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 226–250 of 501
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Jm Stuart Station Ash Pond No. 5 Adams County | 41 | — | Significant | Poor |
| Jm Stuart Station Ash Pond No. 6 Adams County | 31 | — | Significant | Poor |
| Jm Stuart Station Ash Pond No. 7 Adams County | 39 | — | Significant | Poor |
| Killdeer Wildlife Pond 27 Southwest Cell Wyandot County | 9 | — | Significant | Poor |
| King'S Lake Dam Mahoning County | 14 | 1957 | Low | Poor |
| Kirila Pond Dam Trumbull County | 46 | 1950 | Significant | Poor |
| Kittredge Arboretum Lake Dam Geauga County | 26 | 1965 | Significant | Poor |
| Knowlton'S Pond Dam Muskingum County | 25 | 1950 | Low | Poor |
| Lahmers Lake Dam Tuscarawas County | 25 | 1967 | Low | Poor |
| Lake Alma Dam Vinton County | 16 | 1902 | High | Poor |
| Lake Asegra Dam Ashtabula County | 29 | 1944 | Significant | Poor |
| Lake Cable Dam Stark County | 25 | 1926 | High | Poor |
| Lake `C' Dam Williams County | 36 | 1971 | Low | Poor |
| Lake Cha-Vel Dam Columbiana County | 35 | 1950 | Significant | Poor |
| Lake Choctaw Dam Madison County | 42 | 1964 | High | Poor |
| Lake Cohasset Dam Mahoning County | 25 | 1897 | Significant | Poor |
| Lake Copeland Dam Columbiana County | 28 | 1956 | Significant | Poor |
| Lake Crum Dam Delaware County | 23 | 1974 | Low | Poor |
| Lake Damascus Dam Knox County | 31 | 2010 | High | Poor |
| Lake Daugherty Upground Reservoir Hancock County | 12 | 1891 | Significant | Poor |
| Lake Forest Estates Dam Summit County | 21 | — | Significant | Poor |
| Lake George Dam Ashtabula County | 17 | 1964 | Significant | Poor |
| Lake Gloria Dam Hamilton County | 11 | — | Low | Poor |
| Lake Grant Dam Brown County | 32 | 1948 | High | Poor |
| Lake Hamilton Dam Mahoning County | 70 | 1905 | High | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.