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 151–175 of 339
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Jeffco Pond Dam Harrison County | 35 | — | Low | Poor |
| Jefferson Sportsman'S Lake No. 1 Dam Jefferson County | 39 | 1966 | Low | Satisfactory |
| Johnson Lake Dam Guernsey County | 12 | 1976 | Low | Fair |
| Karr Lake Dam Meigs County | 33 | 1974 | Low | Fair |
| Kenton Dam Gallia County | 30 | 1967 | Low | Not Rated |
| Kettenring Hills Lake Dam Defiance County | 30 | 1976 | Low | Fair |
| King'S Lake Dam Mahoning County | 14 | 1957 | Low | Poor |
| Kirby Lake Dam Summit County | 20 | 1929 | Low | Satisfactory |
| Knowlton'S Pond Dam Muskingum County | 25 | 1950 | Low | Poor |
| Lahmers Lake Dam Tuscarawas County | 25 | 1967 | Low | Poor |
| Lake `A' Dam Williams County | 31 | 1966 | Low | Fair |
| Lake `C' Dam Williams County | 36 | 1971 | Low | Poor |
| Lake Crum Dam Delaware County | 23 | 1974 | Low | Poor |
| Lake Glacier Dam Mahoning County | 24 | 1905 | Low | Fair |
| Lake Gloria Dam Hamilton County | 11 | — | Low | Poor |
| Lake Greenbriar Dam Tuscarawas County | 30 | 1971 | Low | Satisfactory |
| Lake Henry Dam Jefferson County | 34 | 1969 | Low | Satisfactory |
| Lake Kayla Dam Stark County | 31 | 1968 | Low | Fair |
| Lake Louise Dam Stark County | 25 | 1983 | Low | Fair |
| Lake Meek Dam Richland County | 26 | 1965 | Low | Satisfactory |
| Lake Milton Dam Jackson County | 34 | — | Low | Satisfactory |
| Lake Park Dam Mahoning County | 12 | 1900 | Low | Poor |
| Lake Ramona Dam Fairfield County | 23 | 1929 | Low | Satisfactory |
| Lake Royce Dam Ross County | 27 | 1960 | Low | Fair |
| Lake Silverstone Dam No. I Ashland County | 18 | 1955 | Low | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.