Select different State:
Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming| Black Brook Dike | Black Brook Dike | Geauga | 1125 | Mantua |
| Ellis Dam | Ellis Dam | Muskingum | 692 | Adamsville |
| Englewood Dam | Englewood Dam | Montgomery | 883 | Trotwood |
| Germantown Dam | Germantown Dam | Montgomery | 771 | Farmersville |
| Grand Rapids Dam | Grand Rapids Dam | Wood | 636 | Colton |
| Hannibal Locks and Dam | Hannibal Locks and Dam | Monroe | 617 | New Martinsville |
| Huffman Dam | Huffman Dam | Greene | 846 | Fairborn |
| Mohicanville Dam | Mohicanville Dam | Ashland | 974 | Loudonville |
| New Cumberland Lock and Dam | New Cumberland Lock and Dam | Jefferson | 646 | Wellsville |
| O'Shaughnessy Dam | O'Shaughnessy Dam | Delaware | 804 | Shawnee Hills |
| Piedmont Dam | Piedmont Dam | Harrison | 909 | Piedmont |
| Pike Island Lock and Dam | Pike Island Lock and Dam | Belmont | 643 | Tiltonsville |
| Pleasant Hill Dam | Pleasant Hill Dam | Ashland | 1083 | Jelloway |
| Pleasant Valley Dike | Pleasant Valley Dike | Muskingum | 817 | Dresden |
| Salt Fort Dam | Salt Fort Dam | Guernsey | 797 | Cambridge |
| West Fork Dam | West Fork Dam | Hamilton | 686 | Glendale |
| Wills Creek Dam | Wills Creek Dam | Coshocton | 761 | Wills Creek |
| Lock and Dam Number 20 (historical) | Lock and Dam Number 20 (historical) | Meigs | 581 | Lubeck |
| Lock and Dam Number 21 (historical) | Lock and Dam Number 21 (historical) | Meigs | 561 | Portland |
| Lock and Dam Number 24 (historical) | Lock and Dam Number 24 (historical) | Meigs | 545 | New Haven |
| Lock and Dam Number 23 (historical) | Lock and Dam Number 23 (historical) | Meigs | 558 | Ravenswood |
| Greenup Lock and Dam Number 30 (historical) | Greenup Lock and Dam Number 30 (historical) | Scioto | 512 | Greenup |
| Lock and Dam Number 22 (historical) | Lock and Dam Number 22 (historical) | Meigs | 558 | Ravenswood |
| Lock and Dam Number 8 (historical) | Lock and Dam Number 8 (historical) | Columbiana | 663 | East Liverpool South |
| Lock and Dam Number 13 (historical) | Lock and Dam Number 13 (historical) | Belmont | 623 | Moundsville |
| Lock and Dam Number 27 (historical) | Lock and Dam Number 27 (historical) | Lawrence | 518 | Barboursville |
| Lock and Dam Number 28 (historical) | Lock and Dam Number 28 (historical) | Lawrence | 518 | Catlettsburg |
| Lock and Dam Number 29 (historical) | Lock and Dam Number 29 (historical) | Lawrence | 518 | Catlettsburg |
| Lock and Dam Number 19 (historical) | Lock and Dam Number 19 (historical) | Washington | 581 | Little Hocking |
| Lock and Dam Number 18 (historical) | Lock and Dam Number 18 (historical) | Washington | 581 | Parkersburg |
| Lock and Dam Number 9 (historical) | Lock and Dam Number 9 (historical) | Jefferson | 646 | East Liverpool South |
| Lock and Dam Number 10 (historical) | Lock and Dam Number 10 (historical) | Jefferson | 643 | Knoxville |
| Lock and Dam Number 25 (historical) | Lock and Dam Number 25 (historical) | Gallia | 538 | Addison |
| Lock and Dam Number 26 (historical) | Lock and Dam Number 26 (historical) | Gallia | 535 | Apple Grove |
| Lockington Locks | Lockington Locks | Shelby | 869 | Piqua East |
| Dam Number 33 (historical) | Dam Number 33 (historical) | Adams | 486 | Maysville East |
| Lock and Dam Number 32 (historical) | Lock and Dam Number 32 (historical) | Adams | 486 | Buena Vista |
| Sixmile Dam | Sixmile Dam | Coshocton | 771 | Randle |
| Pancake Lock (historical) | Pancake Lock (historical) | Summit | 718 | Peninsula |
| Lock and Dam Number 37 (historical) | Lock and Dam Number 37 (historical) | Hamilton | 466 | Burlington |
| Lockington Dam | Lockington Dam | Shelby | 951 | Piqua East |
| Deep Lock (historical) | Deep Lock (historical) | Summit | 869 | Peninsula |
| Nashport Dike | Nashport Dike | Muskingum | 814 | Toboso |
| Captain Anthony Meldahl Lock and Dam | Captain Anthony Meldahl Lock and Dam | Clermont | 479 | Moscow |
| Hoover Dam | Hoover Dam | Franklin | 823 | Northeast Columbus |
| Julian Griggs Dam | Julian Griggs Dam | Franklin | 751 | Northwest Columbus |
| Milton Dam | Milton Dam | Mahoning | 906 | Newton Falls |
| Senecaville Dam | Senecaville Dam | Guernsey | 860 | Senecaville |
| Taylorsville Dam | Taylorsville Dam | Montgomery | 764 | Dayton North |
| Tuscarawas River Diversion Dam | Tuscarawas River Diversion Dam | Summit | 991 | Akron West |
| Lock and Dam Number 31 (historical) | Lock and Dam Number 31 (historical) | Scioto | 492 | Friendship |
| Lock and Dam Number 15 (historical) | Lock and Dam Number 15 (historical) | Monroe | 600 | New Martinsville |
| Lock Number 14 | Lock Number 14 | Auglaize | 843 | Moulton |
| Boston Lock | Boston Lock | Summit | 653 | Northfield |
| Lonesome Lock (historical) | Lonesome Lock (historical) | Summit | Unknown | |
| Red Lock (historical) | Red Lock (historical) | Summit | Unknown | |
| Wallace Lock (historical) | Wallace Lock (historical) | Summit | Unknown | |
| Dam Number 2 | Dam Number 2 | Washington | 594 | Marietta |
| Lock Fifteen | Lock Fifteen | Monroe | 600 | Round Bottom |
| Dover Dam | Dover Dam | Tuscarawas | 863 | Dover |
| Beach City Dam | Beach City Dam | Tuscarawas | 994 | Navarre |
| Atwood Dam | Atwood Dam | Tuscarawas | 925 | Mineral City |
| Dillon Dam | Dillon Dam | Muskingum | 735 | Zanesville West |
| Deercreek Dam | Deercreek Dam | Pickaway | 807 | Clarksburg |
| North Branch of Kokosing Dam | North Branch of Kokosing Dam | Knox | 1142 | Bellville |
| Tappan Dam | Tappan Dam | Harrison | 896 | Deersville |
| Leesville Dam | Leesville Dam | Fairfield | 981 | Bowerston |
| Delaware Dam | Delaware Dam | Delaware | 879 | Delaware |
| Mohawk Dam | Mohawk Dam | Coshocton | 869 | Warsaw |
| Paint Creek Dam | Paint Creek Dam | Highland | 820 | South Salem |
| Tom Jenkins Dam | Tom Jenkins Dam | Athens | 728 | Corning |
| Charles Mill Dam | Charles Mill Dam | Ashland | 1033 | Perrysville |
| Zoar Levee Diversion Dam | Zoar Levee Diversion Dam | Tuscarawas | 869 | Dover |
| Sun Valley Lake Dam | Sun Valley Lake Dam | Ross | 761 | Andersonville |
| Caldwell Lake Dam | Caldwell Lake Dam | Ross | 722 | Waverly North |
| Stewart Lake Dam | Stewart Lake Dam | Ross | 879 | Waverly North |
| Mead Foremens Club Pond Dam | Mead Foremens Club Pond Dam | Ross | 751 | Waverly North |
| Pine Lake Dam | Pine Lake Dam | Ross | 791 | Laurelville |
| Christian Union Church Lake Dam | Christian Union Church Lake Dam | Ross | 1037 | Morgantown |
| Clarence J Brown Dam | Clarence J Brown Dam | Clark | 1007 | New Moorefield |
| West Fork of Mill Creek Dam | West Fork of Mill Creek Dam | Hamilton | 692 | Glendale |
| Michael J Kirwan Dam | Michael J Kirwan Dam | Portage | 951 | Windham |
| Mosquito Creek Dam | Mosquito Creek Dam | Trumbull | 912 | Champion |
| Berlin Dam | Berlin Dam | Portage | 1017 | Deerfield |
| Broken Aro Slurry Dam Number One | Broken Aro Slurry Dam Number One | Coshocton | 876 | Conesville |
| Broken Aro Slurry Dam Number Two | Broken Aro Slurry Dam Number Two | Coshocton | 879 | Conesville |
| Broken Aro Slurry Dam Number Three | Broken Aro Slurry Dam Number Three | Coshocton | 922 | Conesville |
| Broken Aro Slurry Dam Number Four | Broken Aro Slurry Dam Number Four | Coshocton | 981 | Conesville |
| Sunset Lake Dam | Sunset Lake Dam | Coshocton | 823 | Randle |
| Lake Wapusun Dam | Lake Wapusun Dam | Wayne | 1135 | Shreve |
| Boreman Lake Dam | Boreman Lake Dam | Wayne | 1122 | West Salem |
| Lake Sylvan Dam | Lake Sylvan Dam | Clark | 1191 | South Vienna |
| Camp Seneca Lake Dam | Camp Seneca Lake Dam | Guernsey | 804 | Senecaville |
| Cambridge City Reservoir Dam | Cambridge City Reservoir Dam | Guernsey | 830 | Cambridge |
| B & O Railroad Pond Dam | B & O Railroad Pond Dam | Guernsey | 922 | Quaker City |
| Culbertson Farm Lake Dam | Culbertson Farm Lake Dam | Guernsey | 784 | Cambridge |
| Hidden Haven Lake Dam | Hidden Haven Lake Dam | Guernsey | 958 | Freeport |
| Bishard Pond Dam | Bishard Pond Dam | Guernsey | 768 | Kimbolton |
| Spring Lake Dam | Spring Lake Dam | Guernsey | 961 | New Concord |
| Luburgh Lake Dam | Luburgh Lake Dam | Guernsey | 846 | New Concord |
| Porter Lake Dam | Porter Lake Dam | Muskingum | 981 | Gratiot |
| Diehr Lake Dam | Diehr Lake Dam | Muskingum | 846 | Zanesville West |
| Avondale Wildlife Area Dam Number Two | Avondale Wildlife Area Dam Number Two | Muskingum | 840 | Crooksville |
| Avondale Wildlife Area Dam Number One | Avondale Wildlife Area Dam Number One | Muskingum | 925 | Crooksville |
| Ohio Power Company Dam Number Three | Ohio Power Company Dam Number Three | Muskingum | 840 | Little Hocking |
| Bakers Pond Dam | Bakers Pond Dam | Muskingum | 827 | Norwich |
| Blue Rock Lake Dam | Blue Rock Lake Dam | Muskingum | 896 | Ruraldale |
| New Concord Village Reservoir Dam | New Concord Village Reservoir Dam | Muskingum | 879 | Otsego |
| Lake Buckhorn Dam | Lake Buckhorn Dam | Holmes | 830 | Killbuck |
| Hickory Lake Dam | Hickory Lake Dam | Holmes | 997 | Killbuck |
| Coy Lake Dam | Coy Lake Dam | Holmes | 1040 | Greer |
| Tranquil Valley Lake Dam | Tranquil Valley Lake Dam | Holmes | 978 | Berlin |
| Silver Creek Dam | Silver Creek Dam | Madison | 889 | Galloway |
| Lake Choctaw Dam | Lake Choctaw Dam | Madison | 1053 | London |
| Edwin Naus Lake Dam | Edwin Naus Lake Dam | Wyandot | 935 | Morral |
| Upper Sandusky Reservoir Dam | Upper Sandusky Reservoir Dam | Wyandot | 827 | Upper Sandusky |
| Sproat Lake Dam | Sproat Lake Dam | Vinton | 630 | Byer |
| Lake Hope Dam | Lake Hope Dam | Vinton | 709 | Mineral |
| Lake Rupert Dam | Lake Rupert Dam | Vinton | 718 | Hamden |
| Lake Alma Dam | Lake Alma Dam | Vinton | 686 | Hamden |
| Lake Hill Dam | Lake Hill Dam | Ross | 814 | Frankfort |
| Rustic Acres Lake Dam | Rustic Acres Lake Dam | Ross | 860 | Andersonville |
| Stroman Lake Dam | Stroman Lake Dam | Champaign | 1168 | Saint Paris |
| Columbus and Southern Ohio Electric Company Ash Pond Dam | Columbus and Southern Ohio Electric Company Ash Pond Dam | Athens | 764 | Nelsonville |
| Modoc Reservoir Dam | Modoc Reservoir Dam | Athens | 846 | Nelsonville |
| Athens Fish and Game Club Lake Dam | Athens Fish and Game Club Lake Dam | Athens | 778 | Mineral |
| Matters Pond Dam | Matters Pond Dam | Athens | 787 | Athens |
| Slater Brothers Pond Dam | Slater Brothers Pond Dam | Athens | 735 | Athens |
| Strouds Run Dam | Strouds Run Dam | Athens | 659 | Athens |
| Strahler Pond Dam | Strahler Pond Dam | Washington | 807 | Lowell |
| Lakeside Motel Pond Dam | Lakeside Motel Pond Dam | Washington | 656 | Lowell |
| Wagner Pond Dam | Wagner Pond Dam | Washington | 810 | Watertown |
| Goodfellows Park Lake Dam | Goodfellows Park Lake Dam | Washington | 764 | Fleming |
| Cyanamid Corporation Pond Dam | Cyanamid Corporation Pond Dam | Washington | 643 | Marietta |
| Badger Lake Dam | Badger Lake Dam | Washington | 837 | Cutler |
| Schneider Lake Dam | Schneider Lake Dam | Ashland | 1181 | Jelloway |
| Jacobs Lake Dam | Jacobs Lake Dam | Ashland | 1178 | Ashland South |
| Cinnamon Lake Dam | Cinnamon Lake Dam | Ashland | 1161 | Polk |
| Starkey Pond Dam | Starkey Pond Dam | Ashland | 1224 | Polk |
| Nova Pond Dam | Nova Pond Dam | Ashland | 1119 | Nova |
| Marks Lake Dam | Marks Lake Dam | Ashland | 1063 | Olivesburg |
| Uke Ranch Pond Dam | Uke Ranch Pond Dam | Ashland | 1010 | New London |
| Crall Pond Dam | Crall Pond Dam | Ashland | 1056 | New London |
| Mathews Pond Dam | Mathews Pond Dam | Noble | 876 | Caldwell North |
| Rustic Lake Dam | Rustic Lake Dam | Lorain | 1060 | Sullivan |
| Loretta Lake Dam | Loretta Lake Dam | Lorain | 1037 | Sullivan |
| Firelands Boy Scout Lake Dam | Firelands Boy Scout Lake Dam | Lorain | 840 | Kipton |
| Clare Mar Camp Lake Dam | Clare Mar Camp Lake Dam | Lorain | 1053 | Nova |
| Taylor Lake Dam | Taylor Lake Dam | Lorain | 1066 | Sullivan |
| Ukranian Youth Camp Lake Dam | Ukranian Youth Camp Lake Dam | Lorain | 866 | Nova |
| Eppley Pond Dam | Eppley Pond Dam | Lorain | 827 | Lagrange |
| Ponderosa Pines Lake Dam | Ponderosa Pines Lake Dam | Lorain | 833 | Wellington |
| Oberlin Upground Reservoir Dam | Oberlin Upground Reservoir Dam | Lorain | 794 | Oberlin |
| Oberlin Reservoir Dam | Oberlin Reservoir Dam | Lorain | 807 | Oberlin |
| Brentwood Lake Dam | Brentwood Lake Dam | Lorain | 761 | Grafton |
| Lake Haven Estates Dam | Lake Haven Estates Dam | Lorain | 607 | Vermilion East |
| Rod Lake Dam | Rod Lake Dam | Jefferson | 945 | Salineville |
| Bowers Pond Dam | Bowers Pond Dam | Jefferson | 1043 | Richmond |
| Jefferson Sportsmens Lake Number Three Dam | Jefferson Sportsmens Lake Number Three Dam | Jefferson | 1125 | Smithfield |
| Jefferson Sportsmens Lake Number One Dam | Jefferson Sportsmens Lake Number One Dam | Jefferson | 1063 | Smithfield |
| Friendship Park Lake Dam | Friendship Park Lake Dam | Jefferson | 1010 | Smithfield |
| Malabu Lake Dam | Malabu Lake Dam | Jefferson | 1132 | Smithfield |
| Dorothy Mine Pond Dam | Dorothy Mine Pond Dam | Jefferson | 932 | Dillonvale |
| Dunglen Mine Impoundment Dam | Dunglen Mine Impoundment Dam | Jefferson | 932 | Dillonvale |
| Seleski Pond Dam | Seleski Pond Dam | Harrison | 1024 | Harrisville |
| Georgetown Plant Lower Supply Dam | Georgetown Plant Lower Supply Dam | Harrison | 1066 | Harrisville |
| Georgetown Plant Upper Supply Dam | Georgetown Plant Upper Supply Dam | Harrison | 1079 | Harrisville |
| Sparrow Reservoir Dam | Sparrow Reservoir Dam | Harrison | 1079 | Cadiz |
| Cadiz Country Club Lake Dam | Cadiz Country Club Lake Dam | Harrison | 1076 | Cadiz |
| Croskey Pond Dam | Croskey Pond Dam | Harrison | 1079 | Cadiz |
| Foster Lake Dam | Foster Lake Dam | Harrison | 1001 | Jewett |
| Harris Pond Dam | Harris Pond Dam | Harrison | 1112 | Jewett |
| Sally Buffalo Park Dam | Sally Buffalo Park Dam | Harrison | 1076 | Jewett |
| Scio Pottery Pond Dam | Scio Pottery Pond Dam | Harrison | 991 | Scio |
| Bowers Lake Dam | Bowers Lake Dam | Lawrence | 705 | Catlettsburg |
| Lake Forest Dam | Lake Forest Dam | Lawrence | 610 | Aid |
| Brammer Pond Dam | Brammer Pond Dam | Lawrence | 735 | Kitts Hill |
| Lake Vesuvius Dam | Lake Vesuvius Dam | Lawrence | 666 | Ironton |
| Payne Lake Dam | Payne Lake Dam | Lawrence | 656 | Waterloo |
| Lawco Lake Dam | Lawco Lake Dam | Lawrence | 597 | Pedro |
| Barhorst Lake Dam | Barhorst Lake Dam | Shelby | 945 | Osgood |
| Powers Upground Reservoir Dam | Powers Upground Reservoir Dam | Crawford | 1158 | Galion |
| Bucyrus Reservoir Number One Dam | Bucyrus Reservoir Number One Dam | Crawford | 1014 | Bucyrus |
| Bucyrus Reservoir Number Two Dam | Bucyrus Reservoir Number Two Dam | Crawford | 988 | Bucyrus |
| Riley Reservoir Dam | Riley Reservoir Dam | Crawford | 1033 | Bucyrus |
| Paradise Lakes-North Lake Dam | Paradise Lakes-North Lake Dam | Preble | 945 | West Elkton |
| Paradise Lakes-South Lake Dam | Paradise Lakes-South Lake Dam | Preble | 945 | West Elkton |
| Lake Lakengren Dam | Lake Lakengren Dam | Preble | 1001 | Eaton South |
| Thor Lake Dam | Thor Lake Dam | Preble | 1076 | Eaton South |
| Lake Valhalla Dam | Lake Valhalla Dam | Preble | 1053 | Eaton South |
| Mystic Lake Dam | Mystic Lake Dam | Preble | 935 | Eaton South |
| Cross Pond Dam | Cross Pond Dam | Preble | 955 | Eaton South |
| Georgetown Upground Reservoir Dam | Georgetown Upground Reservoir Dam | Brown | 659 | Higginsport |
| Lake Waynoka Dam | Lake Waynoka Dam | Brown | 1001 | Ash Ridge |
| Lake Waynoka Retention Dam | Lake Waynoka Retention Dam | Brown | 981 | Ash Ridge |
| Lake Waynoka Upground Reservoir Dam | Lake Waynoka Upground Reservoir Dam | Brown | 997 | Ash Ridge |
| Grant Lake Dam | Grant Lake Dam | Brown | 791 | Hamersville |
| Brodie Lake Dam | Brodie Lake Dam | Brown | 846 | Bethel |
| Dieckbrader Lake Dam | Dieckbrader Lake Dam | Brown | 935 | Fayetteville |
| Lake Lorelei Dam | Lake Lorelei Dam | Brown | 922 | Fayetteville |
| Lake Fichtelberg Dam | Lake Fichtelberg Dam | Brown | 951 | Fayetteville |
| Winandi Lake Dam | Winandi Lake Dam | Brown | 955 | Fayetteville |
| Evans Lake Dam | Evans Lake Dam | Brown | 948 | Fayetteville |
| Highland Greens Apartments Dam | Highland Greens Apartments Dam | Butler | 817 | Glendale |
| Tanglewood Lake Dam | Tanglewood Lake Dam | Butler | 610 | Greenhills |
| Camp Ross Trails Lake Dam | Camp Ross Trails Lake Dam | Butler | 702 | Shandon |
| Trenton Sportsmen Club Lake Dam | Trenton Sportsmen Club Lake Dam | Butler | 823 | Hamilton |
| Island Fishing Lakes Dam | Island Fishing Lakes Dam | Butler | 869 | Millville |
| Black Lake Dam | Black Lake Dam | Butler | 699 | Middletown |
| Middletown Sportsmen Club Dam | Middletown Sportsmen Club Dam | Butler | 820 | Middletown |
| Will-O-Bob Lake Dam | Will-O-Bob Lake Dam | Butler | 791 | Middletown |
| Middletown Park District Lake Dam | Middletown Park District Lake Dam | Butler | 820 | Logan |
| Greenbriar Lake Dam | Greenbriar Lake Dam | Butler | 830 | West Elkton |
| Doughman Lake Dam | Doughman Lake Dam | Butler | 751 | West Elkton |
| Miamiview Golf Course Pond Dam Number One | Miamiview Golf Course Pond Dam Number One | Hamilton | 699 | Addyston |
| Miamiview Golf Course Pond Dam Number Two | Miamiview Golf Course Pond Dam Number Two | Hamilton | 663 | Addyston |
| Lake Louise Dam | Lake Louise Dam | Hamilton | 594 | Newport |
| Gier Pond Dam | Gier Pond Dam | Hamilton | 843 | Madeira |
| Zillig Pond Dam | Zillig Pond Dam | Hamilton | 863 | Addyston |
| Coldstream Country Club Lake Dam | Coldstream Country Club Lake Dam | Hamilton | 778 | Withamsville |
| Apple Hill Farm Lake Dam | Apple Hill Farm Lake Dam | Hamilton | 594 | Newport |
| Sharon Lake Dam | Sharon Lake Dam | Hamilton | 741 | Glendale |
| Miami Whitewater Forest Dam | Miami Whitewater Forest Dam | Hamilton | 554 | Shandon |
| Knechtly Pond Dam | Knechtly Pond Dam | Hamilton | 840 | Mason |
| Pine Lake Dam | Pine Lake Dam | Pike | 617 | Waverly South |
| Atomic Energy Commission Dam | Atomic Energy Commission Dam | Pike | 682 | Waverly South |
| Atomic Energy Commission Pond Dam | Atomic Energy Commission Pond Dam | Pike | 676 | Waverly South |
| Cave Lake Dam | Cave Lake Dam | Pike | 843 | Byington |
| Longs Retreat Dam | Longs Retreat Dam | Pike | 797 | Byington |
| Hay Hollow Reservoir Dam | Hay Hollow Reservoir Dam | Pike | 722 | Richmond Dale |
| Pike Lake Dam | Pike Lake Dam | Pike | 814 | Morgantown |
| Porter Pond Dam | Porter Pond Dam | Meigs | 748 | Ravenswood |
| Royal Oak Lake Dam | Royal Oak Lake Dam | Meigs | 810 | Chester |
| Lambert Pond Dam | Lambert Pond Dam | Meigs | 732 | Rutland |
| Upper Hickory Hills Lake Dam | Upper Hickory Hills Lake Dam | Meigs | 669 | Coolville |
| Lower Hickory Hills Lake Dam | Lower Hickory Hills Lake Dam | Meigs | 692 | Coolville |
| Shawnee Lake Dam | Shawnee Lake Dam | Greene | 1014 | Cedarville |
| Bartley Pond Dam | Bartley Pond Dam | Greene | 997 | Cedarville |
| Tubaugh Lake Dam | Tubaugh Lake Dam | Monroe | 922 | Round Bottom |
| Lower Woodsfield Reservoir Dam | Lower Woodsfield Reservoir Dam | Monroe | 1004 | Woodsfield |
| Stevens Pond Dam | Stevens Pond Dam | Monroe | 1165 | Woodsfield |
| Upper Woodsfield Reservoir Dam | Upper Woodsfield Reservoir Dam | Monroe | 1129 | Woodsfield |
| Stires Lake Dam | Stires Lake Dam | Monroe | 1148 | Lewisville |
| Staples Pond Dam | Staples Pond Dam | Huron | 961 | New London |
| Greenwich Reservoir Dam | Greenwich Reservoir Dam | Huron | 863 | New Riegel |
| Willard Lake Dam | Willard Lake Dam | Huron | 810 | Willard |
| Camp Conger Lake Dam | Camp Conger Lake Dam | Huron | 879 | Willard |
| B & O Railroad Pond 1026-001 Dam | B & O Railroad Pond 1026-001 Dam | Huron | 892 | Centerton |
| White Pond Dam | White Pond Dam | Huron | 932 | Clarksfield |
| Holiday Lake Dam | Holiday Lake Dam | Huron | 833 | Willard |
| B & O Railroad Pond 1025-006 Dam | B & O Railroad Pond 1025-006 Dam | Huron | 892 | Willard |
| Bass Lake Dam | Bass Lake Dam | Huron | 866 | Willard |
| Contractors Realty Corporation Pond Dam | Contractors Realty Corporation Pond Dam | Huron | 669 | Monroeville |
| Squaw Valley Lake Dam | Squaw Valley Lake Dam | Stark | 1056 | Malvern |
| Hill Pond Dam | Hill Pond Dam | Stark | 1050 | Malvern |
| City of Canton Sludge Pond Dam | City of Canton Sludge Pond Dam | Stark | 994 | Waynesburg |
| Fry Pond Dam | Fry Pond Dam | Stark | 981 | Waynesburg |
| North Industry Sportsmans Club Dam | North Industry Sportsmans Club Dam | Stark | 997 | Bolivar |
| Vandergrift Lake Dam | Vandergrift Lake Dam | Stark | 1089 | Homeworth |
| Brocklehurst Lake Dam | Brocklehurst Lake Dam | Stark | 1112 | Homeworth |
| Maple Leaf Lake Dam | Maple Leaf Lake Dam | Stark | 1093 | Robertsville |
| Varian Lake Dam | Varian Lake Dam | Stark | 1158 | Canton East |
| Timken Lake Dam | Timken Lake Dam | Stark | 1033 | Canton West |
| Lake Cable Dam | Lake Cable Dam | Stark | 1093 | Canton West |
| Lake O'Springs Dam | Lake O'Springs Dam | Stark | 1106 | Canton West |
| Clays Park Lake Dam | Clays Park Lake Dam | Stark | 948 | Massillon |
| Ilg Pond Dam | Ilg Pond Dam | Stark | 991 | Massillon |
| Dale Walborn Reservoir Dam | Dale Walborn Reservoir Dam | Stark | 1099 | Limaville |
| France Lake Dam | France Lake Dam | Stark | 1102 | Limaville |
| Congress Lake Dam | Congress Lake Dam | Stark | 1152 | Hartville |
| Willowdale Lake Dam | Willowdale Lake Dam | Stark | 1066 | North Canton |
| Lake Lucern Dam | Lake Lucern Dam | Stark | 942 | Canal Fulton |
| Ohnoname 10 Dam | Ohnoname 10 Dam | Stark | 958 | Canal Fulton |
| Camp Otterbein Lake Dam | Camp Otterbein Lake Dam | Hocking | 755 | Union Furnace |
| Hidden Lake Dam | Hidden Lake Dam | Hocking | 942 | New Plymouth |
| Hocking Hills Reservoir Dam | Hocking Hills Reservoir Dam | Hocking | 922 | South Bloomingville |
| Central Ohio Council BSA Pond Dam | Central Ohio Council BSA Pond Dam | Hocking | 866 | Gore |
| Lake of Four Seasons Dam | Lake of Four Seasons Dam | Hocking | 801 | Bremen |
| Lake Tomahawk Dam | Lake Tomahawk Dam | Hocking | 833 | Bremen |
| Dodge Pond Dam | Dodge Pond Dam | Adams | 948 | West Union |
| Mineral Springs Lake Dam | Mineral Springs Lake Dam | Adams | 781 | Jaybird |
| Laycocks Farm Pond Dam Number One | Laycocks Farm Pond Dam Number One | Adams | 823 | Peebles |
| Laycocks Farm Pond Dam Number Two | Laycocks Farm Pond Dam Number Two | Adams | 784 | Peebles |
| Winchester Lake Dam | Winchester Lake Dam | Adams | 971 | Winchester |
| Bar-E Club Lake Dam | Bar-E Club Lake Dam | Darke | 1010 | Rossburg |
| Adams Lake Dam | Adams Lake Dam | Adams | 761 | West Union |
| Lake Logan Dam | Lake Logan Dam | Hocking | 745 | Logan |
| Goldman Pond Dam | Goldman Pond Dam | Clermont | 863 | Laurel |
| Owensville Lake Dam | Owensville Lake Dam | Clermont | 830 | Batavia |
| Cincinnati Nature Center Lake Dam | Cincinnati Nature Center Lake Dam | Clermont | 682 | Batavia |
| Glen Ridge Lake Dam | Glen Ridge Lake Dam | Clermont | 810 | Withamsville |
| Stonelick Lake Dam | Stonelick Lake Dam | Clermont | 886 | Newtonsville |
| Heritage Lake Dam | Heritage Lake Dam | Clermont | 718 | Goshen |
| Syrian Shrine Oasis Lake Dam | Syrian Shrine Oasis Lake Dam | Clermont | 823 | Madeira |
| Wiemeyer Pond Dam | Wiemeyer Pond Dam | Clermont | 820 | Goshen |
| Sumner Pond Dam | Sumner Pond Dam | Clermont | 804 | Goshen |
| Lake Cast-A-Line Dam | Lake Cast-A-Line Dam | Clermont | 781 | Madeira |
| Mullberry Hills Pond Dam | Mullberry Hills Pond Dam | Clermont | 784 | Madeira |
| Halley Pond Dam | Halley Pond Dam | Morgan | 968 | Stockport |
| Wildlife Pond Dam 9417-001 | Wildlife Pond Dam 9417-001 | Morgan | 837 | Ringgold |
| Comstock Pond Dam | Comstock Pond Dam | Morgan | 833 | Ringgold |
| Crooksville Reservoir Number One Dam | Crooksville Reservoir Number One Dam | Morgan | 889 | Crooksville |
| Crooksville Reservoir Number Two Dam | Crooksville Reservoir Number Two Dam | Morgan | 922 | Crooksville |
| Camp Francis Asbury Pond Dam | Camp Francis Asbury Pond Dam | Gallia | 699 | Patriot |
| Wayne National Forest Pond 8623-002 Dam | Wayne National Forest Pond 8623-002 Dam | Gallia | 679 | Patriot |
| Tycoon Lake - South Dam | Tycoon Lake - South Dam | Gallia | 600 | Vinton |
| Clark Chapel Acres Recreation Pond Dam | Clark Chapel Acres Recreation Pond Dam | Gallia | 636 | Vinton |
| Rio Grande Reservoir Dam | Rio Grande Reservoir Dam | Gallia | 669 | Rio Grande |
| Roosevelt Lake Dam | Roosevelt Lake Dam | Scioto | 676 | Pond Run |
| South Webster Reservoir Dam | South Webster Reservoir Dam | Scioto | 653 | South Webster |
| Scioto Hills Baptist Camp Lake Dam | Scioto Hills Baptist Camp Lake Dam | Scioto | 692 | Minford |
| Lake Margaret Dam | Lake Margaret Dam | Scioto | 568 | New Boston |
| Elks Country Club Dam | Elks Country Club Dam | Scioto | 554 | West Portsmouth |
| Lake Frasure Dam | Lake Frasure Dam | Scioto | 541 | Wakefield |
| Belmont Lake Dam | Belmont Lake Dam | Belmont | 1089 | Bethesda |
| Bethesda Reservoir Dam | Bethesda Reservoir Dam | Belmont | 1184 | Bethesda |
| B & O Railroad Pond Dam | B & O Railroad Pond Dam | Belmont | 951 | Flushing |
| Switzerland Lake Dam | Switzerland Lake Dam | Belmont | 1135 | Woodsfield |
| Blatt Pond Dam | Blatt Pond Dam | Belmont | 1125 | Woodsfield |
| Bethesda Sportsmans Club Pond Dam | Bethesda Sportsmans Club Pond Dam | Belmont | 1109 | Hunter |
| Barnesville Reservoir Number One Dam | Barnesville Reservoir Number One Dam | Belmont | 1158 | Barnesville |
| Barnesville Reservoir Number Two Dam | Barnesville Reservoir Number Two Dam | Belmont | 1122 | Barnesville |
| Lake of the Woods Dam | Lake of the Woods Dam | Highland | 886 | Belfast |
| Rocky Fork Lake Dam | Rocky Fork Lake Dam | Highland | 879 | Rainsboro |
| Hickory Hills Lake Dam | Hickory Hills Lake Dam | Highland | 876 | Rainsboro |
| Hillsboro Reservoir Dam | Hillsboro Reservoir Dam | Highland | 1010 | Hillsboro |
| Armco Pond Dam | Armco Pond Dam | Highland | 978 | Leesburg |
| Kornvolt Farms Pond Dam | Kornvolt Farms Pond Dam | Highland | 1030 | Leesburg |
| Wellsville Reservoir Dam | Wellsville Reservoir Dam | Columbiana | 935 | Wellsville |
| Lake Cha-Vel Dam | Lake Cha-Vel Dam | Columbiana | 1142 | West Point |
| Lake Samary Dam | Lake Samary Dam | Columbiana | 1004 | West Point |
| Bibbees Little Rock Lake Dam | Bibbees Little Rock Lake Dam | Columbiana | 1060 | West Point |
| Industrial Mining Lake Dam | Industrial Mining Lake Dam | Columbiana | 1066 | Gavers |
| Manfull Lake Dam | Manfull Lake Dam | Columbiana | 1145 | Kensington |
| Summitville Clay Products Lake Dam | Summitville Clay Products Lake Dam | Columbiana | 1109 | Kensington |
| Lake Tomahawk Dam | Lake Tomahawk Dam | Columbiana | 1168 | East Palestine |
| Caldwell Spring Lake Dam | Caldwell Spring Lake Dam | Columbiana | 1096 | East Palestine |
| Gould Pond Dam | Gould Pond Dam | Columbiana | 1119 | East Palestine |
| Lake Copeland Dam | Lake Copeland Dam | Columbiana | 1073 | Elkton |
| Mints Pine Acres Lake Dam | Mints Pine Acres Lake Dam | Columbiana | 1040 | Elkton |
| Peterson Pond Dam | Peterson Pond Dam | Columbiana | 1112 | Elkton |
| Salem Reservoir South Embankment Dam | Salem Reservoir South Embankment Dam | Columbiana | 1148 | Lisbon |
| Spring Valley Park Lake Dam | Spring Valley Park Lake Dam | Columbiana | 1197 | Lisbon |
| Big Rock Lake Dam | Big Rock Lake Dam | Columbiana | 1152 | Lisbon |
| Smith Pond Dam | Smith Pond Dam | Columbiana | 1211 | Lisbon |
| Lake P'na Dam | Lake P'na Dam | Columbiana | 1237 | Hanoverton |
| Paradise Lake Dam | Paradise Lake Dam | Columbiana | 1211 | Hanoverton |
| Lake Placentia Dam | Lake Placentia Dam | Columbiana | 1089 | Hanoverton |
| Slates Dam | Slates Dam | Columbiana | 1207 | Hanoverton |
| Woodland Lake Dam | Woodland Lake Dam | Columbiana | 1155 | Homeworth |
| Go-Tag-A-Long Lake Dam | Go-Tag-A-Long Lake Dam | Columbiana | 1122 | New Middletown |
| Beaver Lake Dam | Beaver Lake Dam | Columbiana | 1096 | Columbiana |
| Westville Reservoir Dam | Westville Reservoir Dam | Columbiana | 1096 | Alliance |
| Coalburg Lake Dam | Coalburg Lake Dam | Trumbull | 978 | Sharon West |
| Kirila Pond Dam | Kirila Pond Dam | Trumbull | 1030 | Sharon West |
| Squaw Valley Park Lake Dam | Squaw Valley Park Lake Dam | Trumbull | 1070 | Girard |
| Mineral Ridge Dam | Mineral Ridge Dam | Trumbull | 906 | Warren |
| Westwood Lake Dam | Westwood Lake Dam | Trumbull | 866 | Warren |
| Newton Falls Dam | Newton Falls Dam | Trumbull | 886 | Newton Falls |
| Yankee Lake Dam | Yankee Lake Dam | Trumbull | 935 | Orangeville |
| Herr Pond Dam | Herr Pond Dam | Trumbull | 1030 | Cortland |
| Yount Pond Dam | Yount Pond Dam | Trumbull | 906 | Champion |
| Wildlife Pond 1306-004 Dam | Wildlife Pond 1306-004 Dam | Trumbull | 912 | Bristolville |
| Coppedge Pond Dam | Coppedge Pond Dam | Trumbull | 863 | West Farmington |
| Apple Valley Lake Dam | Apple Valley Lake Dam | Knox | 1043 | Danville |
| Lake Viering Dam | Lake Viering Dam | Knox | 1240 | Jelloway |
| Edward Smith Lake Dam | Edward Smith Lake Dam | Knox | 1197 | Butler |
| Lake Erie Girl Scout Lake Dam | Lake Erie Girl Scout Lake Dam | Lake | 1037 | Thompson |
| Cloverdale Lake Dam | Cloverdale Lake Dam | Lake | 699 | Painesville |
| Echo Hills Lake Number One Dam | Echo Hills Lake Number One Dam | Cuyahoga | 843 | Northfield |
| Hayes Lake Dam | Hayes Lake Dam | Cuyahoga | 919 | Broadview Heights |
| Lower Shaker Lake Dam | Lower Shaker Lake Dam | Cuyahoga | 899 | Shaker Heights |
| Upper Shaker Lake Dam | Upper Shaker Lake Dam | Cuyahoga | 978 | Shaker Heights |
| Chase Bag Company Lower Lake Dam | Chase Bag Company Lower Lake Dam | Cuyahoga | 932 | Chagrin Falls |
| Chase Bag Company Upper Lake Dam | Chase Bag Company Upper Lake Dam | Cuyahoga | 961 | Chagrin Falls |
| Shangri-La Ski Club Dam | Shangri-La Ski Club Dam | Geauga | 1070 | Garrettsville |
| Beartown Lake Dam | Beartown Lake Dam | Geauga | 1099 | Aurora |
| Lake Lucerne Dam | Lake Lucerne Dam | Geauga | 1043 | South Russell |
| Tanglewood Lake Dam | Tanglewood Lake Dam | Geauga | 1112 | South Russell |
| Bellwood Lake Dam | Bellwood Lake Dam | Geauga | 1145 | South Russell |
| Lake Louise Dam | Lake Louise Dam | Geauga | 1152 | South Russell |
| Ohnoname 15 Dam | Ohnoname 15 Dam | Geauga | 1135 | South Russell |
| Kenston Lake Dam | Kenston Lake Dam | Geauga | 1096 | South Russell |
| Ohnoname 16 Dam | Ohnoname 16 Dam | Geauga | 942 | Chagrin Falls |
| Montmere Lake Dam | Montmere Lake Dam | Geauga | 1093 | Thompson |
| Kittredge Pond Dam | Kittredge Pond Dam | Geauga | 1135 | Thompson |
| Lake Greenbriar Dam | Lake Greenbriar Dam | Tuscarawas | 886 | Gnadenhutten |
| Welch Pond Dam | Welch Pond Dam | Tuscarawas | 830 | Newcomerstown |
| Cross Creek Coal Company Dam 0314-001 | Cross Creek Coal Company Dam 0314-001 | Tuscarawas | 942 | Stone Creek |
| Pine Lake Dam | Pine Lake Dam | Tuscarawas | 1024 | Stone Creek |
| Farm Lake Dam | Farm Lake Dam | Tuscarawas | 1004 | Stone Creek |
| Marsh Pond Dam | Marsh Pond Dam | Tuscarawas | 991 | Stone Creek |
| Rutledge Lake Dam | Rutledge Lake Dam | Tuscarawas | 935 | New Philadelphia |
| Browns Recreation Lake Dam | Browns Recreation Lake Dam | Williams | 856 | Blakeslee |
| Lake La Su An Dam | Lake La Su An Dam | Williams | 925 | Nettle Lake |
| Lake Seneca Dam | Lake Seneca Dam | Williams | 899 | Nettle Lake |
| Lake A Dam | Lake A Dam | Williams | 974 | Nettle Lake |
| Lake C Dam | Lake C Dam | Williams | 955 | Nettle Lake |
| Toledo Edison Power Dam | Toledo Edison Power Dam | Defiance | 666 | Junction |
| Kohart Lake Dam | Kohart Lake Dam | Defiance | 676 | Junction |
| Stevens Pond Dam | Stevens Pond Dam | Defiance | 663 | Defiance East |
| Independence Dam | Independence Dam | Defiance | 659 | Defiance East |
| Camp Lakota Boy Scout Lake Dam | Camp Lakota Boy Scout Lake Dam | Defiance | 679 | Defiance West |
| Two Mile Dam | Two Mile Dam | Butler | 571 | Hamilton |
| Jeffco Lake Dam | Jeffco Lake Dam | Ashtabula | 971 | Cherry Valley |
| Limpert Lake Dam | Limpert Lake Dam | Ashtabula | 1047 | Cherry Valley |
| Galicki Pond Dam | Galicki Pond Dam | Ashtabula | 1047 | Cherry Valley |
| Lake Cardinal Dam | Lake Cardinal Dam | Ashtabula | 787 | Windsor |
| Camp Whitewood Lake Dam | Camp Whitewood Lake Dam | Ashtabula | 1014 | Windsor |
| Roaming Rock Shores Lake Dam | Roaming Rock Shores Lake Dam | Ashtabula | 827 | Jefferson |
| Skidmore Lake Dam | Skidmore Lake Dam | Ashtabula | 915 | Jefferson |
| Reuschling Pond Dam | Reuschling Pond Dam | Ashtabula | 997 | Jefferson |
| Kleinienst Lake Dam | Kleinienst Lake Dam | Ashtabula | 876 | Jefferson |
| Lake Beaumont Dam | Lake Beaumont Dam | Ashtabula | 801 | East Trumbull |
| Lake George Dam | Lake George Dam | Ashtabula | 810 | East Trumbull |
| Bruno Pond Dam | Bruno Pond Dam | Ashtabula | 860 | East Trumbull |
| Brail Lake Dam | Brail Lake Dam | Ashtabula | 804 | Geneva |
| Armington Lake Dam | Armington Lake Dam | Ashtabula | 771 | Geneva |
| Davis Pond Dam | Davis Pond Dam | Ashtabula | 820 | North Kingsville |
| Ashtabula County Outdoor Club Lake Dam | Ashtabula County Outdoor Club Lake Dam | Ashtabula | 751 | North Kingsville |
| Collier Lake Dam | Collier Lake Dam | Mahoning | 1106 | New Middletown |
| Arrowhead Lake Dam | Arrowhead Lake Dam | Mahoning | 1079 | Columbiana |
| Lake Placid Dam | Lake Placid Dam | Mahoning | 1125 | Columbiana |
| Antonoff Pond Dam | Antonoff Pond Dam | Mahoning | 1004 | Columbiana |
| Mahoning Duck Hunters Club Pond Dam | Mahoning Duck Hunters Club Pond Dam | Mahoning | 1004 | Columbiana |
| Calvins Marsh Dam | Calvins Marsh Dam | Mahoning | 1007 | Columbiana |
| Kings Lake Dam | Kings Lake Dam | Mahoning | 1115 | Campbell |
| Newport Lake Dam | Newport Lake Dam | Mahoning | 965 | Youngstown |
| Lake Glacier Dam | Lake Glacier Dam | Mahoning | 860 | Youngstown |
| Lake Cohasset Dam | Lake Cohasset Dam | Mahoning | 889 | Youngstown |
| Diehl Lake Dam | Diehl Lake Dam | Mahoning | 1079 | Canfield |
| Delta Reservoir Dam | Delta Reservoir Dam | Fulton | 725 | Delta |
| Harrison Lake Dam | Harrison Lake Dam | Fulton | 771 | Fayette |
| O H Hutchings Station Dam | O H Hutchings Station Dam | Montgomery | 682 | Franklin |
| Lake Marinole Dam | Lake Marinole Dam | Montgomery | 968 | Dayton South |
| Tait Station Dam | Tait Station Dam | Montgomery | 715 | Dayton South |
| Huffman Dam | Huffman Dam | Greene | 843 | Bellbrook |
| Ohnoname 19 Dam | Ohnoname 19 Dam | Montgomery | 932 | Dayton North |
| Island Park Dam | Island Park Dam | Montgomery | 728 | Dayton North |
| Englewood Recreation Dam | Englewood Recreation Dam | Montgomery | 804 | Trotwood |
| Salt Fork Reservoir Dam | Salt Fork Reservoir Dam | Guernsey | 817 | Cambridge |
| Rush Run Lake Dam | Rush Run Lake Dam | Preble | 925 | West Elkton |
| Kiser Lake Dam | Kiser Lake Dam | Champaign | 1063 | Saint Paris |
| Shreve Lake Dam | Shreve Lake Dam | Wayne | 948 | Shreve |
| Wolf Run Lake Dam | Wolf Run Lake Dam | Noble | 873 | Caldwell North |
| Findley Lake Dam | Findley Lake Dam | Lorain | 879 | Wellington |
| Madison Lake Dam | Madison Lake Dam | Madison | 958 | Walnut Run |
| Forked Run Lake Dam | Forked Run Lake Dam | Meigs | 597 | Portland |
| Monroe Lake Dam | Monroe Lake Dam | Monroe | 1066 | Lewisville |
| Lake Loramie Dam | Lake Loramie Dam | Shelby | 961 | Fort Loramie |
| Ross Lake Dam | Ross Lake Dam | Ross | 712 | Chillicothe East |
| Clark Lake Dam | Clark Lake Dam | Clark | 1106 | New Moorefield |
| Veto Lake Dam | Veto Lake Dam | Washington | 653 | Little Hocking |
| Lake White Dam | Lake White Dam | Pike | 554 | Piketon |
| Houston Upground Reservoir Dam | Houston Upground Reservoir Dam | Clinton | 988 | Blanchester |
| Baptist Foundation Lake Dam | Baptist Foundation Lake Dam | Clinton | 974 | Clarksville |
| Williamsburg Lake - West Dam | Williamsburg Lake - West Dam | Wood | 640 | Grand Rapids |
| Van Buren Lake Dam | Van Buren Lake Dam | Hancock | 751 | North Baltimore |
| Timberline Camp Lake Dam | Timberline Camp Lake Dam | Richland | 1319 | Bellville |
| Mohican Trail Camp Lake Dam | Mohican Trail Camp Lake Dam | Richland | 1099 | Perrysville |
| Geottl Pond Dam | Geottl Pond Dam | Richland | 1132 | Lucas |
| Shelby Upground Reservoir Number One Dam | Shelby Upground Reservoir Number One Dam | Richland | 1106 | Crestline |
| Shelby Upground Reservoir Number Two Dam | Shelby Upground Reservoir Number Two Dam | Richland | 1125 | Crestline |
| Cooke Pond Dam Number One | Cooke Pond Dam Number One | Richland | 1040 | Shelby |
| Cooke Pond Dam Number Two | Cooke Pond Dam Number Two | Richland | 1037 | Shelby |
| Stony Lake Dam | Stony Lake Dam | Carroll | 988 | Scio |
| Vo-Ash Lake Dam | Vo-Ash Lake Dam | Carroll | 1027 | Scio |
| Stanley Lake Dam 006 | Stanley Lake Dam 006 | Carroll | 1033 | Bowerston |
| Stanley Lake Dam 007 | Stanley Lake Dam 007 | Carroll | 1060 | Bowerston |
| Puskarich Brothers Lake Dam | Puskarich Brothers Lake Dam | Carroll | 1050 | Carrollton |
| Little Lake in the Woods Dam | Little Lake in the Woods Dam | Carroll | 968 | Dellroy |
| France Lake Dam | France Lake Dam | Carroll | 1109 | Kensington |
| Camp Conestoga Lake Dam | Camp Conestoga Lake Dam | Carroll | 1053 | Malvern |
| Tennessee Gas Lake Dam | Tennessee Gas Lake Dam | Carroll | 1083 | Minerva |
| Lake Mohawk Dam | Lake Mohawk Dam | Carroll | 1024 | Malvern |
| Mohawk Lake Dam | Mohawk Lake Dam | Seneca | 791 | Tiffin South |
| Beaver Creek Upground Reservoir Dam | Beaver Creek Upground Reservoir Dam | Seneca | 751 | Watson |
| Lake Otto Dam | Lake Otto Dam | Licking | 1066 | Hickman |
| Hoar Pond Dam | Hoar Pond Dam | Licking | 1129 | Utica |
| Dawes Arboretum Pond Dam | Dawes Arboretum Pond Dam | Licking | 955 | Thornville |
| Binns Lake Dam | Binns Lake Dam | Licking | 1063 | Thornville |
| Buckeye Lake Dam | Buckeye Lake Dam | Licking | 883 | Thornville |
| Burt Lake Dam | Burt Lake Dam | Paulding | 689 | Oakwood |
| Paulding Upground Reservoir Dam | Paulding Upground Reservoir Dam | Paulding | 725 | Latty |
| Pancake Lake Dam | Pancake Lake Dam | Summit | 958 | Canal Fulton |
| Lake Noah Dam | Lake Noah Dam | Summit | 1010 | Canal Fulton |
| Comet Lake Dam | Comet Lake Dam | Summit | 988 | Canal Fulton |
| Hills Pond Dam | Hills Pond Dam | Summit | 1066 | Akron East |
| Gorge Metropolitan Park Dam | Gorge Metropolitan Park Dam | Summit | 830 | Akron East |
| Carter Lake Dam | Carter Lake Dam | Summit | 1106 | Akron East |
| Wolf Creek Dam | Wolf Creek Dam | Summit | 968 | Akron West |
| Columbia Lake Dam | Columbia Lake Dam | Summit | 981 | Akron West |
| Lake Dorothy Dam | Lake Dorothy Dam | Summit | 978 | Wadsworth |
| Loyal Oak Lake Dam | Loyal Oak Lake Dam | Summit | 1076 | Wadsworth |
| Meadowbrook Lake Dam | Meadowbrook Lake Dam | Summit | 1007 | Hudson |
| Camp Butler Lake Dam | Camp Butler Lake Dam | Summit | 833 | Peninsula |
| Virginia Kendall Park Lake Dam | Virginia Kendall Park Lake Dam | Summit | 807 | Peninsula |
| Bell Lake Dam | Bell Lake Dam | Summit | 938 | Peninsula |
| Camp Hilaka Dam | Camp Hilaka Dam | Summit | 1161 | West Richfield |
| Kirby Lake Dam | Kirby Lake Dam | Summit | 1070 | West Richfield |
| Von Gunten Dam | Von Gunten Dam | Summit | 1043 | West Richfield |
| Crystal Lake Dam | Crystal Lake Dam | Summit | 1004 | West Richfield |
| Lake Forest Dam | Lake Forest Dam | Summit | 997 | Twinsburg |
| Jefferson Lake Dam | Jefferson Lake Dam | Jefferson | 1073 | Richmond |
| Bear Creek Lake Dam | Bear Creek Lake Dam | Scioto | 896 | Otway |
| Clouse Lake Dam | Clouse Lake Dam | Perry | 850 | Somerset |
| Cowan Lake Dam | Cowan Lake Dam | Clinton | 978 | Clarksville |
| Donta Pond Dam | Donta Pond Dam | Jackson | 663 | Patriot |
| Banquet Foods Reservoir Dam | Banquet Foods Reservoir Dam | Jackson | 689 | Wellston |
| Ohnoname 20 Dam | Ohnoname 20 Dam | Jackson | 728 | Wellston |
| Ohnoname 21 Dam | Ohnoname 21 Dam | Jackson | 774 | Wellston |
| Ohnoname 22 Dam | Ohnoname 22 Dam | Jackson | 797 | Wellston |
| Di-Or Pond Dam | Di-Or Pond Dam | Jackson | 732 | Wellston |
| Hammertown Lake Dam | Hammertown Lake Dam | Jackson | 692 | Jackson |
| Jisco Lake Dam | Jisco Lake Dam | Jackson | 768 | Jackson |
| Lake Katharine Dam | Lake Katharine Dam | Jackson | 656 | Jackson |
| Big Rock Lake Dam | Big Rock Lake Dam | Jackson | 817 | Beaver |
| Gallahan Pond Dam | Gallahan Pond Dam | Jackson | 781 | Byer |
| Troy Low Head Dam | Troy Low Head Dam | Miami | 814 | Troy |
| Piqua Low Head Dam | Piqua Low Head Dam | Miami | 850 | Piqua East |
| Swift Run Lake Dam | Swift Run Lake Dam | Miami | 902 | Piqua West |
| Decker Lake Dam | Decker Lake Dam | Miami | 955 | Piqua West |
| Hart Pond Dam | Hart Pond Dam | Miami | 860 | Tipp City |
| Owen Pond Dam | Owen Pond Dam | Miami | 906 | Tipp City |
| West Milton Low Head Dam | West Milton Low Head Dam | Miami | 810 | West Milton |
| Ferguson Upground Reservoir Dam | Ferguson Upground Reservoir Dam | Allen | 919 | Lima |
| Metzger Upground Reservoir Dam | Metzger Upground Reservoir Dam | Allen | 922 | Lima |
| Lost Creek Upground Reservoir Dam | Lost Creek Upground Reservoir Dam | Allen | 886 | Lima |
| Schoonover Lake Dam | Schoonover Lake Dam | Allen | 876 | Lima |
| Bresler Upground Reservoir Dam | Bresler Upground Reservoir Dam | Allen | 846 | Cridersville |
| McClintock Lake Dam | McClintock Lake Dam | Allen | 837 | Cridersville |
| Refinery Reservoir Dam | Refinery Reservoir Dam | Allen | 837 | Cridersville |
| Lima Upground Reservoir Dam | Lima Upground Reservoir Dam | Allen | 876 | Cairo |
| Bluffton College Lake Dam | Bluffton College Lake Dam | Allen | 817 | Bluffton |
| Harper Pond Dam | Harper Pond Dam | Warren | 830 | Pleasant Plain |
| Piney Wood Lake Dam | Piney Wood Lake Dam | Warren | 791 | South Lebanon |
| Happy Times Farm Pond Dam | Happy Times Farm Pond Dam | Warren | 761 | South Lebanon |
| Sunrise Lake Dam | Sunrise Lake Dam | Warren | 696 | South Lebanon |
| Mid-Western Childrens Home Dam | Mid-Western Childrens Home Dam | Warren | 869 | South Lebanon |
| Chitwood Pond Dam | Chitwood Pond Dam | Warren | 774 | South Lebanon |
| Bel-Wood Country Club Lake Dam | Bel-Wood Country Club Lake Dam | Warren | 748 | South Lebanon |
| Oeder Lake Dam | Oeder Lake Dam | Warren | 794 | South Lebanon |
| Winding Creek Farms Pond Dam | Winding Creek Farms Pond Dam | Warren | 771 | South Lebanon |
| Rippe Pond Dam | Rippe Pond Dam | Warren | 741 | South Lebanon |
| Landen Farm Dam | Landen Farm Dam | Warren | 787 | Mason |
| Al-Char Lake Dam 9242-002 | Al-Char Lake Dam 9242-002 | Warren | 856 | Mason |
| Pine Hill Lake Dam | Pine Hill Lake Dam | Warren | 810 | Mason |
| Gray Pond Dam | Gray Pond Dam | Warren | 919 | Oregonia |
| Elk Lake Dam | Elk Lake Dam | Warren | 915 | Oregonia |
| Harper Pond Dam | Harper Pond Dam | Warren | 833 | Oregonia |
| Murphy Pond Dam | Murphy Pond Dam | Warren | 912 | Oregonia |
| Lilley Lake Dam | Lilley Lake Dam | Warren | 853 | Lebanon |
| Lilley Lake 9341-006 Dam | Lilley Lake 9341-006 Dam | Warren | 866 | Lebanon |
| Boehmler Pond Dam | Boehmler Pond Dam | Warren | 807 | Lebanon |
| Spear Pond Dam | Spear Pond Dam | Warren | 787 | Lebanon |
| Fred Lake Dam | Fred Lake Dam | Warren | 755 | Lebanon |
| Stolle Lake Dam Number Two | Stolle Lake Dam Number Two | Warren | 814 | Lebanon |
| Shaker Creek Dam | Shaker Creek Dam | Warren | 751 | Monroe |
| Shadow Lake Dam | Shadow Lake Dam | Warren | 784 | Monroe |
| Shroder Lake Dam | Shroder Lake Dam | Warren | 725 | Monroe |
| Spring Valley Lake Dam | Spring Valley Lake Dam | Warren | 732 | Waynesville |
| Glass Pond Dam | Glass Pond Dam | Warren | 938 | Waynesville |
| Poore Pond Dam | Poore Pond Dam | Warren | 758 | Waynesville |
| Stoneybrook Farm Lake Dam | Stoneybrook Farm Lake Dam | Warren | 797 | Waynesville |
| Old Stage Farms Lake Dam | Old Stage Farms Lake Dam | Warren | 1004 | Springboro |
| Stolle Lake Dam | Stolle Lake Dam | Warren | 879 | Springboro |
| Lake Forest Dam | Lake Forest Dam | Warren | 853 | Springboro |
| Chautauqua Dam | Chautauqua Dam | Warren | 673 | Franklin |
| Middletown Dam | Middletown Dam | Warren | 653 | Franklin |
| Dunlap Pond Dam Number Three | Dunlap Pond Dam Number Three | Pickaway | 807 | Clarksburg |
| Dunlap Pond Dam Number Two | Dunlap Pond Dam Number Two | Pickaway | 807 | Clarksburg |
| Wolfe Pond Dam | Wolfe Pond Dam | Pickaway | 827 | Ashville |
| Dunlap Pond Dam Number One | Dunlap Pond Dam Number One | Pickaway | 764 | Five Points |
| Clark Run Dam | Clark Run Dam | Pickaway | 846 | Five Points |
| Green Lake Dam | Green Lake Dam | Pickaway | 820 | Harrisburg |
| Sunset Hill Estate Lake Dam | Sunset Hill Estate Lake Dam | Pickaway | 830 | Harrisburg |
| Clark Lakes Pond One Dam | Clark Lakes Pond One Dam | Pickaway | 860 | Harrisburg |
| Darke Company Lake Wildlife Area Pond Five Dam | Darke Company Lake Wildlife Area Pond Five Dam | Darke | 1014 | Greenville East |
| Acton Lake Dam | Acton Lake Dam | Butler | 853 | Oxford |
| Saalfield Pond Dam Number One | Saalfield Pond Dam Number One | Summit | 925 | Peninsula |
| Liggett Lake Dam | Liggett Lake Dam | Union | 1063 | East Liberty |
| Upper Wabash Number Three Pond Dam | Upper Wabash Number Three Pond Dam | Mercer | 948 | Fort Recovery |
| Forty Acre Pond Dam | Forty Acre Pond Dam | Auglaize | 853 | Saint Marys |
| Nimisila Reservoir Dam | Nimisila Reservoir Dam | Summit | 1138 | Hartville |
| West Reservoir Dam | West Reservoir Dam | Summit | 988 | Canal Fulton |
| Long Lake Dam | Long Lake Dam | Summit | 958 | Akron West |
| North Reservoir Dam | North Reservoir Dam | Summit | 965 | Akron West |
| East Reservoir Dam | East Reservoir Dam | Summit | 988 | Akron West |
| Ziegler Pond Dam | Ziegler Pond Dam | Hardin | 1007 | Mount Victory |
| East Liberty Lake Dam | East Liberty Lake Dam | Logan | 1148 | East Liberty |
| Drumm Pond Dam | Drumm Pond Dam | Logan | 1388 | Zanesfield |
| Camp Wesley Lake Dam | Camp Wesley Lake Dam | Logan | 1276 | Rushsylvania |
| Appleseed Ridge Lake Number One Dam | Appleseed Ridge Lake Number One Dam | Logan | 1280 | Rushsylvania |
| Appleseed Ridge Lake Number Two Dam | Appleseed Ridge Lake Number Two Dam | Logan | 1332 | Rushsylvania |
| Bell Pond Dam | Bell Pond Dam | Logan | 1106 | Huntsville |
| Indian Lake Dam | Indian Lake Dam | Logan | 991 | Russells Point |
| Rawiga Country Club Lake Dam | Rawiga Country Club Lake Dam | Medina | 1030 | Rittman |
| Montville Lakes Dam 1016-008 | Montville Lakes Dam 1016-008 | Medina | 968 | Seville |
| Jeans Lake Dam | Jeans Lake Dam | Medina | 981 | Seville |
| Sunnyslope Lake Dam | Sunnyslope Lake Dam | Medina | 1181 | Seville |
| Wolf Lakes Dam | Wolf Lakes Dam | Medina | 1060 | Westfield Center |
| McKnight Lake Dam | McKnight Lake Dam | Medina | 1145 | Westfield Center |
| Granger Lake Dam | Granger Lake Dam | Medina | 1020 | West Richfield |
| Mirror Lake Dam | Mirror Lake Dam | Medina | 1168 | West Richfield |
| Ledge Lake Dam | Ledge Lake Dam | Medina | 1138 | West Richfield |
| Pischieri Pond Dam | Pischieri Pond Dam | Medina | 948 | West Richfield |
| Rustic Hills Lake Dam | Rustic Hills Lake Dam | Medina | 951 | Medina |
| Torok Pond Dam | Torok Pond Dam | Medina | 1024 | Medina |
| Rice Pond Dam | Rice Pond Dam | Medina | 1001 | Mallet Creek |
| Moll Lake Dam | Moll Lake Dam | Medina | 853 | West View |
| Zuber Pond Dam | Zuber Pond Dam | Medina | 1037 | Rittman |
| Montville Lakes Dam 1016-001 | Montville Lakes Dam 1016-001 | Medina | 981 | Seville |
| Seven Springs Lake Dam | Seven Springs Lake Dam | Medina | 991 | Seville |
| Siedel Lake Dam | Siedel Lake Dam | Medina | 1004 | Seville |
| Osage Lake Dam | Osage Lake Dam | Medina | 1138 | Seville |
| Spencer Lake Dam | Spencer Lake Dam | Medina | 860 | Lodi |
| Sherwood Forrest Camp Grounds Pond Dam | Sherwood Forrest Camp Grounds Pond Dam | Medina | 997 | Lodi |
| Hinckley Lake Dam | Hinckley Lake Dam | Medina | 919 | West Richfield |
| Lake Medina Dam | Lake Medina Dam | Medina | 922 | Medina |
| Lake Brunswick Dam | Lake Brunswick Dam | Medina | 1086 | Medina |
| Lake Chateau Dam | Lake Chateau Dam | Medina | 1089 | Medina |
| Modern Tool and Die Company Reservoir Dam | Modern Tool and Die Company Reservoir Dam | Medina | 912 | West View |
| Lampson Reservoir Dam | Lampson Reservoir Dam | Ashtabula | 840 | Ashtabula South |
| Washington Court House Reservoir Dam | Washington Court House Reservoir Dam | Fayette | 988 | Washington Court House |
| McKelvey Lake Dam | McKelvey Lake Dam | Mahoning | 994 | Campbell |
| Lake Hamilton Dam | Lake Hamilton Dam | Mahoning | 922 | Campbell |
| Burgess Lake Dam | Burgess Lake Dam | Mahoning | 1099 | Campbell |
| Evans Lake Dam | Evans Lake Dam | Mahoning | 1070 | New Middletown |
| Pine Lake Dam | Pine Lake Dam | Mahoning | 1086 | Columbiana |
| Liberty Lake Dam | Liberty Lake Dam | Trumbull | 968 | Girard |
| Lake Girard Dam | Lake Girard Dam | Trumbull | 997 | Girard |
| Highlandtown Lake Dam | Highlandtown Lake Dam | Columbiana | 1073 | West Point |
| Guilford Lake Dam | Guilford Lake Dam | Columbiana | 1132 | Lisbon |
| Zepernick Lake Dam | Zepernick Lake Dam | Columbiana | 1243 | Hanoverton |
| Knox Lake Dam | Knox Lake Dam | Knox | 1138 | Fredericktown |
| Lake Park Dam | Lake Park Dam | Mahoning | 1053 | Alliance |
| Oxbow Lake Dam | Oxbow Lake Dam | Defiance | 702 | Defiance West |
| Miller Lake Dam | Miller Lake Dam | Hancock | 764 | McComb |
| Jackson Lake Dam | Jackson Lake Dam | Jackson | 699 | Oak Hill |
| Hargus Lake Dam | Hargus Lake Dam | Pickaway | 764 | Ashville |
| Turkey Creek Lake Dam | Turkey Creek Lake Dam | Scioto | 741 | Pond Run |
| Killdeer Upground Reservoir Dam | Killdeer Upground Reservoir Dam | Wyandot | 889 | Marseilles |
| Sunday Creek Coal Company Dam 9420-007 Dam | Sunday Creek Coal Company Dam 9420-007 Dam | Perry | 804 | Corning |
| Wayne National Forest Dam | Wayne National Forest Dam | Perry | 863 | New Straitsville |
| San Toy Dam | San Toy Dam | Perry | 837 | Deavertown |
| Altiers Lake Dam | Altiers Lake Dam | Perry | 968 | Deavertown |
| Sunnyhill Mine Number Nine - Freshwater Dam | Sunnyhill Mine Number Nine - Freshwater Dam | Perry | 906 | New Lexington |
| Rush Creek Conservancy Structure 1B Dam | Rush Creek Conservancy Structure 1B Dam | Perry | 935 | New Lexington |
| Essington Lake Dam | Essington Lake Dam | Perry | 951 | Fultonham |
| Perry Reclaim Dam Three | Perry Reclaim Dam Three | Perry | 932 | Fultonham |
| Perry Reclaim Dam One | Perry Reclaim Dam One | Perry | 948 | Fultonham |
| Perry Reclaim Dam Two | Perry Reclaim Dam Two | Perry | 971 | Fultonham |
| Perry Fish and Game Association Pond Dam | Perry Fish and Game Association Pond Dam | Perry | 1004 | Fultonham |
| Rush Creek Structure 3b Dam | Rush Creek Structure 3b Dam | Perry | 830 | Somerset |
| Rush Creek Structure 3a Dam | Rush Creek Structure 3a Dam | Perry | 853 | Somerset |
| Schultz Lake Dam | Schultz Lake Dam | Portage | 1142 | Atwater |
| Ohio Farmettes Lake Dam | Ohio Farmettes Lake Dam | Portage | 1096 | Atwater |
| Wingfoot Lake Dam | Wingfoot Lake Dam | Portage | 1142 | Suffield |
| Mogadore Dam | Mogadore Dam | Portage | 1070 | Akron East |
| Schneider Lake Dam | Schneider Lake Dam | Portage | 1017 | Ravenna |
| Indian Canoe Lake Dam | Indian Canoe Lake Dam | Portage | 1089 | Ravenna |
| Lake Rockwell Dam | Lake Rockwell Dam | Portage | 1060 | Kent |
| Muddy Lake Dam | Muddy Lake Dam | Portage | 1076 | Kent |
| Pittman Lake Dam | Pittman Lake Dam | Portage | 1089 | Kent |
| Gressard Lake Dam | Gressard Lake Dam | Portage | 1040 | Kent |
| Ohnoname 28 Dam | Ohnoname 28 Dam | Portage | 1096 | Garrettsville |
| Colebrook Lake Dam | Colebrook Lake Dam | Portage | 1014 | Twinsburg |
| Aurora Pond Dam | Aurora Pond Dam | Portage | 994 | Twinsburg |
| Angler Paradise Lake Dam | Angler Paradise Lake Dam | Fairfield | 820 | Bremen |
| Benua Lake Dam | Benua Lake Dam | Fairfield | 837 | Clearport |
| Kilbarger Pond Dam | Kilbarger Pond Dam | Fairfield | 994 | Baltimore |
| Morse Pond Dam | Morse Pond Dam | Fairfield | 1053 | Carroll |
| Cook Pond Dam | Cook Pond Dam | Fairfield | 1053 | Carroll |
| McGill Pond Dam | McGill Pond Dam | Fairfield | 860 | Carroll |
| Moore Pond Dam | Moore Pond Dam | Fairfield | 971 | Pataskala |
| Amicks Upground Reservoir Dam | Amicks Upground Reservoir Dam | Morrow | 1135 | Galion |
| Amann Reservoir Dam | Amann Reservoir Dam | Morrow | 1112 | Galion |
| Candlewood Lake Dam | Candlewood Lake Dam | Morrow | 1158 | Mount Gilead |
| Mount Gilead Lower Lake Dam | Mount Gilead Lower Lake Dam | Morrow | 1122 | Mount Gilead |
| Harding Area Council BSA Dam | Harding Area Council BSA Dam | Morrow | 1165 | Mount Gilead |
| Straits Lake Dam | Straits Lake Dam | Morrow | 1175 | Mount Gilead |
| Muskingum River Lock and Dam Number Two | Muskingum River Lock and Dam Number Two | Washington | 597 | Marietta |
| Muskingum River Lock and Dam Number Three | Muskingum River Lock and Dam Number Three | Washington | 600 | Lowell |
| Muskingum River Lock and Dam Number Four | Muskingum River Lock and Dam Number Four | Washington | 620 | Beverly |
| Muskingum River Lock and Dam Number Five | Muskingum River Lock and Dam Number Five | Morgan | 623 | Beverly |
| Muskingum River Lock and Dam Number Six | Muskingum River Lock and Dam Number Six | Morgan | 640 | Stockport |
| Muskingum River Lock and Dam Number Seven | Muskingum River Lock and Dam Number Seven | Morgan | 784 | McConnelsville |
| Muskingum River Lock and Dam Number Eight | Muskingum River Lock and Dam Number Eight | Morgan | 663 | Rokeby Lock |
| Muskingum River Lock and Dam Number Nine | Muskingum River Lock and Dam Number Nine | Muskingum | 663 | Philo |
| Muskingum River Lock and Dam Number 10 | Muskingum River Lock and Dam Number 10 | Muskingum | 686 | Zanesville West |
| Muskingum River Lock and Dam Number 11 | Muskingum River Lock and Dam Number 11 | Muskingum | 696 | Adamsville |
| Central Silica Company Pond 9722-012 Dam | Central Silica Company Pond 9722-012 Dam | Perry | 919 | Glenford |
| Pine Creek Structure Number Eight Dam | Pine Creek Structure Number Eight Dam | Lawrence | 627 | Ironton |
| Celeryville Upground Reservoir Dam | Celeryville Upground Reservoir Dam | Crawford | 951 | Shelby |
| Rainbow Lake Dam | Rainbow Lake Dam | Athens | 801 | Shade |
| Lake Austin Dam | Lake Austin Dam | Jefferson | 843 | Knoxville |
| Caldwell Lake Dam | Caldwell Lake Dam | Noble | 810 | Caldwell North |
| Upper Wabash Structure Number Two Dam | Upper Wabash Structure Number Two Dam | Darke | 984 | Rossburg |
| East Fork Buck Creek Structure 3a Dam | East Fork Buck Creek Structure 3a Dam | Champaign | 1115 | Urbana East |
| East Fork Buck Creek Structure Number 4a Dam | East Fork Buck Creek Structure Number 4a Dam | Champaign | 1112 | Urbana East |
| East Fork Buck Creek Structure Number 1B Dam | East Fork Buck Creek Structure Number 1B Dam | Champaign | 1168 | Mechanicsburg |
| Greenfield Lake Dam | Greenfield Lake Dam | Fairfield | 942 | Carroll |
| Hunters Run Conservation District Structure One Dam | Hunters Run Conservation District Structure One Dam | Fairfield | 997 | Amanda |
| Hunters Run Conservation District Structure Two Dam | Hunters Run Conservation District Structure Two Dam | Fairfield | 928 | Amanda |
| Hunters Run Conservation District Structure Three Dam | Hunters Run Conservation District Structure Three Dam | Fairfield | 902 | Amanda |
| Hunters Run Conservation District Structure Four Dam | Hunters Run Conservation District Structure Four Dam | Fairfield | 912 | Amanda |
| Hunters Run Conservation District Structure Five Dam | Hunters Run Conservation District Structure Five Dam | Fairfield | 942 | Carroll |
| Hunters Run Conservation District Structure Six Dam | Hunters Run Conservation District Structure Six Dam | Fairfield | 863 | Carroll |
| Rush Creek Conservation District Structure 5a Dam | Rush Creek Conservation District Structure 5a Dam | Fairfield | 817 | Junction City |
| Rush Creek Conservation District Structure 5b Dam | Rush Creek Conservation District Structure 5b Dam | Fairfield | 837 | Bremen |
| Rush Creek Conservation District Structure 5c Dam | Rush Creek Conservation District Structure 5c Dam | Fairfield | 846 | Bremen |
| Rush Creek Conservation District Structure 7d Dam | Rush Creek Conservation District Structure 7d Dam | Fairfield | 853 | Lancaster |
| Rush Creek Conservation District Structure 7e Dam | Rush Creek Conservation District Structure 7e Dam | Fairfield | 833 | Bremen |
| Harmony Lake Dam | Harmony Lake Dam | Wayne | 1004 | Dalton |
| Killdeer Wildlife Pond Dam Number Three | Killdeer Wildlife Pond Dam Number Three | Wyandot | 886 | Meeker |
| Killdeer Wildlife Pond Dam Number Two | Killdeer Wildlife Pond Dam Number Two | Wyandot | 889 | Meeker |
| Killdeer Wildlife Pond Dam Number One | Killdeer Wildlife Pond Dam Number One | Wyandot | 886 | Meeker |
| Ellis Lake Dam | Ellis Lake Dam | Wyandot | 791 | Sycamore |
| Smith Pond Dam | Smith Pond Dam | Franklin | 909 | New Albany |
| Thoreau Pond Dam | Thoreau Pond Dam | Franklin | 942 | New Albany |
| Brookside Country Club Lake Dam | Brookside Country Club Lake Dam | Franklin | 879 | Northwest Columbus |
| Ohio State University Golf Course Lake Dam | Ohio State University Golf Course Lake Dam | Franklin | 817 | Northwest Columbus |
| Timber Lake Dam | Timber Lake Dam | Franklin | 804 | Harrisburg |
| Greenlawn Avenue Low Head Dam | Greenlawn Avenue Low Head Dam | Franklin | 692 | Southwest Columbus |
| Rich Street Low Head Dam | Rich Street Low Head Dam | Franklin | 722 | Southwest Columbus |
| Fifth Avenue Low Head Dam | Fifth Avenue Low Head Dam | Franklin | 705 | Southwest Columbus |
| Sunbury Upground Reservoir Number Two Dam | Sunbury Upground Reservoir Number Two Dam | Delaware | 997 | Sunbury |
| Westerville Reservoir Dam | Westerville Reservoir Dam | Delaware | 873 | Galena |
| Pomeroy Ponds Dam | Pomeroy Ponds Dam | Delaware | 942 | Galena |
| Berkshire Lake Dam | Berkshire Lake Dam | Delaware | 948 | Galena |
| Greenwood Lake Dam | Greenwood Lake Dam | Delaware | 902 | Delaware |
| Barnesville Reservoir Number Three Dam | Barnesville Reservoir Number Three Dam | Belmont | 1112 | Barnesville |
| Raccoon Creek Upground Reservoir Dam | Raccoon Creek Upground Reservoir Dam | Sandusky | 722 | Clyde |
| East Branch Reservoir Dam | East Branch Reservoir Dam | Geauga | 1125 | East Claridon |
| Bridge Creek Dam | Bridge Creek Dam | Geauga | 1122 | Burton |
| Bellevue Reservoir Number Five Dam | Bellevue Reservoir Number Five Dam | Huron | 804 | Flat Rock |
| Findlay Upground Reservoir Number One Dam | Findlay Upground Reservoir Number One Dam | Hancock | 801 | Arcadia |
| Wellington Reservoir Number Two Dam | Wellington Reservoir Number Two Dam | Lorain | 869 | Wellington |
| Norwalk Memorial Reservoir Dam | Norwalk Memorial Reservoir Dam | Huron | 787 | Norwalk |
| Norwalk Upper Reservoir Dam | Norwalk Upper Reservoir Dam | Huron | 791 | Norwalk |
| Norwalk Lower Reservoir Dam | Norwalk Lower Reservoir Dam | Huron | 787 | Norwalk |
| Wilmington Upground Reservoir Dam Number One | Wilmington Upground Reservoir Dam Number One | Clinton | 1063 | Wilmington |
| Wilmington Upground Reservoir Number Two Dam | Wilmington Upground Reservoir Number Two Dam | Clinton | 1047 | Wilmington |
| Southern Silica Pond Number One Dam | Southern Silica Pond Number One Dam | Ross | 804 | Richmond Dale |
| Southern Silica Pond Number Two Dam | Southern Silica Pond Number Two Dam | Ross | 797 | Richmond Dale |
| Van Wert Reservoir Number One Dam | Van Wert Reservoir Number One Dam | Van Wert | 794 | Van Wert |
| Van Wert Reservoir Number Two Dam | Van Wert Reservoir Number Two Dam | Van Wert | 804 | Van Wert |
| Russellville Watersupply Reservoir Dam | Russellville Watersupply Reservoir Dam | Brown | 896 | Ash Ridge |
| Leipsic Upground Reservoir Dam | Leipsic Upground Reservoir Dam | Putnam | 738 | Leipsic |
| Knoles Pond Dam | Knoles Pond Dam | Ross | 781 | Chillicothe East |
| Wellington Upground Reservoir Dam | Wellington Upground Reservoir Dam | Lorain | 873 | Wellington |
| Willard City Upground Reservoir Dam | Willard City Upground Reservoir Dam | Huron | 942 | Willard |
| Swanton Upground Reservoir Dam | Swanton Upground Reservoir Dam | Lucas | 659 | Whitehouse |
| North Baltimore Upground Reservoir Dam | North Baltimore Upground Reservoir Dam | Wood | 741 | North Baltimore |
| Clearfork Reservoir Dam | Clearfork Reservoir Dam | Richland | 1197 | Mansfield South |
| Deer Creek Reservoir Dam | Deer Creek Reservoir Dam | Stark | 1017 | Alliance |
| New Washington Upground Reservoir Dam | New Washington Upground Reservoir Dam | Crawford | 1004 | New Washington |
| Findlay Upground Reservoir Number Two Dam | Findlay Upground Reservoir Number Two Dam | Hancock | 817 | Arcadia |
| McComb Upground Reservoir Number One Dam | McComb Upground Reservoir Number One Dam | Hancock | 768 | McComb |
| Lake Mosier Upground Reservoir Dam | Lake Mosier Upground Reservoir Dam | Hancock | 781 | Fostoria |
| Lake Lamberjack Upground Reservoir Dam | Lake Lamberjack Upground Reservoir Dam | Hancock | 771 | Fostoria |
| Lake Daugherty Upground Reservoir Dam | Lake Daugherty Upground Reservoir Dam | Hancock | 774 | Fostoria |
| Lake Mottram Upground Reservoir Dam | Lake Mottram Upground Reservoir Dam | Hancock | 774 | Fostoria |
| Fostoria Upground Reservoir Dam | Fostoria Upground Reservoir Dam | Hancock | 804 | Alvada |
| New York Central Reservoir Dam | New York Central Reservoir Dam | Perry | 735 | Corning |
| Seimer Pond Dam | Seimer Pond Dam | Perry | 741 | Corning |
| Crooksville Reservoir Number Three Dam | Crooksville Reservoir Number Three Dam | Perry | 876 | Deavertown |
| New Lexington Reservoir Dam | New Lexington Reservoir Dam | Perry | 915 | New Lexington |
| Somerset Reservoir Dam | Somerset Reservoir Dam | Perry | 932 | Somerset |
| Attica Upground Reservoir Dam | Attica Upground Reservoir Dam | Seneca | 919 | Attica |
| Tiffin Low Head Dam 1031-007 | Tiffin Low Head Dam 1031-007 | Seneca | 718 | Tiffin South |
| Tiffin Low Head Dam 1031-008 | Tiffin Low Head Dam 1031-008 | Seneca | 725 | Tiffin South |
| Monroeville Low Head Dam | Monroeville Low Head Dam | Huron | 679 | Monroeville |
| Bellevue Upground Reservoir Number One Dam | Bellevue Upground Reservoir Number One Dam | Huron | 761 | Bellevue |
| Bellevue Reservoir Number Three Dam | Bellevue Reservoir Number Three Dam | Huron | 761 | Bellevue |
| Bellevue Upground Reservoir Number Four Dam | Bellevue Upground Reservoir Number Four Dam | Huron | 787 | Bellevue |
| Cedarville Reservoir Dam | Cedarville Reservoir Dam | Greene | 1047 | Cedarville |
| Newark Low Head Dam | Newark Low Head Dam | Licking | 814 | Newark |
| Ballville Dam | Ballville Dam | Sandusky | 974 | Marion West |
| Geneva Low Head Dam | Geneva Low Head Dam | Ashtabula | 735 | Geneva |
| Sardinia Reservoir Dam | Sardinia Reservoir Dam | Brown | 942 | Sardinia |
| Sunbury Upground Reservoir Number One Dam | Sunbury Upground Reservoir Number One Dam | Delaware | 994 | Sunbury |
| Wellston Reservoir Dam | Wellston Reservoir Dam | Jackson | 840 | Hamden |
| Bethel Reservoir Dam | Bethel Reservoir Dam | Clermont | 892 | Bethel |
| Grafton Reservoir Dam | Grafton Reservoir Dam | Lorain | 807 | Grafton |
| Ohio Power Company Dam 9515-001 | Ohio Power Company Dam 9515-001 | Morgan | 879 | Reinersville |
| Ohio Power Company Dam 9515-002 | Ohio Power Company Dam 9515-002 | Morgan | 896 | Reinersville |
| Ohio Power Company Dam 9515-004 | Ohio Power Company Dam 9515-004 | Morgan | 856 | Reinersville |
| Ohio Power Company Pond Mm-29 Dam | Ohio Power Company Pond Mm-29 Dam | Morgan | 814 | Reinersville |
| Ohio Power Company Dam 9515-007 | Ohio Power Company Dam 9515-007 | Morgan | 764 | Dayton South |
| Ohio Power Company Dam 9515-011 | Ohio Power Company Dam 9515-011 | Morgan | 715 | Reinersville |
| Ohio Power Company Pond Number 9515-012 Dam | Ohio Power Company Pond Number 9515-012 Dam | Morgan | 755 | Reinersville |
| Ohio Power Company Pond 9515-013 Dam | Ohio Power Company Pond 9515-013 Dam | Morgan | 774 | Reinersville |
| Ohio Power Company Pond 9515-018 Dam | Ohio Power Company Pond 9515-018 Dam | Morgan | 902 | Reinersville |
| Ohio Power Company Pond 9515-019 Dam | Ohio Power Company Pond 9515-019 Dam | Morgan | 919 | Reinersville |
| Ohio Power Company Pond Mb-166 Dam | Ohio Power Company Pond Mb-166 Dam | Morgan | 846 | Reinersville |
| Ohio Power Company Pond 9515-021 Dam | Ohio Power Company Pond 9515-021 Dam | Morgan | 725 | Reinersville |
| Ohio Power Company Pond Mmv-9 Dam | Ohio Power Company Pond Mmv-9 Dam | Morgan | 781 | Reinersville |
| Ohio Power Company Pond Mb-120 Dam | Ohio Power Company Pond Mb-120 Dam | Morgan | 971 | McConnelsville |
| Ohio Power Company Pond Mb-118 Dam | Ohio Power Company Pond Mb-118 Dam | Morgan | 938 | McConnelsville |
| Ohio Power Company Pond Mbl-1 Dam | Ohio Power Company Pond Mbl-1 Dam | Morgan | 925 | McConnelsville |
| Ohio Power Company Pond Mb-133 Dam | Ohio Power Company Pond Mb-133 Dam | Morgan | 938 | McConnelsville |
| Ohio Power Company Pond Mb-141 Dam | Ohio Power Company Pond Mb-141 Dam | Morgan | 883 | McConnelsville |
| Ohio Power Company Pond Mb-46 Dam | Ohio Power Company Pond Mb-46 Dam | Morgan | 886 | Cumberland |
| Ohio Power Company Pond Mm-46 Dam | Ohio Power Company Pond Mm-46 Dam | Morgan | 830 | Cumberland |
| Ohio Power Company Pond Mm-62 Dam | Ohio Power Company Pond Mm-62 Dam | Morgan | 850 | Cumberland |
| Ohio Power Company Dam Number Two Dam | Ohio Power Company Dam Number Two Dam | Muskingum | 915 | Cumberland |
| Ohio Power Company Dam Number Four Dam | Ohio Power Company Dam Number Four Dam | Muskingum | 1007 | Cumberland |
| Ohio Power Company Pond Mur-27 Dam | Ohio Power Company Pond Mur-27 Dam | Muskingum | 981 | Cumberland |
| Ohio Power Company Pond 9615-010 Dam | Ohio Power Company Pond 9615-010 Dam | Muskingum | 948 | Cumberland |
| Ohio Power Company Pond 9615-014 Dam | Ohio Power Company Pond 9615-014 Dam | Muskingum | 925 | Cumberland |
| Ohio Power Company Pond Mum-40 Dam | Ohio Power Company Pond Mum-40 Dam | Muskingum | 869 | Cumberland |
| Ohio Power Company Pond 9615-022 Dam | Ohio Power Company Pond 9615-022 Dam | Muskingum | 902 | Cumberland |
| Ohio Power Company Pond Mur-3 Dam | Ohio Power Company Pond Mur-3 Dam | Muskingum | 1001 | New Concord |
| Ohio Power Company Pond Mm-34 Dam | Ohio Power Company Pond Mm-34 Dam | Morgan | 840 | Reinersville |
| Ohio Power Company Pond Mm-52 Dam | Ohio Power Company Pond Mm-52 Dam | Morgan | 804 | Reinersville |
| Ohio Power Company Pond Nb-64 Dam | Ohio Power Company Pond Nb-64 Dam | Noble | 876 | Cumberland |
| Ohio Power Company Pond Nb-176 Dam | Ohio Power Company Pond Nb-176 Dam | Noble | 994 | Cumberland |
| Ohio Power Company Pond Nb-171 Dam | Ohio Power Company Pond Nb-171 Dam | Noble | 958 | Cumberland |
| Ohio Power Company Pond Nb-102 Dam | Ohio Power Company Pond Nb-102 Dam | Noble | 883 | Cumberland |
| Ohio Power Company Pond Nb-99 Dam | Ohio Power Company Pond Nb-99 Dam | Noble | 886 | Cumberland |
| Ohio Power Company Pond Nb-93 Dam | Ohio Power Company Pond Nb-93 Dam | Noble | 856 | Cumberland |
| Ohio Power Company Pond 9615-020 Dam | Ohio Power Company Pond 9615-020 Dam | Perry | 807 | Cumberland |
| Gardner Pond Dam | Gardner Pond Dam | Licking | 1106 | Jersey |
| Snortin Ridge Farm Lake Dam | Snortin Ridge Farm Lake Dam | Fairfield | 883 | Clearport |
| Winterset Lake Dam | Winterset Lake Dam | Guernsey | 912 | Old Washington |
| Robins Ridge Golf Club Dam Number Two | Robins Ridge Golf Club Dam Number Two | Guernsey | 879 | Senecaville |
| Bassage Lake Dam | Bassage Lake Dam | Jefferson | 1056 | Harrisville |
| Boich Mining Company Pond Number Two Dam | Boich Mining Company Pond Number Two Dam | Jefferson | 1138 | Smithfield |
| Boich Mining Company Pond Number One Dam | Boich Mining Company Pond Number One Dam | Jefferson | 1132 | Smithfield |
| Anthony Mining Company Dam | Anthony Mining Company Dam | Jefferson | 1102 | Chesterville |
| Peabody Broken Aro Water Supply Dam | Peabody Broken Aro Water Supply Dam | Coshocton | 876 | Conesville |
| Peabody Coal Company Dam 0117-012 | Peabody Coal Company Dam 0117-012 | Coshocton | 879 | Conesville |
| Peabody Coal Company Dam 0117-013 Dam | Peabody Coal Company Dam 0117-013 Dam | Coshocton | 912 | Conesville |
| Consolidation Coal Company Pond 0110-002 Dam | Consolidation Coal Company Pond 0110-002 Dam | Harrison | 1086 | Flushing |
| Ohnoname 31 Dam | Ohnoname 31 Dam | Belmont | 1214 | Flushing |
| Consolidation Coal Company Pond 0110-005 Dam | Consolidation Coal Company Pond 0110-005 Dam | Belmont | 1070 | Flushing |
| Barnesville Lake Dam | Barnesville Lake Dam | Belmont | 1132 | Barnesville |
| Consolidation Coal Company Dam 0107-013 | Consolidation Coal Company Dam 0107-013 | Harrison | 1102 | Harrisville |
| Adena Fish and Game Club Dam | Adena Fish and Game Club Dam | Harrison | 1040 | Cadiz |
| Bradford Dam | Bradford Dam | Harrison | 1079 | Harrisville |
| Consolidation Coal Company Pond 0110-012 Dam | Consolidation Coal Company Pond 0110-012 Dam | Harrison | 1040 | Flushing |
| Consolidation Coal Company Pond 0110-014 Dam | Consolidation Coal Company Pond 0110-014 Dam | Harrison | 1191 | Flushing |
| Consolidation Coal Company Pond 0110-016 Dam | Consolidation Coal Company Pond 0110-016 Dam | Harrison | 1056 | Flushing |
| Consolidation Coal Company Pond 0110-022 Dam | Consolidation Coal Company Pond 0110-022 Dam | Harrison | 1047 | Flushing |
| Pulay Pond Dam | Pulay Pond Dam | Harrison | 1037 | Flushing |
| Brushy Fork Dam Number Seven | Brushy Fork Dam Number Seven | Harrison | 1076 | Flushing |
| Schaney Pond Dam | Schaney Pond Dam | Harrison | 1188 | Cadiz |
| Crawford Pond Dam | Crawford Pond Dam | Harrison | 1214 | Cadiz |
| Consolidation Coal Company Pond 0207-019 Dam | Consolidation Coal Company Pond 0207-019 Dam | Harrison | 1217 | Cadiz |
| Consolidation Coal Pond 0210-010 Dam | Consolidation Coal Pond 0210-010 Dam | Harrison | 1063 | Jewett |
| Mader Pond Dam | Mader Pond Dam | Harrison | 1079 | Amsterdam |
| Bogart Pond Dam | Bogart Pond Dam | Columbiana | 1093 | West Point |
| Great Trails Girl Scouts Pond Dam | Great Trails Girl Scouts Pond Dam | Carroll | 1033 | Malvern |
| Meigs Mine Number One Water Supply Dam | Meigs Mine Number One Water Supply Dam | Meigs | 630 | Rutland |
| Ohio Power Company Pond Mb-165 Dam | Ohio Power Company Pond Mb-165 Dam | Morgan | 876 | Reinersville |
| Ohio Power Company Pond 9516-010 Dam | Ohio Power Company Pond 9516-010 Dam | Morgan | 889 | McConnelsville |
| Pschesang Lake Dam | Pschesang Lake Dam | Brown | 965 | Fayetteville |
| Stokes Lake Dam | Stokes Lake Dam | Clinton | 991 | Clarksville |
| Broken Aro Sedimentation Dam Number Four | Broken Aro Sedimentation Dam Number Four | Coshocton | 922 | Conesville |
| Forest Hill Park Dam Number Two | Forest Hill Park Dam Number Two | Cuyahoga | 807 | East Cleveland |
| Gavin Fly Ash Dam | Gavin Fly Ash Dam | Gallia | 705 | Addison |
| Cardinal Fly Ash Retention Dam | Cardinal Fly Ash Retention Dam | Jefferson | 988 | Steubenville West |
| P E Grubb Lake Dam | P E Grubb Lake Dam | Licking | 1155 | Johnstown |
| Christian Center Lake Dam | Christian Center Lake Dam | Licking | 1047 | Pataskala |
| Karr Lake Dam | Karr Lake Dam | Meigs | 741 | Chester |
| Shelton Lake Dam | Shelton Lake Dam | Perry | 1030 | Thornville |
| Camp Jungen Lake Dam | Camp Jungen Lake Dam | Tuscarawas | 1089 | Stone Creek |
| Chippewa Conservation District Structure VII C Dam | Chippewa Conservation District Structure VII C Dam | Wayne | 997 | Rittman |
| Caesar Creek Lake Dam | Caesar Creek Lake Dam | Warren | 981 | Clarksville |
| Caesar Creek Lake Dike A | Caesar Creek Lake Dike A | Warren | 981 | Clarksville |
| William A Harsha Lake Dam | William A Harsha Lake Dam | Clermont | 883 | Bethel |
| Fair Haven Lake Dam | Fair Haven Lake Dam | Lawrence | 705 | Kitts Hill |
| Alum Creek Lake Dam | Alum Creek Lake Dam | Delaware | 823 | Galena |
| Golden Bear Reservoir Dam | Golden Bear Reservoir Dam | Delaware | 879 | Shawnee Hills |
| Lake Litchfield Dam | Lake Litchfield Dam | Summit | 833 | Peninsula |
| Quail Hollow Lake Dam | Quail Hollow Lake Dam | Lake | 840 | Painesville |
| The Meadows Retention Dam | The Meadows Retention Dam | Summit | 1014 | Hudson |
| Chateau Lakes Dam Number One | Chateau Lakes Dam Number One | Hamilton | 745 | Addyston |
| Chateau Lakes Dam Number Two | Chateau Lakes Dam Number Two | Hamilton | 741 | Addyston |
| Holiday Camplands Lake Dam | Holiday Camplands Lake Dam | Ashtabula | 1056 | Leon |
| Lankamer Lake Dam | Lankamer Lake Dam | Vinton | 827 | Hamden |
| Woodcreek Dam | Woodcreek Dam | Clermont | 761 | Madeira |
| Gross Dam | Gross Dam | Wayne | 945 | Wooster |
| New Slag Tailings Pond Dike Dam | New Slag Tailings Pond Dike Dam | Washington | 633 | Parkersburg |
| Kettenring Hills Dam | Kettenring Hills Dam | Defiance | 712 | Defiance East |
| Effluent Treatment Pond Number Four Dam | Effluent Treatment Pond Number Four Dam | Ashtabula | 646 | Ashtabula North |
| Burton Lake Dam | Burton Lake Dam | Warren | 823 | Pleasant Plain |
| Pine Lake Estates Dam | Pine Lake Estates Dam | Fairfield | 850 | Lancaster |
| Lake Romona Dam | Lake Romona Dam | Fairfield | 850 | Clearport |
| Moe Pond Dam | Moe Pond Dam | Fairfield | 1109 | Amanda |
| State Route 800 Dam | State Route 800 Dam | Belmont | 984 | Fairview |
| New London Upground Reservoir Dam | New London Upground Reservoir Dam | Huron | 1001 | New London |
| Izaak Walton Lake Dam | Izaak Walton Lake Dam | Lawrence | 761 | Sherritts |
| Postelwaite Lake Dam | Postelwaite Lake Dam | Licking | 1089 | Granville |
| Memory Lanes Park Lake Dam | Memory Lanes Park Lake Dam | Fairfield | 961 | Rushville |
| Lake Eagle Claw Dam | Lake Eagle Claw Dam | Hocking | 837 | Bremen |
| Crawley Lake Dam | Crawley Lake Dam | Ross | 958 | South Salem |
| Steve Finlaw Lake Dam | Steve Finlaw Lake Dam | Meigs | 692 | New Haven |
| Nobles Paradise Lake Dam | Nobles Paradise Lake Dam | Gallia | 840 | Mercerville |
| Margaret Creek Watershed Project Number One Dam | Margaret Creek Watershed Project Number One Dam | Athens | 712 | Albany |
| George McClure Pond Dam | George McClure Pond Dam | Lawrence | 705 | Sherritts |
| Marquette Cement Company Dam Number One | Marquette Cement Company Dam Number One | Lawrence | 702 | Pedro |
| Oak Hill Upground Reservoir Dam | Oak Hill Upground Reservoir Dam | Jackson | 715 | Oak Hill |
| Sickles Pond Dam | Sickles Pond Dam | Jackson | 741 | Wellston |
| Wagner Pond Dam | Wagner Pond Dam | Washington | 830 | Watertown |
| Blanchester Reservoir Number Three Dam | Blanchester Reservoir Number Three Dam | Clinton | 974 | Blanchester |
| Moore Lake Dam | Moore Lake Dam | Coshocton | 761 | Trinway |
| Camp Crowell Dam | Camp Crowell Dam | Summit | 1073 | West Richfield |
| Gavin Bottom Ash Pond Dam | Gavin Bottom Ash Pond Dam | Gallia | 568 | Addison |
| Middle Reservoir Fly Ash Dam | Middle Reservoir Fly Ash Dam | Washington | 801 | Beverly |
| Lower Reservoir Bottom Ash Dam | Lower Reservoir Bottom Ash Dam | Washington | 722 | Beverly |
| Units 1-4 Bottom Ash Pond Dam | Units 1-4 Bottom Ash Pond Dam | Washington | 640 | Beverly |
| Boka Woods Number One Dam | Boka Woods Number One Dam | Fairfield | 968 | Lancaster |
| Ahrens Lake Dam | Ahrens Lake Dam | Richland | 1342 | Blooming Grove |
| Gleasonkamp Pond Dam | Gleasonkamp Pond Dam | Delaware | 938 | Delaware |
| Whispering Pines Pond Dam | Whispering Pines Pond Dam | Delaware | 978 | Ashley |
| Hosterman Lake Dam | Hosterman Lake Dam | Clark | 925 | Donnelsville |
| Banks Pond Dam | Banks Pond Dam | Richland | 1286 | Perrysville |
| Lake Maria Dam | Lake Maria Dam | Richland | 1309 | Mansfield South |
| Fallerius Pond Dam | Fallerius Pond Dam | Richland | 1358 | Mansfield South |
| East Fork Lake Saddle Dam | East Fork Lake Saddle Dam | Clermont | 883 | Bethel |
| Walden Dam | Walden Dam | Portage | 1014 | Twinsburg |
| Caesar Creek Dike B Dam | Caesar Creek Dike B Dam | Warren | 876 | Waynesville |
| Caesar Creek Dike F Dam | Caesar Creek Dike F Dam | Warren | 886 | Waynesville |
| Muskingum River Fly Ash Dam | Muskingum River Fly Ash Dam | Washington | 820 | Beverly |
| Sharonville Retention Dam | Sharonville Retention Dam | Hamilton | 709 | Glendale |
| Guffey Lake Dam | Guffey Lake Dam | Montgomery | 794 | Middletown |
| Lake Peniel Dam | Lake Peniel Dam | Morrow | 1161 | Chesterville |
| Dogwood Valley Camp Lake Dam | Dogwood Valley Camp Lake Dam | Morrow | 1135 | Mount Gilead |
| Pabst Lake Dam | Pabst Lake Dam | Crawford | 1099 | North Robinson |
| Sugar Grove Lake Dam | Sugar Grove Lake Dam | Crawford | 1053 | Caledonia |
| Slyman Lake Dam | Slyman Lake Dam | Ashland | 1093 | Ashland North |
| Lance Lake Dam | Lance Lake Dam | Ashland | 1047 | Ashland North |
| Dela Pama Fishing Lake Dam | Dela Pama Fishing Lake Dam | Clermont | 873 | Williamsburg |
| Larry Peairs Memorial Lake Dam | Larry Peairs Memorial Lake Dam | Geauga | 1135 | Middlefield |
| Rohrs Lake Dam | Rohrs Lake Dam | Ashland | 1106 | Nova |
| Mount Orab Upground Reservoir Dam | Mount Orab Upground Reservoir Dam | Brown | 912 | Mount Orab |
| Mount Gilead Upper Lake Dam | Mount Gilead Upper Lake Dam | Morrow | 1109 | Mount Gilead |
| Bear Pond Dam | Bear Pond Dam | Butler | 902 | West Elkton |
| Owen Pond Dam | Owen Pond Dam | Geauga | 974 | Garrettsville |
| Paw Paw Lake Dam | Paw Paw Lake Dam | Geauga | 1109 | South Russell |
| Rock Island Lake Dam | Rock Island Lake Dam | Mahoning | 981 | Youngstown |
| Darrow Pond Dam | Darrow Pond Dam | Guernsey | 988 | Plainfield |
| Bunker Hill Haven Lake Dam | Bunker Hill Haven Lake Dam | Butler | 758 | Millville |
| Dever Pond Dam | Dever Pond Dam | Butler | 735 | Shandon |
| Fourmile Lake Dam | Fourmile Lake Dam | Hamilton | 673 | Newport |
| Timbre Ridge Lake Dam | Timbre Ridge Lake Dam | Lawrence | 758 | Waterloo |
| Clinton County Tributary Number One Dam | Clinton County Tributary Number One Dam | Clinton | 1040 | Wilmington |
| Tall Tinber Lake Dam | Tall Tinber Lake Dam | Tuscarawas | 958 | Mineral City |
| Hickory Hollow Lake Dam | Hickory Hollow Lake Dam | Guernsey | 892 | Birmingham |
| Plymouth Waste Treatment Pond Dam | Plymouth Waste Treatment Pond Dam | Huron | 958 | Willard |
| Clermont NE Schools Lake Dam | Clermont NE Schools Lake Dam | Clermont | 869 | Newtonsville |
| Ockenga Pond Dam | Ockenga Pond Dam | Huron | 856 | Clarksfield |
| Lahmers Lake Dam | Lahmers Lake Dam | Tuscarawas | 988 | Strasburg |
| Chiefs Lake Dam | Chiefs Lake Dam | Warren | 919 | Clarksville |
| Ohio Power Company Pond Number 9515-025 Dam | Ohio Power Company Pond Number 9515-025 Dam | Morgan | 817 | Reinersville |
| Ohio Power Company Pond Mmv-5 Dam | Ohio Power Company Pond Mmv-5 Dam | Morgan | 781 | Reinersville |
| Ohio Power Company Pond Mm-49 Dam | Ohio Power Company Pond Mm-49 Dam | Morgan | 794 | Reinersville |
| Ohio Power Company Pond Nb-43 Dam | Ohio Power Company Pond Nb-43 Dam | Noble | 853 | Cumberland |
| Ohio Power Company Pond Nb-40 Dam | Ohio Power Company Pond Nb-40 Dam | Noble | 906 | Cumberland |
| Ohio Power Company Pond Nb-90 Dam | Ohio Power Company Pond Nb-90 Dam | Noble | 807 | Cumberland |
| Ohio Power Company Pond Mm-85 Dam | Ohio Power Company Pond Mm-85 Dam | Morgan | 869 | Cumberland |
| Lawrence Pond Dam | Lawrence Pond Dam | Hamilton | 761 | Madeira |
| Peabody Coal Company Pond 0115-011 Dam | Peabody Coal Company Pond 0115-011 Dam | Muskingum | 797 | Plainfield |
| Central Ohio Coal Company Nb-151 Dam | Central Ohio Coal Company Nb-151 Dam | Noble | 958 | Caldwell North |
| Schafer Lake Dam | Schafer Lake Dam | Noble | 883 | Macksburg |
| Quarto Mine Number Four Dam Number One | Quarto Mine Number Four Dam Number One | Monroe | 653 | Powhatan Point |
| Quarto Mine Number Four Dam Number Two | Quarto Mine Number Four Dam Number Two | Monroe | 650 | Powhatan Point |
| Quarto Mine Number Four Dam Number Three | Quarto Mine Number Four Dam Number Three | Monroe | 659 | Powhatan Point |
| Quarto Mine Number Four Dam Number Four | Quarto Mine Number Four Dam Number Four | Monroe | 653 | Powhatan Point |
| Quarto Mine Number Four Dam Number Five | Quarto Mine Number Four Dam Number Five | Monroe | 650 | Powhatan Point |
| Fay Dam | Fay Dam | Harrison | 1109 | Amsterdam |
| Cincinnati Gas and Electric Lake Dam | Cincinnati Gas and Electric Lake Dam | Clermont | 509 | New Richmond |
| Consoldiation Coal Company Pond 0107-034 Dam | Consoldiation Coal Company Pond 0107-034 Dam | Harrison | 1129 | Harrisville |
| Ohio Power Company Pond Mb-144 Dam | Ohio Power Company Pond Mb-144 Dam | Morgan | 869 | McConnelsville |
| C M Luburgh Estate Pond Number 9717-005 Dam | C M Luburgh Estate Pond Number 9717-005 Dam | Muskingum | 837 | Zanesville East |
| C M Luburgh Estate Pond Number 9717-011 Dam | C M Luburgh Estate Pond Number 9717-011 Dam | Muskingum | 879 | Zanesville East |
| Smith Pond Dam | Smith Pond Dam | Carroll | 1033 | Carrollton |
| Trail Run Lakes Dam | Trail Run Lakes Dam | Carroll | 1076 | Carrollton |
| Pride Valley Beach Club Dam | Pride Valley Beach Club Dam | Carroll | 1053 | Malvern |
| Fairmount Upground Reservoir Dam | Fairmount Upground Reservoir Dam | Cuyahoga | 741 | Shaker Heights |
| Salem Reservoir West Embankment Dam | Salem Reservoir West Embankment Dam | Columbiana | 1161 | Lisbon |
| Salem Reservoir East Embankment Dam | Salem Reservoir East Embankment Dam | Columbiana | 1168 | Lisbon |
| Lake Ber Al Dam | Lake Ber Al Dam | Lorain | 1037 | Nova |
| Livezey Lake Dam | Livezey Lake Dam | Belmont | 1257 | Barnesville |
| Van Horn Pond Dam | Van Horn Pond Dam | Harrison | 1004 | Deersville |
| Summitville Clay Works Pond Dam | Summitville Clay Works Pond Dam | Columbiana | 1109 | Kensington |
| Big Island Wildlife Area Dam | Big Island Wildlife Area Dam | Marion | 919 | New Bloomington |
| Ottawa Upground Reservoir Dam | Ottawa Upground Reservoir Dam | Putnam | 725 | Ottawa |
| Brukner Lake Dam | Brukner Lake Dam | Miami | 945 | Pleasant Hill |
| Tumlin Lake Dam | Tumlin Lake Dam | Hamilton | 548 | Hooven |
| Green Lake Dam | Green Lake Dam | Hamilton | 837 | Addyston |
| Carol-Jane Lake Dam | Carol-Jane Lake Dam | Medina | 1030 | Medina |
| Carroll Kemp Corporation Dam | Carroll Kemp Corporation Dam | Carroll | 1066 | Carrollton |
| Jefferson Sportsmens Lake Number Two Dam | Jefferson Sportsmens Lake Number Two Dam | Jefferson | 1168 | Smithfield |
| Smithfield Lions Club Lake Dam | Smithfield Lions Club Lake Dam | Jefferson | 1243 | Smithfield |
| Consolidation Coal Company Pond 0010-016 Dam | Consolidation Coal Company Pond 0010-016 Dam | Belmont | 1184 | Fairview |
| Ohio Power Company Pond Mur-4 Dam | Ohio Power Company Pond Mur-4 Dam | Muskingum | 1033 | New Concord |
| Ohio Power Company Pond Mum-87 Dam | Ohio Power Company Pond Mum-87 Dam | Muskingum | 961 | Cumberland |
| Dunlap Lake Dam | Dunlap Lake Dam | Pickaway | 817 | Clarksburg |
| Darrow Lake Dam | Darrow Lake Dam | Guernsey | 988 | Plainfield |
| Ohio Power Company Pond Mur-12 Dam | Ohio Power Company Pond Mur-12 Dam | Muskingum | 1007 | Cumberland |
| Ohio Power Company Pond Mur-31 Dam | Ohio Power Company Pond Mur-31 Dam | Muskingum | 981 | Cumberland |
| Ohio Power Company Pond Mur-32 Dam | Ohio Power Company Pond Mur-32 Dam | Muskingum | 853 | Carroll |
| Rush Creek Watershed Structure VI-D Dam | Rush Creek Watershed Structure VI-D Dam | Fairfield | 922 | Rushville |
| Ohio Power Company Pond Mum-48 Dam | Ohio Power Company Pond Mum-48 Dam | Muskingum | 984 | Cumberland |
| Ohio Power Company Pond Mum-91 Dam | Ohio Power Company Pond Mum-91 Dam | Muskingum | 955 | Cumberland |
| Ohio Power Company Pond Mum-92 Dam | Ohio Power Company Pond Mum-92 Dam | Muskingum | 951 | Cumberland |
| Brookside Development Company Dam | Brookside Development Company Dam | Medina | 1024 | Seville |
| Baldwin Lake Dam | Baldwin Lake Dam | Cuyahoga | 774 | Berea |
| Miranda Pond Dam | Miranda Pond Dam | Medina | 1040 | Medina |
| Winding Trail Lake Dam | Winding Trail Lake Dam | Medina | 1027 | Medina |
| McComb Upground Reservoir Number Two Dam | McComb Upground Reservoir Number Two Dam | Hancock | 784 | McComb |
| Evergreen Lake Dam | Evergreen Lake Dam | Lucas | 663 | Whitehouse |
| Hays Lake Dam | Hays Lake Dam | Williams | 994 | Nettle Lake |
| Kohl Lake Dam | Kohl Lake Dam | Williams | 991 | Nettle Lake |
| Carter and Evans Lake Dam | Carter and Evans Lake Dam | Gallia | 659 | Addison |
| Saint John Vianney Seminary Dam | Saint John Vianney Seminary Dam | Jefferson | 945 | Richmond |
| Williams Burg Lake - East Dam | Williams Burg Lake - East Dam | Wood | 640 | Grand Rapids |
| Csonka Brothers Pond Dam | Csonka Brothers Pond Dam | Columbiana | 853 | Ashtabula South |
| Dush Pond Dam | Dush Pond Dam | Wayne | 843 | Holmesville |
| Tycoon Lake - East Dam | Tycoon Lake - East Dam | Gallia | 614 | Vinton |
| Nacco Slurry Refuse Disposal Dam | Nacco Slurry Refuse Disposal Dam | Belmont | 1145 | Armstrongs Mills |
| Union Carbide Waste Retention Dam | Union Carbide Waste Retention Dam | Washington | 751 | Fleming |
| Georgetown Upper Dam Number One | Georgetown Upper Dam Number One | Harrison | 1096 | Harrisville |
| Georgetown Upper Dam Number Two | Georgetown Upper Dam Number Two | Harrison | 1066 | Harrisville |
| Ohio Power Company Pond Mum-90 Dam | Ohio Power Company Pond Mum-90 Dam | Muskingum | 1043 | Cumberland |
| Stuart Ash Pit Number 8 Dam | Stuart Ash Pit Number 8 Dam | Adams | 535 | Maysville East |
| Rush Creek Conservation District Structure 6d Dam | Rush Creek Conservation District Structure 6d Dam | Fairfield | 896 | Rushville |
| Mowrer Lake Dam | Mowrer Lake Dam | Wayne | 889 | New Pittsburg |
| Cuyahoga Falls Low Head Dam | Cuyahoga Falls Low Head Dam | Summit | 1010 | Hudson |
| Consolidation Coal Company Pond 0110-024 Dam | Consolidation Coal Company Pond 0110-024 Dam | Harrison | 1066 | Flushing |
| Consolidation Coal Company Pond 0110-028 Dam | Consolidation Coal Company Pond 0110-028 Dam | Harrison | 1178 | Flushing |
| Sally Buffalo Park Dam Number Two | Sally Buffalo Park Dam Number Two | Harrison | 1106 | Jewett |
| Quarto Number Seven Slurry Impoundment Three Dam | Quarto Number Seven Slurry Impoundment Three Dam | Monroe | 673 | Round Bottom |
| Forest Lake Dam | Forest Lake Dam | Medina | 994 | Medina |
| Pine Lake Dam | Pine Lake Dam | Summit | 1020 | Hudson |
| Consolidation Coal Company Pond 0110-017 Dam | Consolidation Coal Company Pond 0110-017 Dam | Harrison | 1033 | Flushing |
| Sunnyhill Slurry Structures 1, Two and Three | Sunnyhill Slurry Structures 1, Two and Three | Perry | 896 | New Lexington |
| Clendening Dam | Clendening Dam | Harrison | 896 | Tippecanoe |
| R and F Coal Fresh Water Dam | R and F Coal Fresh Water Dam | Belmont | 974 | Saint Clairsville |
| Bolivar Dam | Bolivar Dam | Tuscarawas | 909 | Bolivar |
| Lock and Dam Number 11 (historical) | Lock and Dam Number 11 (historical) | Jefferson | 640 | Tiltonsville |
| Warrenton Farms Dam | Warrenton Farms Dam | Clermont | 856 | Withamsville |
| Robins Ridge Golf Club Dam Number One | Robins Ridge Golf Club Dam Number One | Guernsey | 860 | Senecaville |
| Dam Number 1 (historical) | Dam Number 1 (historical) | Washington | 584 | Marietta |
| Lock Number 2 | Lock Number 2 | Washington | 600 | Marietta |
| Spring Lake Dam | Spring Lake Dam | Montgomery | 938 | Dayton North |
| Belleville Lock and Dam | Belleville Lock and Dam | Meigs | 561 | Pond Creek |
| Lock Number 44 | Lock Number 44 | Lucas | 640 | Grand Rapids |