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 601–625 of 1,377
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Kiser Lake Dam Champaign County | 25 | 1939 | High | Fair |
| Kittredge Arboretum Lake Dam Geauga County | 26 | 1965 | Significant | Poor |
| Knoles Pond Dam Ross County | 28 | 1965 | Significant | Fair |
| Knowlton'S Pond Dam Muskingum County | 25 | 1950 | Low | Poor |
| Knox Cattle Company Dam Knox County | 20 | 1945 | High | Unsatisfactory |
| Knox Lake Dam Knox County | 52 | 1954 | High | Satisfactory |
| Kraus Lake Dam Miami County | 8 | 1959 | Undetermined | Not Rated |
| Kreis Dam Hamilton County | 37 | 1936 | High | Fair |
| Kunkle Wwt Lagoons Williams County | 17 | 2021 | Significant | Satisfactory |
| Kyger Creek Bottom Ash Pond Gallia County | 41 | 1955 | Significant | Fair |
| Kyger Creek South Fly Ash Pond Gallia County | 40 | 1955 | Significant | Satisfactory |
| Kyger Creek Tailings Pond Gallia County | 32 | 1955 | Significant | Fair |
| Lababidi Lake Dam Summit County | 14 | — | Significant | Unsatisfactory |
| Lahmers Lake Dam Tuscarawas County | 25 | 1967 | Low | Poor |
| Lake `A' Dam Williams County | 31 | 1966 | Low | Fair |
| Lake Alma Dam Vinton County | 16 | 1902 | High | Poor |
| Lake Arrowhead Dam Hocking County | 29 | — | Significant | Fair |
| Lake Asegra Dam Ashtabula County | 29 | 1944 | Significant | 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 Cardinal Dam Ashtabula County | 31 | 1927 | Significant | Satisfactory |
| Lake `C' Dam Williams County | 36 | 1971 | Low | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.