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 339
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Timberlin Richland County | 31 | 1969 | Low | Fair |
| Lake Tomahawk Dam Hocking County | 36 | 1962 | Low | Satisfactory |
| Lake Valhalla Dam Preble County | 26 | 1970 | Low | Poor |
| Lake Wohelo Dam Carroll County | 15 | — | Low | Poor |
| Lamborn No. 3 Dam Harrison County | 35 | 1968 | Low | Fair |
| Lamborn No. 4 Dam Harrison County | 39 | 1968 | Low | Satisfactory |
| Lang Lake Dam Fairfield County | 19 | 1965 | Low | Poor |
| Larrick Lake Dam Guernsey County | 35 | 1981 | Low | Poor |
| Lawco Lake Dam Lawrence County | 17 | 1931 | Low | Satisfactory |
| Ledge Lake Dam Medina County | 38 | 1965 | Low | Satisfactory |
| Lewis Lake Dam Scioto County | 40 | 1990 | Low | Not Rated |
| Liggett Lake No. 1 Dam Union County | 19 | 1968 | Low | Poor |
| Limpert Lower Lake Dam Ashtabula County | 20 | 1963 | Low | Poor |
| Lindon Lake Dam Ashtabula County | 27 | 1961 | Low | Fair |
| Livezey Lake Dam Belmont County | 33 | 1975 | Low | Satisfactory |
| Loretta Lake Dam Lorain County | 20 | 1968 | Low | Fair |
| Luburgh Lake Dam No. 5 Muskingum County | 23 | 1963 | Low | Fair |
| Ludwig Dam Columbiana County | 15 | — | Low | Fair |
| Mader Pond Dam Harrison County | 29 | 1964 | Low | Unsatisfactory |
| Malabu Lake Dam Jefferson County | 29 | 1961 | Low | Poor |
| Malaga Lake Dam Monroe County | 31 | — | Low | Poor |
| Mcclain Lake Dam Licking County | 40 | 2018 | Low | Satisfactory |
| Mcclure Lake Dam Lawrence County | 36 | 1966 | Low | Fair |
| Mcgill Pond Dam Fairfield County | 25 | 1971 | Low | Not Available |
| Mcmillan Lake Dam Muskingum County | 27 | 1963 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.