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 626–650 of 1,377
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| 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 Deerfoot Dam Hocking County | 16 | — | Significant | Satisfactory |
| Lake Dorothy Dam Summit County | 36 | 1929 | High | Fair |
| Lake Eagle Claw Dam Hocking County | 54 | 1962 | Significant | Fair |
| Lake Emma Dam Scioto County | 27 | 1987 | High | Fair |
| Lake Forest Dam Summit County | 16 | 1952 | Significant | Satisfactory |
| Lake Forest Dam Lawrence County | 37 | 1958 | Significant | Satisfactory |
| Lake Forest Estates Dam Summit County | 21 | — | Significant | Poor |
| Lake Galion Dam Crawford County | 15 | 1920 | Undetermined | Not Rated |
| Lake George Dam Ashtabula County | 17 | 1964 | Significant | Poor |
| Lake Glacier Dam Mahoning County | 24 | 1905 | Low | Fair |
| Lake Gloria Dam Hamilton County | 11 | — | Low | Poor |
| Lake Grant Dam Brown County | 32 | 1948 | High | Poor |
| Lake Greenbriar Dam Tuscarawas County | 30 | 1971 | Low | Satisfactory |
| Lake Hamilton Dam Mahoning County | 70 | 1905 | High | Poor |
| Lake Haven Dam Medina County | 26 | 1982 | High | Fair |
| Lake Henry Dam Jefferson County | 34 | 1969 | Low | Satisfactory |
| Lake Hill Lodge Dam Delaware County | 14 | 1962 | Significant | Fair |
| Lake Hodgson Dam Portage County | 25 | 1843 | Significant | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.