Ohio Dams
1,377 dams tracked by the National Inventory of Dams
Total Dams
1,377
High Hazard
397
28.8%
Poor / Unsatisfactory
509
Average Age
65 yrs
Hazard Classification
High397 (28.8%)
Significant564 (41.0%)
Low339 (24.6%)
Condition Assessment
Satisfactory324 (23.5%)
Fair421 (30.6%)
Poor / Unsatisfactory509 (37.0%)
Not Rated123 (8.9%)
Federal
39
State
115
Local
356
Private
753
Tallest Dams
High Hazard Dams
Poor Condition Dams
All Dams in Ohio
Showing 301–325 of 564
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Hodgson Dam Portage County | 25 | 1843 | Significant | Fair |
| Lake Hill Lodge Dam Delaware County | 14 | 1962 | Significant | Fair |
| Lake George Dam Ashtabula County | 17 | 1964 | Significant | Poor |
| Lake Forest Estates Dam Summit County | 21 | — | Significant | Poor |
| Lake Forest Dam Summit County | 16 | 1952 | Significant | Satisfactory |
| Lake Forest Dam Lawrence County | 37 | 1958 | Significant | Satisfactory |
| Lake Eagle Claw Dam Hocking County | 54 | 1962 | Significant | Fair |
| Lake Deerfoot Dam Hocking County | 16 | — | Significant | Satisfactory |
| Lake Daugherty Upground Reservoir Hancock County | 12 | 1891 | Significant | Poor |
| Lake Copeland Dam Columbiana County | 28 | 1956 | Significant | Poor |
| Lake Cohasset Dam Mahoning County | 25 | 1897 | Significant | Poor |
| Lake Cha-Vel Dam Columbiana County | 35 | 1950 | Significant | Poor |
| Lake Cardinal Dam Ashtabula County | 31 | 1927 | Significant | Satisfactory |
| Lake Asegra Dam Ashtabula County | 29 | 1944 | Significant | Poor |
| Lake Arrowhead Dam Hocking County | 29 | — | Significant | Fair |
| Lababidi Lake Dam Summit County | 14 | — | Significant | Unsatisfactory |
| Kyger Creek Tailings Pond Gallia County | 32 | 1955 | Significant | Fair |
| Kyger Creek South Fly Ash Pond Gallia County | 40 | 1955 | Significant | Satisfactory |
| Kyger Creek Bottom Ash Pond Gallia County | 41 | 1955 | Significant | Fair |
| Kunkle Wwt Lagoons Williams County | 17 | 2021 | Significant | Satisfactory |
| Knoles Pond Dam Ross County | 28 | 1965 | Significant | Fair |
| Kittredge Arboretum Lake Dam Geauga County | 26 | 1965 | Significant | Poor |
| Kirila Pond Dam Trumbull County | 46 | 1950 | Significant | Poor |
| Killdeer Wildlife Pond 27 Southwest Cell Wyandot County | 9 | — | Significant | Poor |
| Kenridge Lake Dam Hamilton County | 20 | — | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.