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 401–425 of 564
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Freshwater Cross-Valley Pond 001 Dam Jackson County | 17 | 1981 | Significant | Poor |
| Fowler'S Mill Golf Course Upground Geauga County | 12 | 1971 | Significant | Poor |
| Four Mile Creek Site 10 Preble County | 17 | 2000 | Significant | Satisfactory |
| Fort Jennings Wwt Lagoon Putnam County | 15 | 2002 | Significant | Satisfactory |
| Forest Meadows Lake Park Dam Medina County | 13 | — | Significant | Poor |
| Forest Meadows Lake Dam Medina County | 11 | 1959 | Significant | Poor |
| Forest Hill Lake Camping Dam Coshocton County | 31 | 1947 | Significant | Poor |
| Flying Finn Lake Dam Columbiana County | 29 | 1966 | Significant | Poor |
| Fisher Lake Dam Greene County | 22 | 1960 | Significant | Poor |
| Fish Bones Lake Dam Monroe County | 51 | 2003 | Significant | Satisfactory |
| Fischer Lake Dam Ashtabula County | 14 | — | Significant | Poor |
| Fieldstone Lake Dam Stark County | 35 | 2001 | Significant | Satisfactory |
| Fenwick Home Company Lake Dam Warren County | 21 | 1969 | Significant | Poor |
| Fayette Sewage Lagoons Fulton County | 15 | 1963 | Significant | Fair |
| Faith Ranch Lake Dam Harrison County | 28 | 1950 | Significant | Poor |
| Fairgreens Golf Club Dam Jackson County | 20 | 1973 | Significant | Satisfactory |
| Evergreen Lake Dam Lucas County | 20 | 1955 | Significant | Fair |
| Eramet Slag Tailings Pond Washington County | 25 | 1975 | Significant | Poor |
| Eramet Fluid Waste Pond 1a Washington County | 35 | 1975 | Significant | Poor |
| Epworth Park Lake Dam Belmont County | 15 | — | Significant | Poor |
| Ellis Lake No. 2 Dam Wyandot County | 25 | 1955 | Significant | Fair |
| Ellis Lake Dam Wyandot County | 22 | 1961 | Significant | Poor |
| Ella Street Low Head Dam Seneca County | 9 | — | Significant | Satisfactory |
| Elks Country Club Lake Dam Scioto County | 28 | 1966 | Significant | Poor |
| Elkem Sludge Holding Pond 5c Dam Ashtabula County | 20 | 1988 | Significant | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.