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 126–150 of 501
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Roberts Lake Dam Clinton County | 19 | — | Significant | Poor |
| Roaming Rock Shores Lake Dam Ashtabula County | 45 | 1967 | High | Poor |
| Ritz Lake Dam Guernsey County | 30 | 1973 | Low | Poor |
| Rio Grande Reservoir Gallia County | 30 | 1959 | High | Poor |
| Ridgewood Lake Dam Medina County | 12 | 1965 | High | Poor |
| R-Farm Lake Dam Medina County | 30 | 1939 | Low | Poor |
| Remick Lake Dam Warren County | 29 | 1966 | High | Poor |
| Reed Lake Dam Carroll County | 27 | 1970 | Significant | Poor |
| Rayls Lake Dam Columbiana County | 22 | 1955 | Significant | Poor |
| Ravines of Eastgate Dam Clermont County | 15 | 1995 | Significant | Poor |
| Rainbow Lake Dam Athens County | 31 | — | Significant | Poor |
| Private Lake Dam Ashtabula County | 19 | 1964 | Low | Poor |
| Powers Upground Reservoir Crawford County | 28 | 1954 | High | Poor |
| Pleasant Valley Lake Dam Trumbull County | 20 | 1925 | High | Poor |
| Pixelle Upground Reservoir Ross County | 14 | — | Significant | Poor |
| Pischieri Pond Dam Medina County | 37 | 1957 | Significant | Poor |
| Pine Valley Sportsmen'S Lake No. 4 Dam Jefferson County | 22 | 1964 | High | Poor |
| Pine Valley Sportsmen'S Lake No. 3 Dam Jefferson County | 31 | 1964 | Significant | Poor |
| Pine Valley Sportsmen'S Lake No. 2 Dam Jefferson County | 21 | — | Significant | Poor |
| Pine Lake Estates Dam Fairfield County | 26 | 1962 | High | Poor |
| Pine Lake Dam Logan County | 25 | — | High | Poor |
| Peterson Lake Dam Stark County | 17 | 1954 | Low | Poor |
| Perry Reclamation Dam No. 2 Perry County | 27 | — | Low | Poor |
| Paw Paw Lake Dam Geauga County | 15 | 1920 | Low | Poor |
| Paul'S Lake Dam Darke County | 17 | — | Significant | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.