRiver
- East Fork Fivemile CreekRiver
- East Fork Four Mile CreekRiver
- East Fork Honey CreekRiver
- East Fork Little Miami RiverRiverlive gauge
- East Fork Mill CreekRiverlive gauge
- East Fork Paint CreekRiver
- East Fork Pike RunRiver
- East Fork Piney ForkRiver
- East Fork Pond RunRiver
- East Fork Queer CreekRiver
- East Fork Rattlesnake CreekRiver
- East Fork Stateline CreekRiver
- East Fork Todd ForkRiver
- East Fork Upper Twin CreekRiver
- East Fork Vermilion RiverRiver
- East Fork Walnut RunRiver
- East Fork White Eyes CreekRiver
- East Fork White Oak CreekRiver
- East Fourmile CreekRiver
- East LakeLake
- East Liberty LakeReservoir
- East Painter CreekRiver
- East ReservoirReservoir
- East Turtle CreekRiver
- East Turtle CreekRiver
- Eastview LakeLake
- Eberharts RunRiver
- Echo Hills Lake Number OneReservoir
- Echo LakeLake
- Eddington RunRiver
- Eds LakeLake
- Edson CreekRiver
- Eds PondReservoir
- Edward Smith LakeReservoir
- Edwin Naus LakeReservoir
- Eels RunRiver
- Eighteen RunRiver
- Eightmile CreekRiver
- Eightmile CreekRiver
- Eightmile CreekRiver
- Elder CreekRiver
- Elephant RunRiver
- Elk CreekRiver
- Elk CreekRiver
- Elk Creek LakeReservoir
- Elk ForkRiver
- Elk ForkRiver
- Elk ForkRiver
- Elk ForkRiver
- Elkhorn CreekRiver
- Elkins CreekRiver
- Elk LakeReservoir
- Elk LickRiver
- Elk RunRiver
- Elk RunRiver
- Elk RunRiver
- Elk RunRiver
- Elk RunRiver
- Elk RunRiver
- Elk RunRiver
- Elk RunRiver
- Elk RunRiver
- Elks Country Club LakeReservoir
- Elliman RunRiver
- Elliot RunRiver
- Elliott RunRiver
- Elliott RunRiver
- Ellis LakeReservoir
- Ellison CreekRiver
- Ellison RunRiver
- Ellisonville CreekRiver
- Ellis RunRiver
- Ellis RunRiver
- Ellis RunRiver
- Ellis RunRiver
- Elm RunRiver
- Elm RunRiver
- Emerald LakeLake
- Emerson CreekRiver
- Emleys RunRiver
- Emmons LakeLake
- Englewood Recreation ReservoirReservoir
- Englewood ReservoirReservoirlive gauge
- Enoch CreekRiver
- Eppley PondReservoir
- Equality RunRiver
- Erie LagoonLake
- Ertel RunRiver
- Ervin RunRiver
- Euclid CreekRiverlive gauge
- Eureka LakeLake
- Evans CreekRiver
- Evans LakeReservoir
- Evans LakeReservoir
- Evans RunRiver
- Evans RunRiver
- Evergreen LakeReservoir
- Eversole RunRiver
- Ewing RunRiver
- Ewing RunRiver
- Factory BranchRiver
- Factory CreekRiver
- Factory PondLake
- Fagin RunRiver
- Fairacres LakeReservoir
- Fairmount ReservoirReservoir
- Fall CreekRiver
- Fallen Timber CreekRiverlive gauge
- Fallen Timber CreekRiver
- Fallerius PondReservoir
- Falling BranchRiver
- Fall RunRiver
- Fall RunRiver
- Falls CreekRiver
- Falls CreekRiver
- Fanni Tellis CreekRiver
- Fantasy LakeLake
- Farmers RunRiver
- Farmerstown LakeLake
- Farm LakeReservoir
- Fay LakeReservoir
- Federal CreekRiver
- Federal CreekRiver
- Feeder Race RiverRiverlive gauge
- Fell LakeLake
- Ferguson ReservoirReservoir
- Ferguson RunRiver
- Ferguson RunRiver
- Fern LakeLake
- Ferris RunRiver
- Fetters RunRiver
- Fewless CreekRiver
- Fields BrookRiver
- Fifteenmile CreekRiver
- Fifth Avenue Low Head ReservoirReservoir
- Findlay ReservoirReservoirlive gauge
- Findlay Upground Reservoir Number TwoReservoir
- Findley LakeReservoir
- Firelands Boy Scout LakeReservoir
- Fire RunRiver
- Firestone ReservoirReservoir
- First CreekRiver
- First Price PondLake
- Fischers PondLake
- Fish CreekRiver
- Fish CreekRiver
- Fish CreekRiver
- Fisher RunRiver
- Fishing CreekRiver
- Fishing Gut CreekRiver
- Fivemile CreekRiver
- Fivemile CreekRiver
- Fivemile CreekRiver
- Fivemile CreekRiver
- Fivemile CreekRiver
- Fivemile CreekRiver
- Fivemile RunRiver
- Fivemile RunRiver
- Flacks PondLake
- Flagdale LakeLake
- Flag RunRiver
- Flag RunRiver
- Flag RunRiver
- Flag RunRiver
- Flat BranchRiver
- Flat BranchRiver
- Flat BranchRiver
- Flat BranchRiver
- Flat ForkRiver
- Flat ForkRiver
- Flatfork RunRiver
- Flatlick RunRiver
- Flatrock CreekRiver
- Flat RunRiver
- Flat RunRiver
- Flat RunRiver
- Flat RunRiver
- Flat RunRiver
- Flat RunRiver
- Flat RunRiver
- Flat RunRiver
- Flat RunRiver
- Flat RunRiver
- Flehers RunRiver
- Flint RunRiver
- Flint RunRiver
- Flint RunRiver
- Ford CreekRiver
- Forest Hill LakeReservoir
- Forest Hill Park Reservoir Number TwoReservoir
- Forest LakeReservoir
- Forest RunRiver
- Fork CreekRiver
- Forked RunRiver
- Forked RunRiver
- Forked Run LakeReservoir
- Fort CreekRiver
- Forty Acre PondReservoir
- Foster LakeReservoir
- Foster PondLake
- Fostoria ReservoirReservoir
- Fourmile CreekRiver
- Fourmile CreekRiver
- Fourmile CreekRiver
- Fourmile CreekRiver
- Fourmile CreekRiver
- Fourmile CreekRiver
- Fourmile CreekRiver
- Four Mile CreekRiver
- Fourmile LakeReservoir
- Fourmile RunRiver
- Fourmile RunRiver
- Fourmile RunRiver
- Fourmile RunRiver
- Four Winds LakeLake
- Fox BranchRiver
- Fox CreekRiver
- Fox CreekRiver
- Fox LakeLake
- Fox LakeReservoir
- Fox RunRiver
- Fox RunRiver
- Fox RunRiver
- Fox RunRiver
- Foxs PondLake
- Frame LakeReservoir
- France LakeReservoir
- France LakeReservoir
- Frankenburg CreekRiver
- Franklin BranchRiver
- Franz PondLake
- Frazier RunRiver
- Frederick CreekRiver
- Fred LakeReservoir
- Freedom CreekRiver
- Fremont ReservoirReservoir
- French CreekRiver
- French RunRiver
- Freshwater ReservoirReservoir
- Friday CreekRiver
- Frieden RunRiver
- Friends CreekRiver
- Friendship Park LakeReservoir
- Frink RunRiver
- Frisinger DitchRiver
- Frocks RunRiver
- Frog RunRiver
- Frog RunRiver
- Frost RunRiver
- Frybergers RunRiver
- Fry PondReservoir
- Frys CreekRiver
- Fudger LakeLake
- Fuller CreekRiver
- Fullers RunRiver
- Fulton CreekRiver
- Fulton PondLake
- Furnace RunRiver
- Furnace Run SouthRiver
- Gabe RunRiver
- Gale RunRiver
- Galicki PondReservoir
- Gallahan PondReservoir
- Ganderhook CreekRiver
- Gander RunRiver
- Gander RunRiver
- Gantz CreekRiver
- Garber RunRiver
- Garbry CreekRiver
- Garden CreekRiver
- Gardner PondReservoir
- Gardner RunRiver
- Garland CreekRiver
- Garrett CreekRiver
- Garwood RunRiver
- Gault CreekRiver
- Gavin Bottom Ash PondReservoir
- Gavin Fly Ash ImpoundmentReservoir
- Gay RunRiver
- Geauga LakeLake
- Geneva Low Head ReservoirReservoir
- Geneva ReservoirReservoir
- George CreekRiver
- George CreekRiver
- Georges CreekRiver
- Georges CreekRiver
- Georges ForkRiver
- Georges RunRiver
- Georges RunRiver
- Georges RunRiver
- Georges RunRiver
- Georges RunRiver
- Georgetown Plant Lower Supply PondReservoir
- Georgetown Plant Upper Supply PondReservoir
- Georgetown Prep Plant Freshwater LakeReservoir
- Georgetown Upground ReservoirReservoir
- Georgetown Upper Dam Number One PondReservoir
- Georgetown Upper Dam Number Two PondReservoir
- Geottl PondReservoir
- German ForkRiver
- Germantown ReservoirReservoirlive gauge
- Gervais RunRiver
- Gibboney CreekRiver
- Gibson CreekRiver
- Gier PondReservoir
- Gilbert RunRiver
- Gillums LakeLake
- Gilmore RunRiver
- Gilpen RunRiver
- Gina LakeReservoir
- Ginat CreekRiver
- Girard CreekRiver
- Girard Valley Park LakeReservoir
- Glade RunRiver
- Glade RunRiver
- Glade RunRiver
- Glade RunRiver
- Glade RunRiver
- Glady CreekRiver
- Glady CreekRiver
- Glady RunRiver
- Glady RunRiver
- Glady RunRiver
- Glass PondReservoir
- Gleasonkamp PondReservoir
- Glen Echo RunRiver
- Glenn RunRiver
- Glenns RunRiver
- Glen RunRiver
- Glen Willow LakeReservoir
- Goat RunRiver
- Godward RunRiver
- Goettge RunRiver
- Golden Bear ReservoirReservoir
- Goldman PondReservoir
- Goodfellows Park LakeReservoir
- Goodyear CreekRiver
- Goose CreekRiver
- Goose CreekRiver
- Goose CreekRiverlive gauge
- Goose CreekRiver
- Goose CreekRiver
- Goose CreekRiver
- Goose CreekRiver
- Goose CreekRiver
- Goose CreekRiver
- Goose CreekRiver
- Goose PondLake
- Goose Pond (historical)Lake
- Goose RunRiver
- Goose RunRiver
- Goose RunRiver
- Goose RunRiver
- Goose RunRiver
- Goose RunRiver
- Goose RunRiver
- Gordon CreekRiver
- Gordon RunRiver
- Goshen CreekRiver
- Goshen RunRiver
- Goss ForkRiver
- Go-Tag-Along LakeReservoir
- Gould PondReservoir
- Grace RunRiver
- Grafton ReservoirReservoir
- Grand LakeReservoir
- Grand RiverRiverlive gauge
- Grandview RunRiver
- Granger LakeReservoir
- Granny BourRiver
- Granny BranchRiver
- Granny CreekRiver
- Granny RunRiver
- Grannys RunRiver
- Grant LakeReservoir
- Grant RunRiver
- Grape LakeLake
- Grapevine CreekRiver
- Grass CreekRiver
- Grass Lick RunRiver
- Grass RunRiver
- Grass RunRiver
- Grass RunRiver
- Grass RunRiver
- Grass RunRiver
- Grassy BranchRiver
- Grassy CreekRiver
- Grassy CreekRiver
- Grassy CreekRiver
- Grassy ForkRiver
- Grassy ForkRiver
- Grassy ForkRiver
- Grassy ForkRiver
- Grassy PondLake
- Grassy RunRiver
- Grassy RunRiver
- Grassy RunRiver
- Grave CreekRiver
- Gravel CreekRiver
- Gravel RunRiver
- Grave RunRiver
- Graves CreekRiver
- Graveyard RunRiver
- Gray BranchRiver
- Gray Eye RunRiver
- Gray PondReservoir
- Grays RunRiver
- Grays RunRiver
- Greasy RunRiver
- Greasy RunRiver
- Greasy RunRiver
- Great Miami RiverRiverlive gauge
- Great Trails Girl Scouts PondReservoir
- Green BayouRiver
- Greenbriar LakeReservoir
- Greenbrier CreekRiverlive gauge
- Greenbush CreekRiver
- Green CreekRiver
- Greene Company Fish and Game Association ReservoirReservoir
- Greenfield CreekRiver
- Greenfield LakeReservoir
- Green LakeReservoir
- Green LakeReservoir
- Green LakeReservoir
- Greenlawn Avenue Low Head ReservoirReservoir
- Green RunRiver
- Greens RunRiver
- Greenville CreekRiverlive gauge
- Greenwich ReservoirReservoir
- Greenwich ReservoirReservoir
- Greenwood LakeReservoir
- Gregg RunRiver
- Gregory CreekRiver
- Greig PondReservoir
- Greisin PondReservoir
- Gressard LakeReservoir
- Griffin RunRiver
- Griffy RunRiver
- Griggs CreekRiver
- Griggs ReservoirReservoirlive gauge
- Griswold CreekRiver
- Griswold CreekRiver
- Grog RunRiver
- Grog RunRiver
- Gross LakeReservoir
- Groundhog CreekRiver
- Grove City CreekRiver
- Grove RunRiver
- Grub RunRiver
- Guest RunRiver
- Guffey LakeReservoir
- Guilford LakeReservoir
- Gum RunRiver
- Gungeon Hollow RunRiver
- Guthrie CreekRiver
- Guyan RunRiver
- Guyst ForkRiver
- Hagerman CreekRiver
- Hagley CreekRiver
- Haines Branch Buffalo CreekRiver
- Hale RunRiver
- Hale RunRiver
- Hales CreekRiver
- Halfway CreekRiver
- Halfway RunRiver
- Halley PondReservoir
- Hall ForkRiver
- Hall RunRiver
- Halls CreekRiver
- Halls LakeReservoir
- Hamley RunRiver
- Hammer CreekRiver
- Hammertown LakeReservoir
- Hancock PondLake
- Handley BranchRiver
- Hankins RunRiver
- Hannah Pond (historical)Lake
- Hannah RunRiver
- Happy Times Farm PondReservoir
- Harban CreekRiver
- Harber Fork Turkey CreekRiver
- Hardin CreekRiver
- Hardin CreekRiver
- Harding Area Council BSA ReservoirReservoir
- Hardy RunRiver
- Haren RunRiver
- Hargus CreekRiver
- Hargus LakeReservoir
- Harkers RunRiver
- Harlans RunRiver
- Harman RunRiver
- Harmon BrookRiver
- Harmon CreekRiver
- Harmon RunRiver
- Harmony LakeReservoir
- Harper PondReservoir
- Harper PondReservoir
- Harper RunRiver
- Harpers RunRiver
- Harrah RunRiver
- Harris CreekRiver
- Harrison CreekRiverlive gauge
- Harrison Furnace CreekRiver
- Harrison LakeReservoir
- Harris Pond DamReservoir
- Harrod RunRiver
- Harte RunRiver
- Hart PondReservoir
- Haskell Pond (historical)Lake
- Haskell RunRiver
- Haskin LakeReservoir
- Hatchers RunRiver
- Hatch Fork Big RunRiver
- Haught RunRiver
- Hauncks PondLake
- Havely RunRiver
- Hawe ForkRiver
- Hawkins LakeLake
- Hawkins RunRiver
- Hawleys RunRiver
- Hawthorne CreekRiver
- Hayden RunRiver
- Hayes LakeReservoir
- Hay Hollow ReservoirReservoir
- Hay RunRiver
- Hay RunRiver
- Hays LakeReservoir
- Hayward RunRiver
- Hazel RunRiver
- Heads BranchRiver
- Healey CreekRiver
- Heart of Ohio Fish and Game Association ReservoirReservoir
- Heath PondLake
- Hebble CreekRiver
- Hecla Branch Storms CreekRiver
- Hedgehog CreekRiver
- Hefling RunRiver
- Heisley CreekRiver
- Helber RunRiver
- Hellbranch RunRiverlive gauge
- Henderson RunRiver
- Hendricksons RunRiver
- Hen RunRiver
- Henry CreekRiver
- Heritage LakeReservoir
- Heritage LakeReservoir
- Herrod CreekRiver
- Herrold RunRiver
- Herr PondReservoir
- Hewett ForkRiver
- Hewitt RunRiver
- Hibbs RunRiver
- Hickman RunRiver
- Hickory BranchRiver
- Hickory CreekRiver
- Hickory Hills LakeReservoir
- Hickory Hollow LakeReservoir
- Hickory LakeReservoir
- Hickson RunRiver
- Hidden Haven LakeReservoir
- Hidden Hill LakeReservoir
- Hidden LakeLake
- Hidden LakeReservoir
- Hidden LakesReservoir
- Hidden Valley LakeReservoir
- Higgins RunRiver
- Highland Greens Apartments LakeReservoir
- Highlandtown ReservoirReservoir
- Highlandtown Wildlife Area PondReservoir
- Hildebrand RunRiver
- Hildebrand RunRiver
- Hill LakesLake
- Hill PondReservoir
- Hillsboro ReservoirReservoir
- Hills ForkRiver
- Hills PondReservoir
- Hilltop LakesLake
- Hinckley LakeReservoir
- Hines RunRiver
- Hinkley CreekRiver
- Hitchcock RunRiver
- Hitler PondLake
- Hoagland RunRiver
- Hoaglin CreekRiver
- Hoar PondReservoir
- Hockenberry HollowRiver
- Hocking Hills ReservoirReservoir
- Hocking RiverRiver
- Hoffman RunRiver
- Hoff RunRiver
- Hoff RunRiver
- Hogback PondReservoir
- Hogback RunRiver
- Hog CreekRiver
- Hog CreekRiver
- Hog RunRiver
- Hog RunRiver
- Hog RunRiver
- Hog RunRiver
- Hog RunRiver
- Hog RunRiver
- Hog RunRiver
- Hog RunRiver
- Holes CreekRiverlive gauge
- Holiday Camplands LakeReservoir
- Holiday LakeReservoir
- Holiday LakeReservoir
- Holland ForkRiver
- Holliday RunRiver
- Hollow LakesLake
- Hollow Rock RunRiver
- Holmes BrookRiver
- Holmes RunRiver
- Homans BranchRiver
- Hominy CreekRiver
- Honey CreekRiver
- Honey CreekRiver
- Honey CreekRiver
- Honey CreekRiver
- Honey CreekRiver
- Honey CreekRiver
- Honey CreekRiver
- Honey CreekRiver
- Honey ForkRiver
- Honey RunRiver
- Honey RunRiver
- Honey RunRiver
- Honey RunRiver
- Honey RunRiver
- Honey RunRiver
- Honey RunRiver
- Hooks RunRiver
- Hoover ReservoirReservoirlive gauge
- Hoovers RunRiver
- Hopsons CreekRiver
- Horner Branch Upper Twin CreekRiver
- Horner RunRiver
- Horse Cave CreekRiver
- Horse CreekRiver
- Horse CreekRiver
- Horse RunRiver
- Horse RunRiver
- Horse RunRiver
- Horseshoe RunRiver
- Horsetail RunRiver
- Hoskins CreekRiver
- Hosterman LakeReservoir
- Hourglass PondLake
- Houston Upground ReservoirReservoir
- Howard CreekRiver
- Howard RunRiver
- Howard RunRiver
- Howard RunRiver
- Howard RunRiver
- Howards RunRiver
- Hower LakeLake
- Hubbard CreekRiver
- Hubbard RunRiver
- Huckleberry SwampLake
- Hudson RunRiver
- Hudson Springs LakeLake
- Hudsons RunRiver
- Huffman CreekRiver
- Huffman ReservoirReservoir
- Huffman ReservoirReservoir
- Huff RunRiver
- Huff RunRiver
- Hugle RunRiver
- Hulls CreekRiver
- Hump RunRiver
- Hunter CreekRiver
- Hunters RunRiver
- Hunters Run Conservation District Structure ReservoirReservoir
- Hunters Run Conservation District Structure ReservoirReservoir
- Hunters Run Conservation District Structure ReservoirReservoir
- Hunters Run Conservation District Structure ReservoirReservoir
- Hunters Run Conservation District Structure ReservoirReservoir
- Hunters Run Conservation District Structure ReservoirReservoir
- Hunters Run Conservation District Structure ReservoirReservoir
- Hunters Run Conservation District Structure ReservoirReservoir
- Hunters Run Conservation District Structure ReservoirReservoir
- Huntingcamp CreekRiver
- Hunting RunRiver
- Hunts CreekRiver
- Hurford RunRiver
- Huron LagoonLake
- Huron RiverRiver
- Hussey CreekRiver
- Hussey RunRiver
- Huston CreekRiver
- Hutchinsons RunRiver
- Hutchins Station ReservoirReservoir
- Hutchison RunRiver
- Hyde ForkRiver
- Hygean RunRiver
- Hypocrite RunRiver
- Hysell RunRiver
- Ice CreekRiver
- Idle BrookRiver
- Igl PondReservoir
- Independence ReservoirReservoir
- Indiancamp CreekRiver
- Indiancamp CreekRiver
- Indiancamp RunRiver
- Indian Camp RunRiver
- Indian Camp RunRiver
- Indian Camp RunRiver
- Indian Canoe LakeReservoir
- Indian CreekRiver
- Indian CreekRiver
- Indian CreekRiverlive gauge
- Indian CreekRiverlive gauge
- Indian CreekRiver
- Indian CreekRiver
- Indian CreekRiver
- Indian CreekRiver
- Indian CreekRiver
- Indian CreekRiver
- Indian CreekRiver
- Indian CreekRiver
- Indian CreekRiver
- Indian CreekRiver
- Indian CreekRiver
- Indian CreekRiver
- Indian CreekRiverlive gauge
- Indianfield RunRiver
- Indian ForkRiverlive gauge
- Indian Guyan CreekRiver
- Indian LakeReservoir
- Indian Lakes Recreation Area Lower LakeReservoir
- Indian Lakes Recreation Area Upper LakeReservoir
- Indian LickRiver
- Indian RunRiver
- Indian RunRiver
- Indian RunRiver
- Indian RunRiver
- Indian RunRiver
- Indian RunRiver
- Indian RunRiver
- Indian RunRiver
- Indian RunRiver
- Indian RunRiver
- Indian RunRiver
- Indian RunRiver
- Indian RunRiver
- Indian RunRiver
- Indian RunRiver
- Indian Trail CreekRiver
- Indigo CreekRiver
- Indigo LakeLake
- Industrial Mining LakeReservoir
- Infirmary RunRiver
- Ira CreekRiver
- Ireland CreekRiver
- Irish CreekRiver
- Irish RunRiver
- Irish RunRiver
- Iron CreekRiver
- Irons RunRiver
- Isaacs CreekRiver
- Isaacs RunRiver
- Island CreekRiver
- Island CreekRiver
- Island CreekRiver
- Island Fishing LakesReservoir
- Island Park ReservoirReservoir
- Island PondReservoir
- Island RunRiver
- Islington RunRiver
- Izaak Walton LakeReservoir
- Jacko RunRiver
- Jack RunRiver
- Jackson Center CreekRiver
- Jackson CreekRiver
- Jackson ForkRiver
- Jackson Furnace CreekRiver
- Jackson LakeLake
- Jackson LakeReservoir
- Jackson LakeReservoir
- Jackson LakeReservoir
- Jackson RunRiver
- Jackson RunRiver
- Jackson RunRiver
- Jackson RunRiver
- Jacks RunRiver
- Jacobs LakeReservoir
- Jacoby BranchRiver
- Jacquays RunRiver
- Jake RunRiver
- Jakes RunRiver
- Jamison CreekRiver
- Jamisons RunRiver
- Jaquay LakeReservoir
- Jaybird BranchRiver
- Jeans LakeReservoir
- Jeddo RunRiver
- Jeffco LakeReservoir
- Jeffco PondReservoir
- Jeffco Pond Number Twenty-OneReservoir
- Jefferson CreekRiver
- Jefferson LakeReservoir
- Jefferson Sportsmens Lake Number OneReservoir
- Jefferson Sportsmens Lake Number ThreeReservoir
- Jefferson Sportsmens Lake Number TwoReservoir
- Jelloway CreekRiver
- Jenks CreekRiver
- Jennie Watts RunRiver
- Jennings CreekRiver
- Jeremy RunRiver
- Jerome ForkRiver
- Jerrys PondReservoir
- Jessie CreekRiver
- Jessie CreekRiver
- Jessie RunRiver
- Jethroe RunRiver
- Jims CreekRiver
- Jims RunRiver
- Jims RunRiver
- Jisco LakeReservoir
- Job RunRiver
- Jockey Hollow RunRiver
- Jocqueway CreekRiver
- Joes CreekRiver
- Joes RunRiver
- Joes RunRiver
- Joeys RunRiver
- Johnny Woods RiverRiver
- Johns CreekRiver
- Johns CreekRiver
- Johnson ForkRiver
- Johnson RunRiver
- Johnson RunRiver
- Johnson RunRiver
- Johnson RunRiver
- Johnson RunRiver
- Johnson RunRiver
- Johns RunRiver
- Jollys RunRiver
- Jonahs RunRiver
- Jonathan CreekRiver
- Jones LakeReservoir
- Jones RunRiver
- Jordan CreekRiver
- Jordan CreekRiver
- Jordan CreekRiver
- Jordan RunRiver
- Jordan RunRiver
- Joy ForkRiver
- Joy RunRiver
- Judges LakeReservoir
- Jug RunRiver
- Jug RunRiver
- Jug RunRiver
- Jug RunRiver
- Jumping RunRiver
- Kain RunRiver
- Kale CreekRiver
- Karr LakeReservoir
- Karr RunRiver
- Kasler CreekRiver
- Kates LakeLake
- Katotawa CreekRiver
- Kebler RunRiver
- Keeton RunRiver
- Keever CreekRiver
- Keith ForkRiver
- Kellers RunRiver
- Kelley BranchRiver
- Kellogg CreekRiver
- Kelsey BrookRiver
- Kenan PondLake
- Kendall LakeReservoir
- Kenridge LakeLake
- Kenston LakeReservoir
- Kenton CreekRiver
- Kenton LakeReservoir
- Kent RunRiver
- Kent RunRiver
- Kentucky Street Reservoir (historical)Reservoir
- Kerr RunRiver
- Kerr RunRiver
- Kerr RunRiver
- Kesselring RunRiver
- Kessler RunRiver
- Kettenring Hills LakeReservoir
- Kettle RunRiver
- Kettle RunRiver
- Keyhole RunRiver
- Kian RunRiver
- Kiata CreekRiver
- Kiber RunRiver
- Kickapoo CreekRiver
- Kilbarger PondReservoir
- Kilgore LakeLake
- Killbuck CreekRiver
- Killdeer Upground ReservoirReservoir
- Killdeer Wildlife Pond Number OneReservoir
- Killdeer Wildlife Pond Number ThreeReservoir
- Killdeer Wildlife Pond Number TwoReservoir
- Killwell RunRiver
- Kimble CreekRiver
- Kincaid CreekRiver
- King RunRiver
- Kingsbury CreekRiver
- Kingsbury RunRiver
- Kingsbury RunRiver
- Kings CreekRiver
- Kings LakeReservoir
- Kings RunRiver
- Kinnikinnick CreekRiver
- Kinsman LakeReservoirlive gauge
- Kinsman ReservoirReservoir
- Kipton ReservoirReservoir
- Kirby LakeReservoir
- Kirby RunRiver
- Kirila PondReservoir
- Kiser LakeReservoir
- Kiser RunRiver
- Kitchen RunRiver
- Kitten RunRiver
- Kittredge PondReservoir
- Kitty CreekRiver
- Kiwanis LakeLake
- Kizzie RunRiver
- Kleinienst LakeReservoir
- Knechtly PondReservoir
- Knoles PondReservoir
- Knoll BrookRiver
- Knox LakeReservoir
- Kohart LakeReservoir
- Kohl LakeReservoir
- Kokosing RiverRiver
- Kool LakeLake
- Kopp CreekRiver
- Kornvolt Farms PondReservoir
- Kramer RunRiver
- Kraut CreekRiver
- Kunkers RunRiver
- Kyger CreekRiver
- Kyger RunRiver
- Kyle Prairie CreekRiver
- La Boiteaux PondReservoir
- Lacarpe CreekRiver
- Lacourse PondReservoir
- Ladd LakeLake
- Lafferty RunRiver
- Lahmers LakeReservoir
- Lake AReservoir
- Lake AbramLake
- Lake AllynLake
- Lake AlmaReservoir
- Lake AmandaReservoir
- Lake AndreadisLake
- Lake AnnReservoir
- Lake AnnaLake
- Lake AquillaLake
- Lake BeaumontReservoir
- Lake BetsyLake
- Lake BrendaReservoir
- Lake BrollierReservoir
- Lake BrunswickReservoir
- Lake BuckhornReservoir
- Lake CableReservoir
- Lake CardinalReservoir
- Lake Cast-A-Line (historical)Reservoir
- Lake ChateauReservoir
- Lake Cha-VelReservoir
- Lake ChawaukeeLake
- Lake ChetacLake
- Lake CohassetReservoir
- Lake CopelandReservoir
- Lake DaughertyReservoir
- Lake DorothyReservoir
- Lake Eagle ClawReservoir
- Lake EdwardsReservoir
- Lake EldoradoReservoir
- Lake ElissaReservoir
- Lake EllensmereLake
- Lake ErieLake
- Lake Erie Girl Scout LakeReservoir
- Lake EssingtonReservoir
- Lake EstabrookLake
- Lake EvergreenReservoir
- Lake FichtelbergReservoir
- Lake ForestLake
- Lake ForestReservoir
- Lake ForestReservoir
- Lake ForestReservoir
- Lake ForestLake
- Lake Fork Licking RiverRiverlive gauge
- Lake Fork Mohican RiverRiver
- Lake FrasureReservoir
- Lake GalionLake
- Lake GeorgeReservoir
- Lake GeorgeLake
- Lake GeorgeLake
- Lake GlacierLake
- Lake GlenReservoir
- Lake GloriaLake
- Lake GreenbriarReservoir
- Lake HamiltonReservoir
- Lake Haven Estates ReservoirReservoir
- Lake HiawathaReservoir
- Lake HillReservoir
- Lake HodgsonLake
- Lake HopeReservoir
- Lake HudsonLake
- Lake IdlewildReservoir
- Lake IsaacLake
- Lake IsabelLake
- Lake IsabellaLake
- Lake KatharineReservoir
- Lake KelsoLake
- Lake Kennedy (historical)Lake
- Lake LakengrenReservoir
- Lake LamberjackReservoir
- Lake La Su AnLake
- Lake La VereReservoir
- Lake LilaReservoir
- Lake LitchfieldReservoir
- Lake LoganReservoir
- Lake LoramieReservoir
- Lake LoreleiReservoir
- Lake LouiseReservoir
- Lake LouiseReservoir
- Lake LucernReservoir
- Lake LucerneReservoir
- Lake MacacheeLake
- Lake MargaretReservoir
- Lake MariaReservoir
- Lake MarinoleReservoir
- Lake MarwinLake
- Lake MedinaReservoir
- Lake MiltonReservoir
- Lake MohawkReservoir
- Lake MontereyReservoir
- Lake MosierReservoir
- Lake MottramReservoir
- Lake NesmithLake
- Lake NewportReservoir
- Lake NoahLake
- Lake of Four SeasonsReservoir
- Lake of the WoodsReservoir
- Lake O'PinesLake
- Lake O'SpringsReservoir
- Lake O' the WoodsLake
- Lake OttoReservoir
- Lake PageLake
- Lake PalmyraReservoir
- Lake ParkLake
- Lake PenielReservoir
- Lake PippenLake
- Lake PlacentiaReservoir
- Lake PlacidReservoir
- Lake PlataLake
- Lake P'naReservoir
- Lake Roaming RockReservoir
- Lake RockwellReservoir
- Lake RomonaReservoir
- Lake RunRiver
- Lake RupertReservoir
- Lake Saint JosephLake
- Lake SamaryReservoir
- Lake SawyerLake
- Lake SenecaReservoir
- Lake ShawneeReservoir
- Lake ShermanLake
- Lakeside Motel PondReservoir
- Lake SlagleLake
- Lake SnowdenReservoir
- Lake StromanReservoir
- Lake SueReservoir
- Lake SylvanReservoir
- Lake TaylorLake
- Lake TomahawkReservoir
- Lake TomahawkReservoir
- Lake TomahawkReservoir
- Lake ValhallaReservoir
- Lake VesuviusReservoir
- Lake VieringReservoir
- Lake View Cemetery Flood Control ReservoirReservoir
- Lake WapusunReservoir
- Lake WaynokaReservoir
- Lake Waynoka Upground ReservoirReservoir
- Lake Waynoka Water Supply ReservoirReservoir
- Lake WhiteReservoir
- L'Alouette Plumee LakeReservoir
- Lambert PondReservoir
- Lampblack RunRiver
- Lamping Homestead Picnic Grounds PondReservoir
- Lampson ReservoirReservoir
- Lance LakeReservoir
- Landen Farm LakeReservoir
- Lanes BranchRiver
- Lang CreekRiver
- Langes RunRiver
- Lankamer LakeReservoir
- Larry Peairs Memorial LakeReservoir
- Latta RunRiver
- Laucks RunRiver
- Laurel BranchRiver
- Laurel CreekRiver
- Laurel CreekRiver
- Laurel CreekRiver
- Laurel ForkRiver
- Laurel ForkRiver
- Laurel Lick RunRiver
- Laurel RunRiver
- Laurel RunRiver
- Laurel RunRiver
- Laurel RunRiver
- Laurel RunRiver
- Laurel RunRiver
- Laurel RunRiver
- Laurel RunRiver
- Lawco LakeReservoir
- Lawrence PondReservoir
- Lawrence RunRiver
- Lawson RunRiver
- Laycocks Farm Pond Number OneReservoir
- Laycocks Farm Pond Number TwoReservoir
- Leading CreekRiver
- Lead RunRiver
- Leas BranchRiver
- Leatherwood CreekRiver
- Leatherwood CreekRiver
- Leatherwood CreekRiver
- Leatherwood CreekRiverlive gauge
- Leatherwood CreekRiver
- Lebanon CreekRiver
- Ledge LakeReservoir
- Lee CreekRiver
- Lees CreekRiver
- Lees Creek BranchRiver
- Lees RunRiver
- Leesville LakeReservoir
- Leeth CreekRiver
- Left Fork Bear CreekRiver
- Left Fork Camp CreekRiver
- Left Fork Crooked CreekRiver
- Left Fork Morgan ForkRiver
- Left Prong Rich ForkRiver
- Leidigh Mill CreekRiver
- Leighty LakeReservoir
- Leiper RunRiver
- Leith RunRiver
- Lemen LakeLake
- Lepage RunRiver
- Lepley RunRiver
- Lesley RunRiver
- Leslie RunRiver
- Lesourdsville LakeLake
- Levanna BranchRiver
- Levering RunRiver
- Liberty Park LakeLake
- Liberty RunRiver
- Liberty Valley LakeReservoir
- Lick BranchRiver
- Lick CreekRiver
- Lick CreekRiver
- Lick CreekRiver
- Lick ForkRiver
- Lick ForkRiver
- Lick ForkRiver
- Licking RiverRiver
- Lick Prong RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick RunRiver
- Lick Run Lick RunRiver
- Lickskillet BranchRiver
- Lickskillet RunRiver
- Lideys RunRiver
- Liggett LakeReservoir
- Light CreekRiver
- Light RunRiver
- Lilley LakeReservoir
- Lilley Lake 9341-006Reservoir
- Lily Hill LakeLake
- Lily PondLake
- Lima ReservoirReservoir
- Lime Kiln CreekRiver
- Lime Kiln LakeLake
- Limestone CreekRiver
- Limestone RunRiver
- Limestone RunRiver
- Liming CreekRiver
- Limpert LakeReservoir
- Lindsey CreekRiver
- Line RunRiver
- Linscott RunRiver
- Lisbon ForkRiver
- Liston RunRiver
- Litchford RunRiver
- Litman RunRiver
- Little Apple CreekRiver
- Little Apple CreekRiver
- Little Auglaize RiverRiverlive gauge
- Little Bark CreekRiver
- Little Bear CreekRiver
- Little Bear CreekRiver
- Little Bear CreekRiver
- Little Beaver CreekRiver
- Little Beaver CreekRiver
- Little Beaver CreekRiverlive gauge
- Little Beaver CreekRiver
- Little Beaver CreekRiver
- Little Beaver CreekRiver
- Little Beech CreekRiver
- Little Black CreekRiver
- Little Blackjack BranchRiver
- Little Blue Rock CreekRiver
- Little Bucklick CreekRiver
- Little Buffalo CreekRiver
- Little Buffalo CreekRiver
- Little Bull CreekRiver
- Little Bullskin CreekRiver
- Little Campaign CreekRiver
- Little Captina CreekRiver
- Little Cedar CreekRiver
- Little Chickamauga CreekRiver
- Little Chickasaw CreekRiver
- Little Chippewa CreekRiverlive gauge
- Little Claylick CreekRiver
- Little Claylick RunRiver
- Little Cola CreekRiver
- Little Cold RunRiver
- Little Cranberry CreekRiver
- Little Crane CreekRiver
- Little CreekRiver
- Little CreekRiver
- Little CreekRiver
- Little Cuyahoga RiverRiverlive gauge
- Little Darby CreekRiverlive gauge
- Little Darby CreekRiver
- Little Deer CreekRiver
- Little Double CreekRiver
- Little Duck CreekRiver
- Little Duncan RunRiver
- Little East Fork Ohio Brush CreekRiver
- Little Eightmile CreekRiver
- Little Factory CreekRiver
- Little Flatrock CreekRiverlive gauge
- Little Forked RunRiver
- Little Four Mile CreekRiver
- Little Fourmile RunRiver
- Little Fox LakeLake
- Little Girard CreekRiver
- Little Greens RunRiver
- Little Hocking RiverRiver
- Little Hog CreekRiver
- Little Ice CreekRiver
- Little Indian CreekRiver
- Little Indian CreekRiver
- Little Indian CreekRiver
- Little Indian CreekRiver
- Little Indian CreekRiver
- Little Indian CreekRiver
- Little Indian Guyan CreekRiver
- Little Indian RunRiver
- Little Island CreekRiver
- Little Jelloway CreekRiver
- Little Jordan RunRiver
- Little Killbuck CreekRiverlive gauge
- Little Killbuck CreekRiver
- Little Kyger CreekRiver
- Little LakeLake
- Little Lake in the WoodsReservoir
- Little Leading CreekRiver
- Little Lick CreekRiver
- Little Lost CreekRiver
- Little Maple CreekRiver
- Little McIntyre CreekRiver
- Little McMahon CreekRiver
- Little Miami RiverRiver
- Little Mill CreekRiverlive gauge
- Little Monday CreekRiver
- Little Muchinippi CreekRiver
- Little Muddy CreekRiver
- Little Muddy CreekRiver
- Little Muskingum RiverRiver
- Little Muzzy LakeLake
- Little North Fork White Oak CreekRiver
- Little Olive Green CreekRiver
- Little Ottawa RiverRiverlive gauge
- Little Paddy CreekRiver
- Little Painter CreekRiver
- Little Parker RunRiver
- Little Perigen CreekRiver
- Little Pickerel CreekRiver
- Little Pine CreekRiver
- Little Pine CreekRiver
- Little Piney ForkRiver
- Little Portage RiverRiver
- Little Punderson LakeLake
- Little Raccoon CreekRiver
- Little Raccoon CreekRiver
- Little Riley CreekRiver
- Little Riley CreekRiver
- Little Rock CreekRiver
- Little Rocky BranchRiver
- Little RunRiver
- Little RunRiver
- Little Rush CreekRiver
- Little Rush RunRiver
- Little Salt CreekRiverlive gauge
- Little Salt RunRiver
- Little Sandusky RiverRiver
- Little Sandy CreekRiverlive gauge
- Little Sandy RunRiver
- Little Schenck CreekRiver
- Little Scioto RiverRiver
- Little Scioto RiverRiverlive gauge
- Little Short CreekRiver
- Little Spruce RunRiver
- Littles RunRiver
- Little Stillwater CreekRiverlive gauge
- Little Storms CreekRiver
- Little Sugar CreekRiver
- Little Sugar CreekRiver
- Little Sulphur CreekRiver
- Little Sunfish CreekRiver
- Little Swan CreekRiver
- Little Swan CreekRiver
- Little Threemile CreekRiver
- Little Trail RunRiver
- Little Turkeyfoot CreekRiver
- Little Turkeyfoot CreekRiver
- Little Turtle CreekRiver
- Little Twin CreekRiver
- Little Tymochtee CreekRiverlive gauge
- Little Tymochtee CreekRiver
- Little Wakatomika CreekRiverlive gauge
- Little Walnut CreekRiver
- Little Walnut CreekRiverlive gauge
- Little Walnut CreekRiver
- Little West Branch Little Hocking RiverRiver
- Little West Fork Ohio Brush CreekRiver
- Little White Oak CreekRiver
- Little Wolf CreekRiver
- Little Wrestle CreekRiver
- Little Yankee RunRiver
- Little Yellow CreekRiver
- Little Yellow CreekRiver
- Livezey LakeReservoir
- Lizard RunRiver
- Lobdell CreekRiverlive gauge
- Lockington ReservoirReservoir
- Lockwood RunRiver
- Locust CreekRiver
- Locust LakeReservoir
- Log Pond RunRiver
- Long BranchRiver
- Long BranchRiver
- Long BranchRiver
- Long BranchRiver
- Long BrookRiver
- Long CreekRiver
- Long CreekRiver
- Long ForkRiver
- Long Fork Bear CreekRiver
- Long LakeReservoirlive gauge
- Long Lake ChannelLake
- Long Lick RunRiver
- Long Meadow (historical)Lake
- Long PondReservoir
- Long PondLake
- Long PoolReservoir
- Long Prairie CreekRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Long RunRiver
- Longs Retreat LakeReservoir
- Longs RunRiver
- Longs RunRiver
- Longwell RunRiver
- Loramie CreekRiverlive gauge
- Loretta LakeReservoir
- Loss CreekRiver
- Lost CreekRiver
- Lost CreekRiver
- Lost CreekRiver
- Lost CreekRiver
- Lost CreekRiver
- Lost Creek ReservoirReservoir
- Lost ForkRiver
- Lost RunRiver
- Lost RunRiver
- Lost RunRiver
- Lousy RunRiver
- Love RunRiver
- Loves RunRiver
- Lower Bear LakeReservoir
- Lower Beaverdam RunRiver
- Lower Diehl LakeLake
- Lower Girard LakeReservoir
- Lower Hickory Hills LakeReservoir
- Lower LickRiver
- Lower Mad RunRiver
- Lower ReservoirReservoir
- Lower Reservoir Bottom Ash ImpoundmentReservoir
- Lower Shaker LakeReservoir
- Lower Sister CreekRiver
- Lower Twin CreekRiver
- Lower Twin CreekRiver
- Lower Woodsfield ReservoirReservoir
- Lowery RunRiver
- Lowry RunRiver
- Loyal Oak LakeReservoir
- Loys RunRiver
- Luburgh LakeReservoir
- Luburgh Lake Number ElevenReservoir
- Luburgh Lake Number FiveReservoir
- Luburgh Lake Number TwelveReservoir
- Lucas RunRiver
- Luck RunRiver
- Lucy RunRiver
- Lucys PondReservoir
- Ludlow CreekRiver
- Ludlow CreekRiver
- Luna LakeLake
- Lye CreekRiverlive gauge
- Lyon RunRiver
- Lytle CreekRiver
- Ma-chri-ka-be LakeLake
- Mackenzie RunRiver
- Mackletree TreeRiver
- Mackley RunRiver
- Macochee CreekRiver
- Maddox CreekRiver
- Mader PondReservoir
- Madison LakeReservoir
- Madison RunRiver
- Mad RiverRiverlive gauge
- Mad RunRiver
- Mahoning CreekRiver
- Mahoning Duck Hunters Club PondReservoir
- Malabu LakeReservoir
- Malicki CreekRiver
- Mallet CreekRiver
- Malloons CreekRiver
- Manfull LakeReservoir
- Manlove RunRiver
- Manning RunRiver
- Mannings PondLake
- Mannon RunRiver
- Manns Fork Salt CreekRiver
- Manns RunRiver
- Mans ForkRiver
- Maple CreekRiver
- Maple CreekRiver
- Maple Grove CreekRiver
- Maple Leaf LakeReservoir
- Maple RunRiver
- March RunRiver
- March RunRiver
- Marcus RunRiver
- Mare RunRiver
- Margaret CreekRiver
- Margaret CreekRiver
- Margaret Creek Conservancy District ReservoirReservoir
- Margaret Creek Conservancy District ReservoirReservoir
- Marie DeLarme CreekRiver
- Marietta RunRiver
- Markin ForkRiver
- Markley RunRiver
- Marks LakeReservoir
- Marquette Cement Company ReservoirReservoir
- Marshall CreekRiver
- Marshall LakeReservoir
- Marsh CreekRiver
- Marsh PondReservoir
- Marsh RunRiver
- Marsh RunRiver
- Marsh RunRiver
- Marsh RunRiver
- Marsh RunRiver
- Martin RunRiver
- Martins CreekRiver
- Martins RunRiver
- Martins RunRiver
- Martins RunRiver
- Marva LakesLake
- Marys LakeLake
- Mason RunRiver
- Mason RunRiver
- Massie RunRiver
- Massies CreekRiverlive gauge
- Mathews PondReservoir
- Mathews RunRiver
- Matters PondReservoir
- Matthews CreekRiver
- Maumee RiverRiver
- Mays ForkRiver
- McAtee RunRiver
- McBride LakeReservoir
- McBride RunRiver
- McBride RunRiver
- McCabe CreekRiver
- McCall CreekRiver
- McCall RunRiver
- McCammon CreekRiver
- McClelland RunRiver
- McClintock LakeReservoir
- McClure LakeReservoir
- McComb Upground Reservoir Number OneReservoir
- McComb Upground Reservoir Number TwoReservoir
- McConnel CreekRiver
- McConnel RunRiver
- McCormick RunRiver
- McCortney RunRiver
- McCoy RunRiver
- McCracken RunRiver
- McCullough CreekRiver
- McCullough RunRiver
- McCullough RunRiver
- McDonald CreekRiver
- McDougall BranchRiver
- McDowell CreekRiver
- McElfresh RunRiver
- McFadden RunRiver
- McFarland CreekRiver
- McGill PondReservoir
- McGill RunRiver
- McGuire CreekRiverlive gauge
- McIntire RunRiver
- McIntyre CreekRiver
- McKee BranchRiver
- McKee CreekRiver
- McKee RunRiver
- McKees CreekRiver
- McKelvey LakeReservoir
- McKims RunRiver
- McKinley CreekRiver
- McKinney CreekRiver
- McKinney RunRiver
- McKinnis RunRiver
- McKnight LakeReservoir
- McLain RunRiver
- McLuney CreekRiver
- McMahon CreekRiver
- McMichael CreekRiver
- McMillen LakeLake
- McMonies RunRiver
- McPherson RunRiver
- McQueen RunRiver
- Mead Foremens Club PondReservoir
- Meadow BrookRiver
- Meadowbrook LakeReservoir
- Meadow LakeReservoir
- Meadow LakeLake
- Meadow LakeLake
- Meadow RunRiver
- Meadow RunRiver
- Meander CreekRiver
- Meander Creek ReservoirReservoir
- Medway LakeLake
- Meffords RunRiver
- Megginson CreekRiver
- Meigs CreekRiver
- Meigs CreekRiver
- Meigs Mine Number One Water Supply ReservoirReservoir
- Melco LakeLake
- Memorial ReservoirReservoir
- Memory LakeLake
- Memory Lanes Park LakeReservoir
- Meridian LakeReservoir
- Merritt RunRiver
- Metamora ReservoirReservoir
- Metzger ReservoirReservoir
- Meyers LakeLake
- Miamiview Golf Course Pond Number OneReservoir
- Miamiview Golf Course Pond Number TwoReservoir
- Miami Whitewater Forest LakeReservoir
- Michael J Kirwan ReservoirReservoir
- Michaels RunRiver
- Middle Bailey RunRiver
- Middle BasinReservoir
- Middle Bear LakeReservoir
- Middle BranchRiver
- Middle Branch Bokes CreekRiver
- Middle Branch Bullskin CreekRiver
- Middle Branch East Branch Wolf CreekRiver
- Middle Branch Lost CreekRiver
- Middle Branch Mill CreekRiver
- Middle Branch Nimishillen CreekRiverlive gauge
- Middle Branch Portage RiverRiver
- Middle Branch Sandy CreekRiver
- Middle Branch Shade RiverRiver
- Middle CreekRiver
- Middle CreekRiver
- Middle Fork Duck CreekRiver
- Middle Fork East Fork Whitewater RiverRiver
- Middle Fork Gordon CreekRiver
- Middle Fork Laurel RunRiver
- Middle Fork Lees CreekRiver
- Middle Fork Little Beaver CreekRiver
- Middle Fork Ohio Brush CreekRiver
- Middle Fork Pond RunRiver
- Middle Fork Salt CreekRiver
- Middle Fork Short CreekRiver
- Middle Fork Snow ForkRiver
- Middle Fork Sugar CreekRiver
- Middle Leatherwood CreekRiver
- Middle Paddy CreekRiver
- Middle Reservoir Fly Ash ImpoundmentReservoir
- Middle RunRiver
- Middle RunRiver
- Middle RunRiver
- Middle RunRiver
- Middle RunRiver
- Middletown Park District DamReservoir
- Middletown ReservoirReservoir
- Middletown Sportsmen Club LakeReservoirlive gauge
- Midway LakeLake
- Midway LakeReservoir
- Mid-Western Childrens Home ReservoirReservoir
- Mihalik CreekRiver
- Mikes RunRiver
- Mikes RunRiver
- Mile CreekRiverlive gauge
- Mile RunRiver
- Mile RunRiver
- Mile RunRiver
- Mile RunRiver
- Mile RunRiver
- Military RunRiver
- Mill BranchRiver
- Mill BranchRiver
- Mill CreekRiver
- Mill CreekRiverlive gauge
- Mill CreekRiver
- Mill CreekRiver
- Mill CreekRiverlive gauge
- Mill CreekRiver
- Mill CreekRiver
- Mill CreekRiver
- Mill CreekRiver
- Mill CreekRiver
- Mill CreekRiver
- Mill CreekRiver
- Mill CreekRiver
- Mill CreekRiver
- Mill CreekRiver
- Mill CreekRiver
- Mill CreekRiver
- Mill CreekRiver
- Mill CreekRiver
- Mill CreekRiver
- Miller CreekRiver
- Miller CreekRiver
- Miller CreekRiver
- Miller CreekRiver
- Miller LakeLake
- Miller LakeReservoir
- Miller RunRiver
- Miller RunRiver
- Miller RunRiver
- Millers CreekRiver
- Millers ForkRiver
- Millers ForkRiver
- Millers ForkRiver
- Millers RunRiver
- Millers RunRiver
- Millers RunRiver
- Millers RunRiver
- Mill ForkRiver
- Mill ForkRiver
- MillpondLake
- Mill RunRiver
- Mill RunRiver
- Mill RunRiver
- Mill RunRiver
- Mill RunRiver
- Mill RunRiver
- Mill RunRiver
- Mills BranchRiver
- Mills CreekRiver
- Millstone RunRiver
- Millstone RunRiver
- Mims LakeReservoir
- Mineral Springs LakeReservoir
- Miners ForkRiver
- Mine RunRiver
- Mingo Sportsmens Club Lake NumberReservoir
- Mingo Sportsmens Club Lake NumberReservoir
- Mingwe RunRiver
- Minkers RunRiver
- Minnehan RunRiver
- Minnie CreekRiver
- Minnow CreekRiver
- Minnow PondLake
- Minque RunRiver
- Miranda PondReservoir
- Miranda RunRiver
- Miranda RunRiver
- Mirror LakeReservoir
- Mirror LakeReservoir
- Mirror LakeLake
- Mirror LakeReservoir
- Misers RunRiver
- Mitchell RunRiver
- Moccasin CreekRiver
- Modern Tool and Die Company ReservoirReservoir
- Modoc ReservoirReservoir
- Modoc RunRiver
- Moe PondReservoir
- Mogadore ReservoirReservoir
- Mohawk CreekRiverlive gauge
- Mohawk LakeReservoir
- Mohawk ReservoirReservoir
- Mohawk RunRiver
- Mohican RiverRiver
- Mohican Trail Camp LakeReservoir
- Mohicanville ReservoirReservoirlive gauge
- Molasses RunRiver
- Moll LakeReservoir
- Monday CreekRiver
- Monkey RunRiver
- Monkey RunRiver
- Monkey RunRiver
- Monroe BasinLake
- Monroe CreekRiver
- Monroe LakeReservoir
- Monroe LakeReservoir
- Monroeville Low Head ReservoirReservoir
- Montezuma CreekRiver
- Montmere LakeReservoir
- Montville LakesReservoir
- Montville LakesLake
- Monument Pond (historical)Lake
- Mooneys RunRiver
- Moon Hollow RunRiver
- Moon RunRiver
- Moore BranchRiver
- Moore LakeReservoir
- Moore PondReservoir
- Moore RunRiver
- Moore RunRiver
- Moore RunRiver
- Moore RunRiver
- Moore RunRiver
- Moores ForkRiver
- Moores RunRiver
- Moores RunRiver
- Moores RunRiver
- Moors RunRiver
- Moots RunRiver
- Morgan ForkRiver
- Morgan RunRiver
- Morgan RunRiver
- Morral RunRiver
- Morrison CreekRiver
- Morrison LakeLake
- Morrison RunRiver
- Morrison RunRiver
- Morse PondReservoir
- Moscow BrookRiver
- Mosquito CreekRiver
- Mosquito CreekRiver
- Mosquito CreekRiver
- Mosquito CreekRiver
- Mosquito Creek LakeReservoirlive gauge
- Moss Beach Club LakeReservoir
- Moss CreekRiver
- Moss RunRiver
- Moss RunRiver
- Moss RunRiver
- Mount Gilead LakesReservoir
- Mount Gilead Lower LakeReservoir
- Mount Gilead Upper LakeReservoir
- Mount Orab Reservoir (historical)Reservoir
- Mounts BranchRiver
- Mown Prairie CreekRiver
- Mowrer LakeReservoir
- Moxahala CreekRiver
- Muchinippi CreekRiver
- Muckshaw RunRiver
- Mud BrookRiver
- Mud BrookRiver
- Mudbrook CreekRiver
- Mud CreekRiver
- Mud CreekRiver
- Mud CreekRiver
- Mud CreekRiver
- Mud CreekRiver
- Mud CreekRiver
- Mud CreekRiver
- Muddy CreekRiver
- Muddy CreekRiver
- Muddy CreekRiver
- Muddy CreekRiver
- Muddy CreekRiver
- Muddy ForkRiver
- Muddy ForkRiver
- Muddy ForkRiver
- Muddy ForkRiver
- Muddy LakeReservoir
- Muddy Prairie CreekRiver
- Muddy Prairie RunRiver
- Muddy RunRiver
- Mud ForkRiver
- Mud ForkRiver
- Mud LakeLake
- Mud LakeLake
- Mud LakeLake
- Mud LakeLake
- Mud LakeLake
- Mud Lick RunRiver
- Mudport BasinLake
- Mud RunRiver
- Mud RunRiver
- Mud RunRiver
- Mud RunRiver
- Mud RunRiver
- Mud RunRiver
- Mud RunRiver
- Mud RunRiver
- Mud RunRiver
- Mud RunRiver
- Mud RunRiver
- Mud RunRiver
- Mud RunRiver
- Mud RunRiver
- Mud RunRiver
- Mud RunRiver
- Mud RunRiver
- Mud RunRiver
- Mud RunRiver
- Mueller LakeLake
- Muhleman RunRiver
- Mulberry RunRiver
- Mulfords RunRiver
- Mulga RunRiver
- Mulgee CreekRiver
- Mullberry Hills PondReservoir
- Mullen RunRiver
- Mullet RunRiver
- Mundy RunRiver
- Munn RunRiver
- Muntz RunRiver
- Murphy PondReservoir
- Murray RunRiver
- Mursh RunRiver
- Mush RunRiver
- Muskellunge CreekRiver
- Muskingum RiverRiverlive gauge
- Muskingum River Fly Ash ReservoirReservoir
- Muskingum River Lock and Dam NumberReservoirlive gauge
- Muskingum River Lock and Dam NumberReservoir
- Muskingum River Lock and Dam NumberReservoirlive gauge
- Muskingum River Lock and Dam NumberReservoir
- Muskingum River Lock and Dam NumberReservoir
- Muskingum River Lock and Dam NumberReservoir
- Muskingum River Lock and Dam NumberReservoir
- Muskingum River Lock and Dam NumberReservoirlive gauge
- Muskingum River Lock and Dam NumberReservoirlive gauge
- Muskingum River Lock and Dam NumberReservoir
- Mutton RunRiver
- Mutton RunRiver
- Mutton RunRiver
- Muzzy LakeLake
- Muzzys LakeLake
- Myers RunRiver
- Myers RunRiver
- Mystic LakeReservoir
- Nacco Slurry Refuse ImpoundmentReservoir
- Nace RunRiver
- Nancy BranchRiver
- Nancy RunRiver
- Narrows RunRiver
- Narrows RunRiver
- Narrows RunRiver
- Nauvoo RunRiver
- Naylors RunRiver
- Neals RunRiver
- Nease CreekRiver
- Ned ForkRiver
- Needles CreekRiver
- Neffs RunRiver
- Negro RunRiver
- Negro RunRiver
- Neiheiser LakeReservoir
- Nellis RunRiver
- Nelots Pond (historical)Reservoir
- Neptune LakeLake
- Nettle CreekRiver
- Nettle CreekRiver
- Nettle LakeLake
- Newark Low Head Reservoir (historical)Reservoir
- New Concord Village ReservoirReservoir
- Newell LakeReservoir
- Newell RunRiver
- Newell RunRiver
- New Lexington ReservoirReservoir
- New Lexington Water Supply ReservoirReservoir
- New London Upground ReservoirReservoir
- Newman CreekRiver
- Newman RunRiver
- New Milford CreekRiver
- Newton Falls ReservoirReservoir
- New Washington Upground ReservoirReservoir
- New Years CreekRiver
- New York Central Reservoir 9420Reservoir
- Nickel Valley RunRiver
- Niles Pond (historical)Lake
- Nimishillen CreekRiver
- Nimisila CreekRiver
- Nimisila ReservoirReservoir
- Nina LakeReservoir
- Ninemile CreekRiver
- Ninemile CreekRiver
- Ninemile CreekRiver
- Ninemile CreekRiver
- Ninemile CreekRiver
- Nipgut RunRiver
- Nixon RunRiver
- Nobles ForkRiver
- Nobles Paradise LakeReservoir
- Noblet DrainRiver
- No Name CreekRiver
- Norman RunRiver
- Norris BranchRiver
- Norris RunRiver
- North Baltimore ReservoirReservoir
- North Branch Caesar CreekRiver
- North Branch Coal RunRiver
- North Branch Cross CreekRiver
- North Branch Dicks CreekRiver
- North Branch Eagle CreekRiver
- North Branch Indian CreekRiver
- North Branch Kokosing RiverRiverlive gauge
- North Branch Kokosing River LakeReservoir
- North Branch Margaret CreekRiver
- North Branch Marie DeLarme CreekRiver
- North Branch Muddy CreekRiver
- North Branch Oilspring RunRiver
- North Branch Phelps CreekRiver
- North Branch Portage RiverRiverlive gauge
- North Branch Pretty RunRiver
- North Branch Salt CreekRiver
- North Branch Spring BranchRiver
- North Branch Sycamore CreekRiver
- North Branch Symmes CreekRiver
- North Branch Turtle CreekRiver
- North Branch West Branch Rocky RiverRiver
- North Branch Wolf CreekRiver
- North CreekRiver
- North Crooked CreekRiver
- North Fork Brush ForkRiver
- North Fork Buckskin CreekRiver
- North Fork Buffalo CreekRiver
- North Fork Captina CreekRiver
- North Fork Compton CreekRiver
- North Fork Deer CreekRiver
- North Fork Gordon CreekRiver
- North Fork Great Miami RiverRiver
- North Fork Indian CreekRiver
- North Fork Indian RunRiver
- North Fork Kraut CreekRiver
- North Fork Licking RiverRiverlive gauge
- North Fork Lick RunRiver
- North Fork Little Beaver CreekRiver
- North Fork Little Miami RiverRiver
- North Fork Massies CreekRiver
- North Fork McGuire CreekRiverlive gauge
- North Fork Mill CreekRiver
- North Fork Paint CreekRiver
- North Fork Rattlesnake CreekRiver
- North Fork Short CreekRiver
- North Fork Stillwater RiverRiver
- North Fork Sugar CreekRiver
- North Fork White Oak CreekRiver
- North Fork Wills CreekRiver
- North Fork Yellow CreekRiver
- North Fork Yellow CreekRiver
- North Industry Sportsmans Club LakeReservoir
- North Lawrence Fish and Game Club LakeReservoir
- North Powell CreekRiver
- North ReservoirReservoir
- North Revere RunRiver
- North Revere Run EastRiver
- North Tenmile CreekRiver
- North Turkeyfoot CreekRiver
- Northup RunRiver
- Northwest Fork Eagle CreekRiver
- North Wildcat CreekRiver
- Norton RunRiver
- Norwalk CreekRiver
- Nova PondReservoir
- Novelty LakeLake
- Oak Grove CreekRiver
- Oak RunRiver
- Oak RunRiver
- Oakthorpe LakeReservoir
- O'Bannon CreekRiverlive gauge
- Oberhaus CreekRiver
- Oberlin ReservoirReservoir
- Oberlin Reservoir - ElevenReservoir
- Ockenga PondReservoir
- Odell CreekRiver
- Odell LakeLake
- Oeder LakeReservoir
- Ogden RunRiver
- Ogg CreekRiver
- Ohio Brush CreekRiver
- Ohio Farmettes LakeReservoir
- Ohio Power Company Pond 9515-001Reservoir
- Ohio Power Company Pond 9515-002Reservoir
- Ohio Power Company Pond 9515-004Reservoir
- Ohio Power Company Pond 9515-007Reservoir
- Ohio Power Company Pond 9515-011Reservoir
- Ohio Power Company Pond 9515-013Reservoir
- Ohio Power Company Pond 9515-018Reservoir
- Ohio Power Company Pond 9515-019Reservoir
- Ohio Power Company Pond 9515-021Reservoir
- Ohio Power Company Pond 9516-010Reservoir
- Ohio Power Company Pond 9615-010Reservoir
- Ohio Power Company Pond 9615-014Reservoir
- Ohio Power Company Pond 9615-020Reservoir
- Ohio Power Company Pond 9615-022Reservoir
- Ohio Power Company Pond Mb-118Reservoir
- Ohio Power Company Pond Mb-120Reservoir
- Ohio Power Company Pond Mb-133Reservoir
- Ohio Power Company Pond Mb-141Reservoir
- Ohio Power Company Pond Mb-144Reservoir
- Ohio Power Company Pond Mb-165Reservoir
- Ohio Power Company Pond Mb-166Reservoir
- Ohio Power Company Pond Mb-46Reservoir
- Ohio Power Company Pond Mbl-1Reservoir
- Ohio Power Company Pond Mm-29Reservoir
- Ohio Power Company Pond Mm-34Reservoir
- Ohio Power Company Pond Mm-46Reservoir
- Ohio Power Company Pond Mm-49Reservoir
- Ohio Power Company Pond Mm-52Reservoir
- Ohio Power Company Pond Mm-62Reservoir
- Ohio Power Company Pond Mm-85Reservoir
- Ohio Power Company Pond Mmv-5Reservoir
- Ohio Power Company Pond Mmv-9Reservoir
- Ohio Power Company Pond Mum-40Reservoir
- Ohio Power Company Pond Mum-48Reservoir
- Ohio Power Company Pond Mum-87Reservoir
- Ohio Power Company Pond Mum-90Reservoir
- Ohio Power Company Pond Mum-91Reservoir
- Ohio Power Company Pond Mum-92Reservoir
- Ohio Power Company Pond Mur-12Reservoir
- Ohio Power Company Pond Mur-27Reservoir
- Ohio Power Company Pond Mur-3Reservoir
- Ohio Power Company Pond Mur-31Reservoir
- Ohio Power Company Pond Mur-32Reservoir
- Ohio Power Company Pond Mur-4Reservoir
- Ohio Power Company Pond Nb-102Reservoir
- Ohio Power Company Pond Nb-171Reservoir
- Ohio Power Company Pond Nb-176Reservoir
- Ohio Power Company Pond Nb-40Reservoir
- Ohio Power Company Pond Nb-64Reservoir
- Ohio Power Company Pond Nb-90Reservoir
- Ohio Power Company Pond Nb-93Reservoir
- Ohio Power Company Pond Nb-99Reservoir
- Ohio Power Company Pond Number 9515-012Reservoir
- Ohio Power Company Pond Number 9515-015Reservoir
- Ohio Power Company Pond Number 9515-025Reservoir
- Ohio Power Dam Number TwoReservoir
- Ohio Power Pond Nb-43Reservoir
- Ohio Power Pond Number FourReservoir
- Ohio Power Pond Number ThreeReservoir
- Ohio State University Golf Course LakeReservoir
- Ohnoname 10 ReservoirReservoir
- Ohnoname 15 ReservoirReservoir
- Ohnoname 16 ReservoirReservoir
- Ohnoname 20 ReservoirReservoir
- Ohnoname 21 ReservoirReservoir
- Ohnoname 22 ReservoirReservoir
- Ohnoname 28 ReservoirReservoir
- Ohnoname 31 ReservoirReservoir
- Ohnoname Nineteen ReservoirReservoir
- Oilspring BranchRiver
- Oilspring RunRiver
- OK RunRiver
- Old Bean CreekRiver
- Oldcamp RunRiver
- Old Lade RunRiver
- Old Mill PondReservoir
- Old Pond RunRiver
- Old Stage Farms LakeReservoir
- Oldtown CreekRiver
- Oldtown CreekRiverlive gauge
- Oldtown CreekRiver
- Oldtown CreekRiver
- Oldtown RunRiver
- Oldtown RunRiver
- Old Woman CreekRiverlive gauge
- Olentangy RiverRiverlive gauge
- Olive BranchRiver
- Olive CreekRiver
- Olive Green CreekRiver
- Oliver RunRiver
- Oliver RunRiver
- Olney RunRiver
- Onion CreekRiver
- Onion RunRiver
- Ontario LagoonLake
- Opossum CreekRiver
- Opossum CreekRiver
- Opossum RunRiver
- Opossum RunRiver
- Opossum RunRiver
- Opossum RunRiver
- Opossum RunRiver
- Opossum RunRiver
- Opossum RunRiver
- Opossum RunRiver
- Opossum RunRiver
- Opossum RunRiver
- Opossum RunRiver
- Orange CreekRiver
- Orchard LakeLake
- Orchard Path CreekRiver
- Osage LakeReservoir
- Osborne RunRiver
- O'Shaughnessy ReservoirReservoirlive gauge
- Ossing RunRiver
- Ottawa CreekRiver
- Ottawa CreekRiver
- Ottawa RiverRiver
- Ottawa RiverRiverlive gauge
- Ottawa Upground ReservoirReservoirlive gauge
- Otter CreekRiver
- Otter CreekRiver
- Otter CreekRiver
- Otter Fork Licking RiverRiver
- Otter RunRiver
- Otter RunRiver
- Otterslide RunRiver
- Outlet PondReservoir
- Oven LickRiver
- Overbrook StreamRiver
- Owen PondReservoir
- Owen PondReservoir
- Owens CreekRiver
- Owensville LakeReservoir
- Owl CreekRiver
- Owl CreekRiver
- Owl CreekRiver
- Owl CreekRiver
- Owl CreekRiver
- Owl CreekRiver
- Owl CreekRiver
- Owl Creek StreamRiver
- Owl Hollow RunRiver
- Oxawoosie CreekRiver
- Oxbow LagoonLake
- Oxbow LakeReservoir
- Oxbow RunRiver
- Oxley RunRiver
- Pabst LakeReservoir
- Packer CreekRiver
- Packsaddle RunRiver
- Paddle CreekRiver
- Paddy CreekRiver
- Paddy RunRiver
- Paddys RunRiver
- Paine CreekRiver
- Paine RunRiver
- Paint CreekRiverlive gauge
- Paint CreekRiver
- Paint CreekRiverlive gauge
- Paint CreekRiver
- Paint Creek LakeReservoirlive gauge
- Paint Creek LakeReservoir
- Painter CreekRiver
- Painter CreekRiver
- Painter CreekRiver
- Painter CreekRiver
- Painter ForkRiver
- Painter RunRiver
- Painter RunRiver
- Painter RunRiver
- Painters RunRiver
- Pancake CreekRiver
- Pancake LakeReservoir
- Panther CreekRiver
- Panther CreekRiver
- Panther RunRiver
- Paradise LakeLake
- Paradise Lakes-North LakeReservoir
- Paradise Lakes-South LakeReservoir
- Paramount LakeLake
- Paramour CreekRiver
- Park CreekRiver
- Parker RunRiver
- Parker RunRiver
- Parkers RunRiver
- Park LakeLake
- Patterson CreekRiver
- Patterson Hollow RunRiver
- Patterson RunRiver
- Patterson RunRiver
- Patterson RunRiver
- Pattersons RunRiver
- Patton RunRiver
- Patton RunRiver
- Patton RunRiver
- Patton RunRiver
- Patton RunRiver
- Patton RunRiver
- Patty CreekRiver
- Paulding Upground ReservoirReservoir
- Pauls LakeLake
- Pawpaw CreekRiver
- PawPaw CreekRiver
- Paw Paw LakeReservoir
- Pawpaw RunRiver
- Payden RunRiver
- Payne LakeReservoir
- Paynes ForkRiver
- Peabody Coal Company Impoundment 0117Reservoir
- Peabody Coal Company Impoundment 0117Reservoir
- Peabody Coal Company Pond 0115-011Reservoir
- Peach ForkRiver
- Peacock RunRiver
- Pea Vine CreekRiver
- Pebble BranchRiver
- Pecks CreekRiver
- Pee Pee CreekRiver
- Peeper RunRiver
- Peggs ForkRiver
- P E Grubb LakeReservoir
- Peregrine PondLake
- Perfect CreekRiver
- Perigen CreekRiver
- Periwinkle RunRiver
- Perkins BranchRiver
- Perkins RunRiver
- Permars RunRiver
- Permonkey CreekRiver
- Perrin RunRiver
- Perry Fish and Game Association PondReservoir
- Perry Reclaim Dam Three ImpoundmentReservoir
- Perry Reclaim Reservoir OneReservoir
- Perry Reclaim Reservoir TwoReservoir
- Perry RunRiver
- Perry RunRiver
- Peter Cave CreekRiver
- Peters Branch Swan CreekRiver
- Peters CreekRiver
- Peters CreekRiver
- Peterson PondReservoir
- Peters RunRiver
- Peters RunRiver
- Peters RunRiver
- Pet RunRiver
- Peytons RunRiver
- Phelps CreekRiver
- Phelps CreekRiver
- Phelps RunRiver
- Phillips ForkRiver
- Pickens RunRiver
- Pickerel CreekRiver
- Pickering CreekRiver
- Pickett RunRiver
- Piedmont LakeLakelive gauge
- Pierce RunRiver
- Pierson CreekRiver
- Pigeon CreekRiver
- Pigeon CreekRiver
- Pigeon CreekRiver
- Pigeon CreekRiver
- Pigeonroost RunRiver
- Pigeon RunRiver
- Pigeon RunRiver
- Pigeye CreekRiver
- Pikehole CreekRiver
- Pike LakeReservoir
- Pike RunRiver
- Pike RunRiver
- Pike RunRiver
- Pike RunRiver
- Pinch RunRiver
- Pine CreekRiver
- Pine CreekRiver
- Pine CreekRiver
- Pine Creek Structure Number Eight ReservoirReservoir
- Pine ForkRiver
- Pine Hill LakeReservoir
- Pine Hills Golf Course Club LakeReservoir
- Pine Hollow CreekRiver
- Pine LakeReservoir
- Pine LakeLake
- Pine LakeReservoir
- Pine LakeReservoir
- Pine LakeReservoir
- Pine LakeReservoir
- Pine LakeLake
- Pine LakeReservoir
- Pine LakeLake
- Pine RunRiver
- Pine RunRiver
- Pine RunRiver
- Pine RunRiver
- Pine RunRiver
- Pine RunRiver
- Pine RunRiver
- Pine RunRiver
- Pine Valley LakeReservoir
- Pine Valley Sportsmens Lake NumberReservoir
- Pine Valley Sportsmens Lake NumberReservoir
- Pine Valley Sportsmens Lake NumberReservoir
- Piney CreekRiver
- Piney ForkRiver
- Piney ForkRiver
- Piney Fork Prep Plant Slurry PondReservoir
- Piney Wood LakeReservoir
- Pin Oak LakeReservoir
- Pintail PondReservoir
- Piny RunRiver
- Pipe CreekRiver
- Pipe CreekRiver
- Piper RunRiver
- Pipe RunRiver
- Pipes ForkRiver
- Piqua Low Head ReservoirReservoirlive gauge
- Pischieri PondReservoir
- Pittman LakeReservoir
- Platter CreekRiverlive gauge
- Pleasant Hill LakeReservoirlive gauge
- Pleasant RunRiver
- Pleasant RunRiver
- Pleasant RunRiver
- Pleasant RunRiver
- Pleasant RunRiver
- Pleasant RunRiver
- Pleasant RunRiver
- Pleasant RunRiver
- Pleasant Valley CreekRiver
- Pleasant Valley RunRiver
- Pleasant Valley RunRiver
- Pleasant Valley RunRiver
- Plover LakeReservoir
- Plug RunRiver
- Plumb CreekRiver
- Plum BrookRiver
- Plumb RunRiver
- Plum CreekRiver
- Plum CreekRiver
- Plum CreekRiver
- Plum CreekRiver
- Plum CreekRiver
- Plum CreekRiver
- Plum CreekRiver
- Plum CreekRiver
- Plum CreekRiverlive gauge
- Plummer ForkRiver
- Plummers CreekRiver
- Plum RunRiver
- Plum RunRiver
- Plum RunRiver
- Plum RunRiver
- Plum RunRiver
- Plum RunRiver
- Plum RunRiver
- Plum RunRiver
- Plum RunRiver
- Plum RunRiver
- Plum RunRiver
- Plum RunRiver
- Plum RunRiver
- Plum RunRiver
- Plum RunRiver
- Plum RunRiver
- Plum RunRiver
- Plum Run NorthRiver
- Poe RunRiver
- Pogue RunRiver
- Polecat Branch Hag RunRiver
- Polecat RunRiver
- Polecat RunRiver
- Polk RunRiver
- Pomeroy PondsReservoir
- Pond BrookRiver
- Pond CreekRiver
- Ponderosa Pines LakeReservoir
- Pond Lick LakeReservoir
- Pond Lick RunRiver
- Pond RunRiver
- Pond RunRiver
- Pondy CreekRiver
- Pone CreekRiver
- Pone RunRiver
- Pool RunRiver
- Poore PondReservoir
- Poplar CreekRiver
- Poplar CreekRiver
- Poplar CreekRiver
- Poplar ForkRiver
- Poplar Fork Pine CreekRiver
- Poplar RunRiver
- Poplar RunRiver
- Pops LakeLake
- Porcupine CreekRiver
- Portage LakesLake
- Portage LakesLake
- Portage RiverRiver
- Porter CreekRiver
- Porterfield RunRiver
- Porter LakeReservoir
- Porter PondReservoir
- Porter RunRiver
- Porter RunRiver
- Porters RunRiver
- Possum Hollow RunRiver
- Possum RunRiver
- Postboy CreekRiver
- Poste LakeReservoir
- Potato RunRiverlive gauge
- Potpie RunRiver
- Pottawatomie CreekRiver
- Pottenger RunRiver
- Potter CreekRiver
- Poverty RunRiver
- Poverty RunRiver
- Powder Lick RunRiver
- Powell CreekRiver
- Powers BrookRiver
- Powers ReservoirReservoir
- Prairie CreekRiver
- Prairie CreekRiver
- Prairie CreekRiver
- Prairie CreekRiver
- Prairie CreekRiver
- Prairie ForkRiver
- Prairie Lake (historical)Lake
- Prairie OutletRiver
- Prairie RunRiver
- Prairie RunRiver
- Prairie RunRiver
- Prairie RunRiver
- Prairie RunRiver
- Pratts ForkRiver
- Pratts RunRiver
- Preston RunRiver
- Pretty RunRiver
- Price CreekRiver
- Price LakesLake
- Prickley Ash CreekRiver
- Pride Valley Beach Club ReservoirReservoir
- Priest RunRiver
- Proctor RunRiver
- Proud RunRiver
- Prussia RunRiver
- Pschesang LakeReservoir
- Pulay PondReservoir
- Pumpkin RunRiver
- Pumpkin RunRiver
- Puncheon ForkRiver
- Puncheon RunRiver
- Punderson LakeLake
- Puntenney RunRiver
- Pup CreekRiver
- Purgatory RunRiver
- Pusheta CreekRiver
- Puskarich Brothers LakeReservoir
- Pussy CreekRiver
- Quail Hollow LakeReservoir
- Quail RunRiver
- Quaker RunRiver
- Quaker Springs RunRiver
- Quarry CreekRiver
- Quarry LakeLake
- Quarry RunRiver
- Quarry RunRiver
- Quarto Mine Number Four Dam Number FiveReservoir
- Quarto Mine Number Four Dam Number FourReservoir
- Quarto Mine Number Four Dam Number OneReservoir
- Quarto Mine Number Four Dam Number ThreeReservoir
- Quarto Mine Number Four Dam Number TwoReservoir
- Queer CreekRiver
- Qu Qua CreekRiver
- Rabbit RunRiver
- Raccoon CreekRiver
- Raccoon CreekRiverlive gauge
- Raccoon CreekRiver
- Raccoon Creek ReservoirReservoir
- Raccoon RunRiver
- Racetrack RunRiver
- Rader CreekRiver
- Rags RunRiver
- Rainbow CreekRiver
- Rainbow LakeLake
- Rainbow LakeReservoir
- Rainbow LakesReservoir
- Rainbow RunRiver
- Ralston RunRiver
- Ralston RunRiver
- Ramp CreekRiver
- Randall RunRiver
- Randall RunRiver
- R and F Coal Fresh Water ImpoundmentReservoir
- Randolph RunRiver
- Rangle RunRiver
- Rankin CreekRiver
- Rannells CreekRiver
- Ransoms RunRiver
- Rapid RunRiver
- Rapid RunRiver
- Rarden CreekRiver
- Rathburn RunRiver
- Rattail BranchRiver
- Rattlesnake CreekRiver
- Rattlesnake CreekRiver
- Rattlesnake CreekRiver
- Rattlesnake CreekRiver
- Rawiga Country Club LakeReservoir
- Ray RunRiver
- Rays LakesLake
- Razor RunRiver
- Reams PondReservoir
- Reasoners RunRiver
- Reas RunRiver
- Red BrookRiver
- Red CreekRiver
- Redhaw CreekRiver
- Redoak CreekRiver
- Red Pine LakeLake
- Red R LakeLake
- Red RunRiver
- Red RunRiver
- Redstone RunRiver
- Reeders RunRiver
- Reed RunRiver
- Reeds RunRiver
- Reeds RunRiver
- Reeds RunRiver
- Reel LakeReservoir
- Reeves CreekRiver
- Reeves RunRiver
- Reevhorn RunRiver
- Refinery ReservoirReservoir
- Reitz RunRiver
- Rennick CreekRiver
- Repp RunRiver
- Republican RunRiver
- Reserve RunRiver
- Restful LakeLake
- Reuschling PondReservoir
- Revere RunRiver
- Rex LakeLake
- Reynolds CreekRiver
- Reynolds RunRiver
- Reynolds RunRiver
- R Farm LakeLake
- Rhonemus BranchRiver
- Rias RunRiver
- Rice PondReservoir
- Richards RunRiver
- Rich ForkRiver
- Rich RunRiver
- Richs RunRiver
- Rich Street Low Head ReservoirReservoir
- Richwood LakeLake
- Riddles RunRiver
- Riders PondReservoir
- Riders RunRiver
- Riding RunRiver
- Riffle CreekRiver
- Right Branch Cat CreekRiver
- Right Fork Bear CreekRiver
- Right Fork Morgan ForkRiver
- Right Fork Second CreekRiver
- Righthand Fork Croxton RunRiver
- Riley CreekRiverlive gauge
- Riley ReservoirReservoir
- Riley RunRiver
- Riley RunRiver
- Riley RunRiver
- Rileys RunRiver
- Rio Grande ReservoirReservoir
- Ripley RunRiver
- Rippe PondReservoir
- Rippy RunRiver
- Ritchie RunRiver
- Roach RunRiver
- Roach RunRiver
- Road ForkRiver
- Roaming Rock Shores LakeReservoir
- Roberts LakeReservoir
- Roberts RunRiver
- Robinson RunRiver
- Robinson RunRiver
- Robinson RunRiver
- Robinson RunRiver
- Robinson RunRiver
- Robinson RunRiver
- Robinson RunRiver
- Robins Ridge Golf Club Lake Number OneReservoir
- Robins Ridge Golf Club Lake Number TwoReservoir
- Rockcamp CreekRiver
- Rockcamp RunRiver
- Rockcamp RunRiver
- Rockcamp RunRiver
- Rock CreekRiverlive gauge
- Rock CreekRiver
- Rock CreekRiver
- Rock ForkRiver
- Rock Island LakeReservoir
- Rock LickRiver
- Rock LickRiver
- Rock LickRiver
- Rocklick CreekRiver
- Rock Mill LakeReservoir
- Rock RunRiver
- Rock RunRiver
- Rock RunRiver
- Rock RunRiver
- Rock RunRiver
- Rock RunRiver
- Rock RunRiver
- Rock Run CreekRiver
- Rock SwaleRiver
- Rocky BranchRiver
- Rocky BranchRiver
- Rocky FordRiver
- Rocky ForkRiver
- Rocky ForkRiver
- Rocky ForkRiver
- Rocky ForkRiver
- Rocky ForkRiverlive gauge
- Rocky ForkRiver
- Rocky ForkRiver
- Rocky ForkRiver
- Rocky ForkRiver
- Rocky ForkRiver
- Rocky ForkRiver
- Rocky ForkRiverlive gauge
- Rocky ForkRiver
- Rocky ForkRiver
- Rocky ForkRiver
- Rocky Fork CreekRiver
- Rocky Fork LakeReservoir
- Rocky RiverRiver
- Rocky RunRiver
- Rocky RunRiver
- Rocky RunRiver
- Rocky RunRiver
- Rocky RunRiver
- Rocky RunRiver
- Rocky RunRiver
- Rocky RunRiver
- Rocky RunRiver
- Rodgers LakeLake
- Rod LakeReservoir
- Rodney RunRiver
- Rogers LakeLake
- Rogers RunRiver
- Rohrs LakeReservoir
- Roller CreekRiver
- Ronolds RunRiver
- Roosevelt LakeReservoir
- Rose LakeLake
- Rosers RunRiver
- Rose RunRiver
- Rose RunRiver
- Roses RunRiver
- Rose Valley CreekRiver
- Ross LakeReservoir
- Ross Lake (historical)Reservoir
- Ross RunRiver
- Ross RunRiver
- Ross RunRiver
- Ross RunRiver
- Ross RunRiver
- Ross RunRiver
- Rough RunRiver
- Round LakeLake
- Round-up LakeLake
- Roush RunRiver
- Rowell RunRiver
- Rowley RunRiver
- Royal Oak LakeReservoir
- Royal Oaks Course Pond Number TwoReservoir
- Royal Oaks Golf Course Pond Number OneReservoir
- Rozelle CreekRiver
- Rubel LakeReservoir
- Ruble RunRiver
- Ruby LakeLake
- Ruffner RunRiver
- Rum CreekRiver
- Running Bear RunRiver
- Rusha CreekRiver
- Rush CreekRiver
- Rush CreekRiver
- Rush CreekRiver
- Rush Creek Conservation District Structure 5b ReservoirReservoir
- Rush Creek Conservation District Structure ReservoirReservoir
- Rush Creek Conservation District Structure ReservoirReservoir
- Rush Creek Conservation District Structure ReservoirReservoir
- Rushcreek LakeLake
- Rush Creek LakeReservoir
- Rush Creek ReservoirReservoir
- Rush Creek Structure 3a ReservoirReservoir
- Rush Creek Structure 3b ReservoirReservoir
- Rush Creek Watershed Structure VI ReservoirReservoir
- Rush RunRiver
- Rush RunRiver
- Rush RunRiver
- Rush RunRiver
- Rush RunRiver
- Rush RunRiver
- Rush Run LakeReservoir
- Russell CreekRiver
- Russell Fork Stout CreekRiver
- Russell RunRiver
- Russell RunRiver
- Russellville Watersupply ReservoirReservoir
- Russet RunRiver
- Rustic Acres LakeReservoir
- Rustic Hills LakeReservoir
- Rustic LakeReservoir
- Rutledge LakeReservoir
- Ryan RunRiver
- Ryan RunRiver
- Saalfield Pond Number OneReservoir
- Sacket RunRiver
- Sagamore RunRiver
- Saint Clairsville Reservoir Number OneReservoir
- Saint Clairsville Reservoir Number TwoReservoir
- Saint James RunRiver
- Saint John Vianney Seminary LakeReservoir
- Salem CreekRiver
- Salem ReservoirReservoir
- Salem RunRiver
- Salem RunRiver
- Salisbury RunRiver
- Sally Buffalo CreekRiver
- Sally Buffalo Park Lake Number TwoReservoir
- Sally Buffalo Park ReservoirReservoir
- Salmon RunRiver
- Salome RunRiver
- Salt CreekRiver
- Salt CreekRiver
- Salt CreekRiver
- Salt CreekRiver
- Salt CreekRiver
- Salt CreekRiver
- Salters CreekRiver
- Salt ForkRiver
- Salt Fork LakeReservoir
- Salt Fork ReservoirReservoir
- Salt LickRiver
- Saltlick CreekRiver
- Salt Lick CreekRiver
- Salt RunRiver
- Salt RunRiver
- Salt RunRiver
- Salt RunRiver
- Salt RunRiver
- Salt RunRiver
- Salt RunRiver
- Salt RunRiver
- Salt RunRiver
- Salt RunRiver
- Salt Well RunRiver
- Sams CreekRiverlive gauge
- Sams CreekRiver
- Sand CreekRiver
- Sand ForkRiver
- Sand ForkRiver
- Sandhill CreekRiver
- Sand RunRiver
- Sand RunRiver
- Sand RunRiver
- Sand RunRiver
- Sand RunRiver
- Sand RunRiver
- Sand RunRiver
- Sandusky CreekRiver
- Sandusky RiverRiver
- Sandy Bottom CreekRiver
- Sandy CreekRiver
- Sandy LakeLake
- Sandy RunRiver
- Sandy RunRiver
- Sandy RunRiver
- Sans Souce LakeReservoir
- San Toy CreekRiver
- San Toy LakeReservoir
- Sapps RunRiver
- Sapps RunRiver
- Sarchet RunRiver
- Sardinia ReservoirReservoir
- Sardis RunRiver
- Satterthwaites RunRiver
- Savage RunRiver
- Savannah LakesLake
- Savers RunRiver
- Sawmill CreekRiver
- Sawmill CreekRiver
- Sawmill RunRiver
- Saw Mill RunRiver
- Saw Pit RunRiver
- Sawyer BrookRiver
- Sawyer BrookRiver
- Sawyer RunRiver
- Sayres PondsLake
- Scaffold LickRiver
- Scantling RunRiver
- Scarey CreekRiver
- Schafer LakeReservoir
- Schaney PondReservoir
- Schenck CreekRiver
- Schleppi RunRiver
- Schneider LakeReservoir
- Schneider LakeReservoir
- Schocalog LakeReservoir
- Schocalog RunRiver
- School CreekRiver
- Schoonover LakeReservoir
- Schriver ForkRiver
- Schrock LakeReservoir
- Schultz LakeReservoir
- Schwab RunRiver
- Schwan CreekRiver
- Scio Pottery PondReservoir
- Scioto Big RunRiverlive gauge
- Scioto Brush CreekRiver
- Scioto Hills Baptist Camp LakeReservoir
- Scioto RiverRiverlive gauge
- Scippo CreekRiver
- Scott CreekRiver
- Scott CreekRiver
- Scott CreekRiver
- Scott Park PondReservoir
- Scott RunRiver
- Scott RunRiver
- Scott RunRiver
- Scott RunRiver
- Scott RunRiver
- Scotts RunRiver
- Second CreekRiver
- Second CreekRiver
- Second Price PondLake
- Seimer PondReservoir
- Seleski PondReservoir
- Semple CreekRiverlive gauge
- Semple RunRiver
- Seneca Fork Wills CreekRiverlive gauge
- Senecaville LakeReservoir
- Setty BranchRiver
- Sevakeen LakeLake
- Sevenmile CreekRiver
- Seven Mile CreekRiver
- Seven Springs LakeReservoir
- Sewell RunRiver
- Seymour CreekRiver
- Seymour RunRiver
- Shade CreekRiver
- Shade RiverRiver
- Shade RiverRiverlive gauge
- Shade Valley LakeReservoir
- Shadley Valley CreekRiver
- Shadow LakeReservoir
- Shadyview LakesLake
- Shaffers RunRiver
- Shaker CreekRiver
- Shaker LakesReservoir
- Shallow RunRiverlive gauge
- Shannon RunRiver
- Shanty CreekRiver
- Sharon CreekRiverlive gauge
- Sharon ForkRiver
- Sharon LakeReservoir
- Sharps CreekRiver
- Sharps Fork Federal CreekRiver
- Sharps RunRiver
- Sharps RunRiver
- Shaw CreekRiver
- Shawnee CreekRiver
- Shawnee CreekRiver
- Shawnee CreekRiver
- Shawnee CreekRiver
- Shawnee RunRiver
- Shawnee RunRiver
- Shawnee RunRiver
- Shawnee RunRiver
- Shawnee RunRiver
- Shayler RunRiver
- Sheep Pen RunRiver
- Sheep RunRiver
- Sheets RunRiver
- Sheets RunRiver
- Shelby Upground Reservoir Number OneReservoirlive gauge
- Shelby Upground Reservoir Number TwoReservoir
- Sheldon RunRiver
- Shell CreekRiver
- Shelley RunRiver
- Shelton LakeReservoir
- Sheperds RunRiver
- Shepherd CreekRiver
- Shepherd Fork Dry CreekRiver
- Shepherds White Oak CreekRiver
- Sherman RunRiver
- Sherod CreekRiver
- Sherrick RunRiver
- Sherwood Forrest Camp Grounds PondReservoir
- Sherwood RunRiver
- Shimer RunRiver
- Shipman PondLake
- Shipp CreekRiver
- Shiveleys LakeReservoir
- Shoal CreekRiver
- Short BrookRiver
- Short CreekRiverlive gauge
- Shot Pouch RunRiver
- Shrader RunRiver
- Shreve CreekRiver
- Shreve LakeReservoir
- Shrimplin CreekRiver
- Shroder LakeReservoir
- Sibley CreekRiver
- Sickles PondReservoir
- Siedel LakeReservoir
- Sigafoos RunRiver
- Silver CreekRiver
- Silver CreekRiver
- Silver CreekRiver
- Silver CreekRiver
- Silver CreekRiver
- Silver CreekRiver
- Silver CreekRiver
- Silver CreekRiver
- Silver CreekRiver
- Silver Creek ReservoirReservoir
- Silver LakeLake
- Silver LakeLake
- Silver LakeLake
- Silver LakeLake
- Silver LakeLake
- Silver RunRiver
- Silver Springs LakeLake
- Simmons RunRiver
- Simms Pond (historical)Reservoir
- Simms RunRiver
- Simonds RunRiver
- Simpson CreekRiver
- Simpson RunRiver
- Simpson RunRiver
- Sims RunRiver
- Sims RunRiver
- Singer LakeLake
- Singer RunRiver
- Sink CreekRiver
- Sinking CreekRiver
- Sippo CreekRiver
- Sippo LakeLake
- Sisson RunRiver
- Sister CreekRiver
- Sites LakeLake
- Siverly CreekRiver
- Sixmile CreekRiver
- Sixmile CreekRiver
- Sixmile CreekRiver
- Sixmile CreekRiver
- Six Mile ReservoirReservoir
- Sixmile RunRiver
- Skidmore LakeReservoir
- Skidmore RunRiver
- Skin CreekRiver
- Skin CreekRiver
- Skull CreekRiver
- Skull ForkRiver
- Skunk RunRiver
- Sky LakeLake
- Slabcamp CreekRiver
- Slabcamp RunRiver
- Slabcamp RunRiver
- Slab Camp RunRiver
- Slab Fork Johns CreekRiver
- Slab RunRiver
- Slab RunRiver
- Slab RunRiver
- Slate Fork Churn CreekRiver
- Slate LickRiver
- Slater Brothers PondReservoir
- Slater RunRiver
- Slate RunRiver
- Slate RunRiver
- Slate RunRiver
- Slate RunRiver
- Slate RunRiver
- Slate RunRiver
- Slate RunRiver
- Slates ReservoirReservoir
- Slaughterhouse RunRiver
- Sleepy Hollow LakeLake
- Slemmons CreekRiver
- Slickaway RunRiver
- Slickaway RunRiver
- Slim CreekRiver
- Slipper RunRiver
- Sloan RunRiver
- Slope CreekRiver
- Slurry Impoundments 3, 3a, 3bReservoir
- Slyman LakeReservoir
- Small Atkinson CreekRiver
- Small Middle RunRiver
- Smith BranchRiver
- Smithfield Lions Club LakeReservoir
- Smith PondReservoir
- Smith PondReservoir
- Smith PondReservoir
- Smith Road LakesLake
- Smith RunRiver
- Smith RunRiver
- Smith RunRiver
- Smiths PondLake
- Smiths RunRiver
- Smoky CreekRiver
- Smokyrow RunRiver
- Smoky RunRiver
- Smoot LakeLake
- Snake RunRiver
- Snapping Turtle RunRiver
- Snooks RunRiver
- Snortin Ridge Farm LakeReservoir
- Snow ForkRiver
- Snow LakeLake
- Snow RunRiver
- Snuff CreekRiver
- Sobczak LakeLake
- Soggy RunRiver
- Soldiers RunRiver
- Solida CreekRiver
- Solomon RunRiver
- Somerset CreekRiver
- Somerset ReservoirReservoir
- Sourek RunRiver
- Sour RunRiver
- South Branch Apple CreekRiver
- South Branch Bad CreekRiverlive gauge
- South Branch Caesar CreekRiver
- South Branch Coon CreekRiver
- South Branch Island CreekRiver
- South Branch Island RunRiver
- South Branch Kokosing RiverRiver
- South Branch Marie DeLarme CreekRiver
- South Branch McCammon CreekRiver
- South Branch Muddy CreekRiver
- South Branch Phelps CreekRiver
- South Branch Portage RiverRiver
- South Branch Spring BranchRiver
- South Branch Symmes CreekRiver
- South Branch Turtle CreekRiver
- South Branch Wills CreekRiver
- South Branch Wolf CreekRiver
- South Branch Yankee RunRiver
- South CreekRiver
- South CreekRiver
- Southdown Fork Stout RunRiver
- Southern Silica Pond Number OneReservoir
- Southern Silica Pond Number TwoReservoir
- South ForkRiverlive gauge
- South Fork Bradford CreekRiver
- South Fork Brushy ForkRiverlive gauge
- South Fork Buffalo CreekRiver
- South Fork Captina CreekRiver
- South Fork Dodson CreekRiver
- South Fork Eagle CreekRiver
- South Fork Gilbert RunRiver
- South Fork Gordon CreekRiver
- South Fork Great Miami RiverRiver
- South Fork Indian RunRiver
- South Fork Kinnikinnick CreekRiver
- South Fork Laurel RunRiver
- South Fork Lees CreekRiver
- South Fork Licking RiverRiverlive gauge
- South Fork Massies CreekRiver
- South Fork Rattlesnake CreekRiver
- South Fork Rocky ForkRiver
- South Fork Scioto Brush CreekRiver
- South Fork Short CreekRiver
- South Fork South Branch Wolf CreekRiver
- South Fork Stillwater RiverRiver
- South Fork Sugar CreekRiver
- South Fork Taylors CreekRiver
- South Fork York CreekRiver
- South Powell CreekRiver
- South RunRiver
- South Turkeyfoot CreekRiverlive gauge
- South Webster ReservoirReservoir
- Southwest Branch Vermilion RiverRiver
- Southwest Fork South Branch Wolf CreekRiver
- South Wildcat CreekRiver
- Spain CreekRiver
- Spanaway LakeReservoir
- Sparrow ReservoirReservoir
- Spear PondReservoir
- Speed RunRiver
- Spellacy RunRiver
- Spencer CreekRiverlive gauge
- Spencer LakeLake
- Spencer ReservoirReservoir
- Spencer RunRiver
- Spencer RunRiver
- Spencerville ReservoirReservoir
- Spencerville ReservoirReservoir
- Sperry CreekRiver
- Sperry ForkRiver
- Sperry PondLake
- Spicer CreekRiver
- Spicer CreekRiver
- Spice RunRiver
- Spicy RunRiver
- Spoon CreekRiver
- Spoon RiverRiver
- Spoon RiverRiver
- Spoon RiverRiver
- Spring BranchRiver
- Spring BranchRiver
- Spring BranchRiver
- Spring BranchRiver
- Spring BrookRiver
- Spring CreekRiver
- Spring CreekRiver
- Spring CreekRiver
- Spring CreekRiver
- Spring CreekRiver
- Springdale LakeLake
- Springfield LakeLake
- Springfield Lake OutletRiver
- Spring ForkRiver
- Spring Haven LakeLake
- Spring Hill LakeReservoir
- Spring Knoll LakesLake
- Spring LakeReservoir
- Spring LakeReservoir
- Spring LakeLake
- Spring LakeLake
- Spring LakesReservoir
- Spring PondLake
- Spring PondLake
- Spring RunRiver
- Spring RunRiver
- Spring RunRiver
- Spring RunRiver
- Spring RunRiver
- Spring RunRiver
- Spring RunRiver
- Spring Valley LakeReservoir
- Spring Valley LakeReservoirlive gauge
- Spring Valley LakeLake
- Spring Valley LakeReservoir
- Spring Valley Park LakeReservoir
- Springwater RunRiver
- Sprinkle LakeLake
- Sproat LakeReservoir
- Spruce CreekRiver
- Spruce LakeLake
- Spruce RunRiver
- Spruce RunRiver
- Spruce RunRiver
- Spruce RunRiver
- Spud RunRiver
- Spunk RunRiver
- Stag RunRiver
- Staley RunRiver
- Stall RunRiver
- Standingstone ForkRiverlive gauge
- Standingstone RunRiver
- Stanford RunRiver
- Stanley Lake 006Reservoir
- Stanley Lake 007Reservoir
- Stanley RunRiver
- Staples PondReservoir
- Starkey PondReservoir
- Starling RunRiver
- Starling RunRiver
- Starrett CreekRiver
- Starrett RunRiver
- Stateline CreekRiver
- State Route 800 ReservoirReservoir
- State RunRiver
- Station CreekRiver
- Steel RunRiver
- Steel RunRiver
- Steel Trap CreekRiver
- Steep RunRiver
- Stefans RunRiver
- Steffee RunRiver
- Sterling RunRiver
- Stetson RunRiver
- Steve Finlaw LakeReservoir
- Stevens BranchRiver
- Stevenson BrookRiver
- Stevens PondReservoir
- Stevens PondReservoir
- Stewart LakeLake
- Stewart PondLake
- Stickney CreekRiver
- Still ForkRiver
- Stillhouse BranchRiver
- Stillhouse RunRiver
- Stillhouse RunRiver
- Stillwater CreekRiver
- Stillwater RiverRiver
- Stingy RunRiver
- Stires LakeReservoir
- Stocker RunRiver
- Stokes LakeReservoir
- Stolle LakeReservoir
- Stolle LakeReservoir
- Stone BranchRiver
- Stone Coal RunRiver
- Stone CreekRiver
- Stonelick CreekRiver
- Stonelick LakeReservoir
- Stone Mill RunRiver
- Stone RunRiver
- Stonewall CreekRiver
- Stoneybrook Farm LakeReservoir
- Stong CreekRiver
- Stony BranchRiver
- Stony CreekRiver
- Stony CreekRiver
- Stony CreekRiver
- Stony CreekRiver
- Stony CreekRiver
- Stony ForkRiver
- Stony LakeReservoir
- Stony RunRiver
- Stony RunRiver
- Stony RunRiver
- Stony RunRiver
- Stony RunRiver
- Stony RunRiver
- Storms CreekRiver
- Storms CreekRiver
- Storys RunRiver
- Stout RunRiver
- Strahler PondReservoir
- Straight CreekRiver
- Straight CreekRiver
- Straight ForkRiver
- Straight ForkRiver
- Straight Fork Bear CreekRiver
- Straight Fork RunRiver
- Straight Hollow RunRiver
- Straight RunRiver
- Strait CreekRiver
- Straits LakeReservoir
- Stratton CreekRiver
- Strawcamp RunRiver
- Stripe CreekRiver
- Strong CreekRiver
- Strong CreekRiver
- Strongs RunRiver
- Strouds RunRiver
- Stuart Ash Pit Number 8 ReservoirReservoir
- Studer CreekRiver
- Stump LakeLake
- Stump RunRiver
- Stump RunRiver
- Sturgeon RunRiver
- Styx RiverRiverlive gauge
- Sucker Run CreekRiver
- Suck RunRiver
- Sugarcamp CreekRiver
- Sugar Camp CreekRiver
- Sugarcamp RunRiver
- Sugarcamp RunRiver
- Sugarcamp RunRiver
- Sugarcamp RunRiver
- Sugarcamp RunRiver
- Sugar CreekRiver
- Sugar CreekRiver
- Sugar CreekRiverlive gauge
- Sugar CreekRiver
- Sugar CreekRiver
- Sugar CreekRiver
- Sugar CreekRiver
- Sugar CreekRiver
- Sugar CreekRiver
- Sugar CreekRiver
- Sugar CreekRiver
- Sugar CreekRiver
- Sugar CreekRiver
- Sugar CreekRiver
- Sugar CreekRiver
- Sugar CreekRiver
- Sugar CreekRiver
- Sugar CreekRiver
- Sugar CreekRiver
- Sugar Grove LakeReservoir
- Sugar RunRiver
- Sugar RunRiver
- Sugar RunRiver
- Sugar RunRiver
- Sugar RunRiver
- Sugar RunRiver
- Sugar RunRiver
- Sugar RunRiver
- Sugar RunRiver
- Sugar RunRiver
- Sugar RunRiver
- Sugar RunRiver
- Sugar RunRiver
- Sugar RunRiver
- Sugar RunRiver
- Sugar RunRiver
- Sugar RunRiver
- Sugar RunRiver
- Sugartree CreekRiver
- Sugartree ForkRiver
- Sugartree RunRiver
- Sugar Valley LakesLake
- Sulphur BrookRiver
- Sulphur CreekRiver
- Sulphur CreekRiver
- Sulphur LickRiver
- Sulphur LickRiver
- Sulphur LickRiver
- Sulphur LickRiver
- Sulphur RunRiver
- Sulphur RunRiver
- Sulphur RunRiver
- Summit LakeLake
- Summitville Clay Products LakeReservoir
- Summitville Clay Works Pond DamReservoir
- Sumner PondReservoir
- Sunbury Upground Reservoir Number OneReservoir
- Sunbury Upground Reservoir Number TwoReservoir
- Sunday CreekRiver
- Sunday Creek Coal Company Pond 9420-0Reservoir
- Sunfish CreekRiver
- Sunfish CreekRiver
- Sunfish PondReservoir
- Sunnyhill Slurry ImpoundmentReservoir
- Sunny LakeLake
- Sunnyslope LakeReservoir
- Sunrise LakeReservoir
- Sunset Hill Estate LakeReservoir
- Sunset LakeReservoir
- Sunset LakeLake
- Sunset LakeLake
- Sunset LakeLake
- Sunset LakeReservoir
- Sun Valley LakeReservoir
- Superior LagoonLake
- Superior Marquette Cement Company PondReservoir
- Sutherland RunRiver
- Swamp CreekRiver
- Swamp CreekRiver
- Swamp RunRiver
- Swamp RunRiver
- Swan CreekRiver
- Swan CreekRiver
- Swan LakeLake
- Swan RunRiver
- Swanton ReservoirReservoir
- Swauger Valley RunRiver
- Sweeney RunRiver
- Sweeny RunRiver
- Sweetbit CreekRiver
- Sweet RunRiver
- Swift CreekRiver
- Swift Run LakeReservoir
- Swigert RunRiver
- Swine CreekRiver
- Swinging Bridge LakeReservoir
- Switzer CreekRiver
- Switzerland LakeReservoir
- Sycamore CreekRiver
- Sycamore CreekRiver
- Sycamore CreekRiver
- Sycamore CreekRiverlive gauge
- Sycamore CreekRiver
- Sycamore CreekRiver
- Sycamore CreekRiver
- Sycamore ForkRiver
- Sycamore LakeLake
- Sycamore RunRiver
- Sycamore RunRiver
- Sylvan LakeReservoir
- Sylvester RunRiver
- Symmes CreekRiver
- Symmes CreekRiver
- Taber LakeReservoir
- Tabor LakeLake
- Tadpole RunRiver
- Tait Station ReservoirReservoir
- Talcott CreekRiver
- Tall Timber LakeReservoir
- Tanglewood LakeReservoir
- Tanglewood LakeReservoir
- Tan House RunRiver
- Tanner RunRiver
- Tappan LakeReservoir
- Tarburner RunRiver
- Tarcamp RunRiver
- Tar CreekRiver
- Tare CreekRiver
- Tarhe RunRiver
- Tar Kiln RunRiver
- Tarrs RunRiver
- Tar RunRiver
- Tattle CreekRiver
- Tawa RunRiver
- Tawawa LakeLake
- Taylor CreekRiver
- Taylor CreekRiver
- Taylor ForkRiver
- Taylor LakeReservoir
- Taylor RunRiver
- Taylor RunRiver
- Taylorsville ReservoirReservoirlive gauge
- Tea RunRiver
- Tecumsey LakeLake
- Tedroe RunRiver
- Teens RunRiver
- Tenmile CreekRiver
- Tenmile CreekRiverlive gauge
- Tennessee Gas LakeReservoir
- Terra Agua LakesLake
- Terwilligers PondLake
- Texas CreekRiver
- The BogsLake
- The InletRiver
- The Lower LakeReservoir
- The OutletRiver
- The Upper LakeReservoir
- Third Price PondLake
- Thomas ForkRiver
- Thompson CreekRiver
- Thompson RunRiver
- Thompson RunRiver
- Thompson RunRiver
- Thompson RunRiver
- Thompson RunRiver
- Thompson RunRiver
- Thoreau PondReservoir
- Thor LakeReservoir
- Thorn RunRiver
- Thorn RunRiver
- Three Brothers CreekRiver
- Threemile CreekRiver
- Threemile CreekRiver
- Threemile CreekRiver
- Threemile CreekRiver
- Threemile CreekRiver
- Three Mile CreekRiver
- Tice RunRiver
- Tiderishi CreekRiver
- Tiffin Low Head Reservoir 1031-007Reservoirlive gauge
- Tiffin Low Head Reservoir 1031-008Reservoir
- Tiffin RiverRiverlive gauge
- Tiger RunRiver
- Tilberry RunRiver
- Tildens RunRiver
- Timber LakeReservoir
- Timberline Camp LakeReservoir
- Timber Ridge LakeLake
- Timber RunRiver
- Timbre Ridge LakeReservoir
- Timken LakeReservoir
- Tinker CreekRiver
- Tinkers CreekRiverlive gauge
- Tinkers Creek LakeLake
- Toby CreekRiver
- Toby RunRiver
- Todd ForkRiver
- Todd RunRiver
- Tomaky BranchRiver
- Tombstone CreekRiver
- Tommy RunRiver
- Toms RunRiver
- Toms RunRiver
- Tontogany CreekRiver
- Torok PondReservoir
- Tory RunRiver
- Toti CreekRiver
- Touby RunRiverlive gauge
- Toussaint CreekRiver
- Toussaint RiverRiver
- Town BranchRiver
- Town CreekRiver
- Town CreekRiver
- Town ForkRiver
- Town ForkRiver
- Town ForkRiver
- Town RunRiver
- Town RunRiver
- Town RunRiver
- Town RunRiver
- Town RunRiver
- Trace CreekRiver
- Trace CreekRiver
- Trace RunRiver
- Trace RunRiver
- Trace RunRiver
- Tracey RunRiver
- Trail RunRiver
- Trail RunRiver
- Trail RunRiver
- Trail RunRiver
- Trail Run LakesReservoir
- Treacle CreekRiver
- Treadway CreekRiver
- Treber RunRiver
- Trenton Sportsmen Club LakeReservoir
- Triangle LakeLake
- Trimble RunRiver
- Trippetts BranchRiver
- Tripp RunRiver
- Tritts MillpondLake
- Trotters CreekRiver
- Trouble CreekRiver
- Trough RunRiver
- Troyer Valley CreekRiver
- Troy Low Head ReservoirReservoirlive gauge
- Trumbull CreekRiver
- Tubaugh LakeReservoir
- Tucker RunRiver
- Tucker RunRiver
- Tucky RunRiver
- Tuma RunRiver
- Tumlin LakeReservoir
- Tupper CreekRiver
- Tupper CreekRiver
- Tuppers RunRiver
- Turben CreekRiver
- Turkey Broth CreekRiver
- Turkey CreekRiver
- Turkey CreekRiver
- Turkey CreekRiver
- Turkey CreekRiver
- Turkey CreekRiver
- Turkey Creek LakeReservoir
- Turkeyfoot CreekRiver
- Turkeyfoot LakeLake
- Turkeyfoot RunRiver
- Turkeyfoot RunRiver
- Turkeyfoot RunRiver
- Turkey ForkRiver
- Turkeyhen RunRiver
- Turkey Hole RunRiver
- Turkey RunRiver
- Turkey RunRiver
- Turkey RunRiver
- Turkey RunRiver
- Turkey RunRiver
- Turkey RunRiver
- Turkey RunRiver
- Turkey RunRiver
- Turkey RunRiver
- Turkey RunRiver
- Turkey RunRiver
- Turkey RunRiver
- Turkey RunRiver
- Turkey RunRiver
- Turkey RunRiver
- Turkey RunRiver
- Turkey RunRiver
- Turkey RunRiver
- Turkey RunRiver
- Turtle CreekRiver
- Turtle CreekRiver
- Turtle CreekRiver
- Turtle CreekRiver
- Tuscarawas RiverRiverlive gauge
- Tustison CreekRiver
- Twelvemile CreekRiver
- Twelvemile CreekRiver
- Twin BranchesRiver
- Twin Churches LakeLake
- Twin CreekRiver
- Twin Hill LakeReservoir
- Twin LakeReservoir
- Twin Lake ReservoirReservoir
- Twin LakesLake
- Twin LakesReservoir
- Twin LakesReservoir
- Twin RunRiver
- Twin Willows LakeReservoir
- Twist RunRiver
- Twomile CreekRiver
- Twomile CreekRiver
- Twomile CreekRiver
- Twomile CreekRiver
- Two Mile ReservoirReservoir
- Twomile RunRiver
- Twomile RunRiver
- Twomile RunRiver
- Twomile RunRiver
- Tycoon LakeReservoir
- Tylers RunRiver
- Tymochtee CreekRiver
- Tyson RunRiver
- Ueltsch RunRiver
- Uhl RunRiver
- Uke Ranch PondReservoir
- Ukranian Youth Camp LakeReservoir
- Ulrey RunRiver
- Union BranchRiver
- Union RunRiver
- Units 1-4 Bottom Ash PondReservoir
- Unity CreekRiverlive gauge
- University PondLake
- Upper Bear LakeReservoir
- Upper Diehl LakeLake
- Upper Girard LakeReservoir
- Upper Hickory Hills LakeReservoir
- Upper LickRiver
- Upper North ForkRiver
- Upper Prairie CreekRiver
- Upper ReservoirReservoir
- Upper Sand RunRiver
- Upper Sandusky ReservoirReservoirlive gauge
- Upper Shaker LakeReservoir
- Upper Sister CreekRiver
- Upper Twin CreekRiverlive gauge
- Upper Twin CreekRiverlive gauge
- Upper Wabash Number Three PondReservoir
- Upper Wabash Structure Number Two ReservoirReservoir
- Upper Woodsfield ReservoirReservoir
- Up RunRiver
- Utz RunRiver
- Valley LakeLake
- Valley LakeLake
- Valley RunRiver
- Valley View LakeLake
- Van Buren LakeReservoir
- Vance CreekRiver
- Vandergrift LakeReservoir
- Van Horn CreekRiver
- Van Horn PondReservoir
- Van Hyning CreekRiver
- Van Hyning RunRiverlive gauge
- Van Meter RunRiver
- Van Wert Reservoir Number OneReservoir
- Van Wert Reservoir Number TwoReservoir
- Varian LakeReservoir
- Vastine RunRiver
- Vaughters RunRiver
- Venisonham CreekRiver
- Verbsky CreekRiver
- Vermilion RiverRiverlive gauge
- Vesper LakeReservoir
- Veto LakeReservoir
- Victoria CreekRiver
- Vinegar RunRiver
- Virginia CreekRiver
- Vo-Ash LakeReservoir
- Von Gunten PondReservoir
- Wabash Conservancy District Structure ReservoirReservoir
- Wabash CreekRiver
- Wade CreekRiver
- Wade LagoonReservoir
- Waggoner RunRiver
- Wagner BranchRiver
- Wagner PondReservoir
- Wagner PondReservoir
- Wagner RunRiver
- Wakatomika CreekRiver
- Walborn ReservoirReservoir
- Walden LakeReservoir
- Walden RunRiver
- Walhalla CreekRiver
- Walhonding RiverRiverlive gauge
- Walker LakeLake
- Walker RunRiver
- Walker RunRiver
- Wallace ForkRiver
- Wallace LakeLake
- Wall CreekRiver
- Walleye LakeLake
- Wallin CreekRiver
- Walnutcamp RunRiver
- Walnut CreekRiverlive gauge
- Walnut CreekRiverlive gauge
- Walnut CreekRiver
- Walnut CreekRiver
- Walnut CreekRiver
- Walnut CreekRiver
- Walnut CreekRiver
- Walnut CreekRiver
- Walnut RunRiver
- Walnut RunRiver
- Walnut RunRiver
- Walton LakeLake
- Ward BranchRiver
- Ward BrookRiver
- Wards RunRiver
- Warpole CreekRiver
- Warren RunRiver
- Warrenton Farms PondReservoir
- Washburn RunRiver
- Washburn RunRiver
- Washington Court House ReservoirReservoir
- Waterfall LakeLake
- Watkins ForkRiver
- Watkins RunRiver
- Watson CreekRiver
- Watson CreekRiver
- Watson PondLake
- Watts RunRiver
- Waugh RunRiver
- Waupaca RunRiver
- Wauseon ReservoirReservoir
- Wauseon Reservoir Number TwoReservoir
- Wayne National Forest PondReservoir
- Wayne National Forest Pond 8623-Reservoir
- Weasel RunRiver
- Weaver RunRiver
- Webb RunRiver
- Webster RunRiver
- Weeping Rock CreekRiver
- Wegee CreekRiver
- Wehrles Pond (historical)Lake
- Weiser RunRiver
- Welch PondReservoir
- Wellington CreekRiver
- Wellington Reservoir Number TwoReservoir
- Wellington ReservoirsReservoir
- Wellington Upground ReservoirReservoir
- Wells CreekRiver
- Wells RunRiver
- Wells RunRiver
- Wells RunRiver
- Wellston ReservoirReservoir
- Wellsville City ReservoirReservoir
- Welsh RunRiver
- Wes RunRiver
- Wesselman CreekRiver
- West Bailey RunRiver
- West Branch Alum CreekRiverlive gauge
- West Branch Ashtabula RiverRiver
- West Branch Big CreekRiver
- West Branch Black RiverRiver
- West Branch Bullskin CreekRiver
- West Branch CreekRiver
- West Branch Cuyahoga RiverRiver
- West Branch Greenville CreekRiver
- West Branch Huron RiverRiverlive gauge
- West Branch Little Hocking RiverRiver
- West Branch Little Walnut CreekRiver
- West Branch Lost CreekRiver
- West Branch Mahoning RiverRiverlive gauge
- West Branch Margaret CreekRiver
- West Branch Meander CreekRiver
- West Branch Nimishillen CreekRiverlive gauge
- West Branch Prairie CreekRiver
- West Branch Raccoon CreekRiver
- West Branch Rattlesnake CreekRiver
- West Branch Rocky RiverRiverlive gauge
- West Branch Saint Joseph RiverRiverlive gauge
- West Branch Shade RiverRiver
- West Branch Sunday CreekRiverlive gauge
- West Branch Tontogany CreekRiver
- West Branch Wolf CreekRiver
- West CreekRiver
- West CreekRiver
- West CreekRiver
- West CreekRiverlive gauge
- Western Reserve LakeLake
- Westerville ReservoirReservoir
- West Fork Buckhorn CreekRiver
- West Fork Duck CreekRiverlive gauge
- West Fork Eagle CreekRiver
- West Fork East Branch Black RiverRiver
- West Fork East Fork Duck CreekRiver
- West Fork East Fork Little Miami RiverRiver
- West Fork Honey CreekRiver
- West Fork Little Beaver CreekRiver
- West Fork Mill CreekRiver
- West Fork Mill CreekRiverlive gauge
- West Fork Mill CreekRiver
- West Fork Oak Grove CreekRiver
- West Fork Ohio Brush CreekRiver
- West Fork Redoak CreekRiver
- West Fork Stateline CreekRiver
- West Fork Straight CreekRiver
- West Fork Walnut RunRiver
- West Fork White Eyes CreekRiver
- West Fork Yellow CreekRiver
- West Jennings CreekRiver
- West LakeLake
- West Milton Low Head ReservoirReservoir
- West ReservoirReservoir
- West Sippo CreekRiver
- Westville LakeReservoir
- Westwood LakeReservoir
- Wetmore CreekRiver
- Wheelabout CreekRiver
- Wheeler CreekRiver
- Wheeler CreekRiver
- Wheeler RunRiver
- Wheeling CreekRiverlive gauge
- Whetstone CreekRiver
- Whetstone CreekRiver
- Whetstone CreekRiver
- Whetstone RunRiver
- Whipple RunRiverlive gauge
- Whiskey RunRiver
- Whisky RunRiver
- Whispering Pines PondReservoir
- Whitakers RunRiver
- Whitakers RunRiver
- White Eyes CreekRiver
- White Eyes CreekRiver
- White Eyes CreekRiver
- White Gables LakesLake
- White LakeReservoir
- White Oak CreekRiver
- White Oak CreekRiver
- White PondReservoir
- White PondLake
- Whites RunRiver
- Whites RunRiver
- Whitewater CreekRiver
- Whitewater RiverRiver
- Wholebark RunRiver
- Widgeon PondReservoir
- Wiegand LakeLake
- Wiemeyer PondReservoir
- Wikoff RunRiver
- Wildcat CreekRiverlive gauge
- Wildcat CreekRiver
- Wildcat RunRiver
- Wildcat RunRiver
- Wildcat RunRiver
- Wild Cat RunRiver
- Wild Duck BranchRiver
- Wildlife Pond 1306-004Reservoir
- Wildlife Pond 9417-001Reservoir
- Wild Violet RunRiver
- Wildwood LakeReservoir
- Wilkins RunRiver
- Wilkum CreekRiver
- Willard City ReservoirReservoir
- Willard LakeReservoir
- Willey CreekRiver
- William H Harsha LakeReservoirlive gauge
- Williamsburg LakeReservoir
- Williams CreekRiver
- Williams CreekRiver
- Williams CreekRiver
- Williams ForkRiver
- Williams LakeLake
- Williamson RunRiver
- Williams RunRiver
- Williard RunRiver
- Willison RunRiver
- Willis RunRiver
- Willis RunRiver
- Will-O-Bob LakeReservoir
- Willow CreekRiver
- Willow CreekRiver
- Willow CreekRiver
- Willow CreekRiver
- Willow CreekRiver
- Willow CreekRiver
- Willowdale LakeLake
- Willow LakeLake
- Willow LakeLake
- Willow RunRiver
- Willow RunRiverlive gauge
- Willow Spring LakesLake
- Willow SwampRiver
- Wills CreekRiver
- Wills CreekRiver
- Wills Creek LakeReservoirlive gauge
- Wilmington Reservoir Number OneReservoir
- Wilmington Reservoir Number TwoReservoir
- Wilson CreekRiver
- Wilson CreekRiver
- Wilson CreekRiver
- Wilson RunRiver
- Wilson RunRiver
- Winandi ReservoirReservoir
- Winchester LakeReservoir
- Winding Creek Farms PondReservoir
- Winding ForkRiver
- Winding Trail LakeReservoir
- Wingett RunRiver
- Wingfoot LakeReservoir
- Wingfoot Lake OutletRiver
- Wintergreen RunRiver
- Winterset LakeReservoir
- Winterstein RunRiver
- Winton LakeReservoir
- Wise RunRiver
- Witch Hazel PondLake
- Withered RunRiver
- Witten ForkRiver
- Witten RunRiver
- Woheld LakeReservoir
- Wolf Basin (historical)Reservoir
- Wolf CreekRiver
- Wolf CreekRiver
- Wolf CreekRiver
- Wolf CreekRiver
- Wolf CreekRiver
- Wolf CreekRiver
- Wolf CreekRiverlive gauge
- Wolf CreekRiver
- Wolf CreekRiver
- Wolf CreekRiverlive gauge
- Wolf CreekRiver
- Wolf CreekRiver
- Wolf CreekRiver
- Wolf CreekRiverlive gauge
- Wolf CreekRiverlive gauge
- Wolf CreekRiver
- Wolf Creek PondLake
- Wolfden LakeReservoir
- Wolfden RunRiver
- Wolfe PondReservoir
- Wolfkiln RunRiver
- Wolf LakesReservoir
- Wolfpen CreekRiver
- Wolfpen RunRiver
- Wolfpen RunRiver
- Wolfpen RunRiver
- Wolfpen RunRiver
- Wolfpen RunRiver
- Wolfpen RunRiver
- Wolf RunRiver
- Wolf RunRiver
- Wolf RunRiver
- Wolf RunRiver
- Wolf RunRiver
- Wolf RunRiver
- Wolf RunRiver
- Wolf RunRiver
- Wolf RunRiver
- Wolf RunRiver
- Wolf RunRiver
- Wolf RunRiver
- Wolf RunRiver
- Wolf RunRiver
- Wolf RunRiver
- Wolf RunRiver
- Wolf RunRiver
- Wolf Run LakeReservoir
- Wolfs PlainsLake
- Wonder LakeLake
- Wood CreekRiver
- Woodcreek LakeReservoir
- Woodington RunRiver
- Wood LakeReservoir
- Woodland LakeReservoir
- Woodsfield ReservoirReservoir
- Woodside LakeReservoir
- Woods LakeLake
- Woods LakeLake
- Woods RunRiver
- Woods RunRiver
- Woodward CreekRiver
- Worley RunRiver
- Wrestle CreekRiver
- Wrights RunRiver
- Wuerdeman LakesReservoir
- Wulff RunRiver
- Wyatt RunRiver
- Wyckoffs RunRiver
- Wyleswood LakeReservoir
- Wyoga LakeLake
- Wysong RunRiver
- Yankee LakeReservoir
- Yankee RunRiver
- Yankee RunRiver
- Yankee RunRiver
- Yankey CreekRiver
- Yellow BranchRiver
- Yellowbud CreekRiver
- Yellowbush CreekRiver
- Yellow CreekRiver
- Yellow CreekRiverlive gauge
- Yellow CreekRiver
- Yellow CreekRiver
- Yellow CreekRiver
- Yellow Creek ReservoirReservoir
- Yellow PondLake
- Yellow RunRiver
- Yellow Springs CreekRiver
- Yellow SwaleRiver
- Yellow Water CreekRiver
- Yoker CreekRiver
- Yoker CreekRiver
- Yost RunRiver
- Youngs BranchRiver
- Yount PondReservoir
- Zepernick LakeReservoir
- Ziegler PondReservoir
- Zillig PondReservoir
- Zinns RunRiver
- Zoar LakeLake
- Zuber CutoffRiver
- Zuber Pond (historical)Reservoir