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 176–200 of 397
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Alma Dam Vinton County | 16 | 1902 | High | Poor |
| Lake Austin Dam Jefferson County | 39 | 1947 | High | Satisfactory |
| Lake Brunswick Dam Medina County | 16 | 1930 | High | Satisfactory |
| Lake Buckhorn Dam Holmes County | 65 | 1967 | High | Fair |
| Lake Butler Dam Summit County | 51 | 1961 | High | Satisfactory |
| Lake Cable Dam Stark County | 25 | 1926 | High | Poor |
| Lake Choctaw Dam Madison County | 42 | 1964 | High | Poor |
| Lake Damascus Dam Knox County | 31 | 2010 | High | Poor |
| Lake Dorothy Dam Summit County | 36 | 1929 | High | Fair |
| Lake Emma Dam Scioto County | 27 | 1987 | High | Fair |
| Lake Grant Dam Brown County | 32 | 1948 | High | Poor |
| Lake Hamilton Dam Mahoning County | 70 | 1905 | High | Poor |
| Lake Haven Dam Medina County | 26 | 1982 | High | Fair |
| Lake-In-The-Woods Dam Geauga County | 26 | 1985 | High | Fair |
| Lake Katharine Dam Jackson County | 27 | 1945 | High | Poor |
| Lake Lakengren Dam Preble County | 74 | 1970 | High | Poor |
| Lake Lamberjack Upground Reservoir Hancock County | 19 | 1919 | High | Poor |
| Lake Litchfield Dam Summit County | 69 | 1975 | High | Satisfactory |
| Lake Logan Dam Hocking County | 43 | 1954 | High | Poor |
| Lake Loramie Dam Shelby County | 23 | 1844 | High | Poor |
| Lake Lucerne Dam Geauga County | 30 | 1922 | High | Poor |
| Lake Marinole Dam Montgomery County | 29 | 1966 | High | Satisfactory |
| Lake Medina Dam Medina County | 40 | 1966 | High | Fair |
| Lake Milton Dam Mahoning County | 53 | 1916 | High | Poor |
| Lake Mohawk Dam Carroll County | 42 | 1963 | High | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.