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 101–125 of 397
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Roaming Rock Shores Lake Dam Ashtabula County | 45 | 1967 | High | Poor |
| Rio Grande Reservoir Gallia County | 30 | 1959 | High | Poor |
| Ridgewood Lake Dam Medina County | 12 | 1965 | High | Poor |
| Reservoir Park Upground Summit County | 26 | 1910 | High | Fair |
| Remick Lake Dam Warren County | 29 | 1966 | High | Poor |
| Refuse Imp. (Sands Hill Reservoir) Vinton County | 100 | — | High | Not Available |
| Ravens Wood Lake Dam Medina County | 30 | 1973 | High | Satisfactory |
| Raccoon Creek Upground Reservoir Sandusky County | 29 | 1950 | High | Fair |
| Puskarich Lake Dam Carroll County | 42 | 1971 | High | Fair |
| Providence Dam Wood County | 9 | 1907 | High | Fair |
| Powers Upground Reservoir Crawford County | 28 | 1954 | High | Poor |
| Pond Lick Lake Dam Scioto County | 21 | 1938 | High | Satisfactory |
| Pleasant Valley Lake Dam Trumbull County | 20 | 1925 | High | Poor |
| Pleasant Hill Dam Ashland County | 113 | 1937 | High | Not Available |
| Pine Valley Sportsmen'S Lake No. 4 Dam Jefferson County | 22 | 1964 | High | Poor |
| Pine Lake Estates Dam Fairfield County | 26 | 1962 | High | Poor |
| Pine Lake Dam Mahoning County | 16 | 1911 | High | Satisfactory |
| Pine Lake Dam Logan County | 25 | — | High | Poor |
| Pine Hill Lake Dam Warren County | 31 | — | High | Satisfactory |
| Pine Creek Structure No. 8 Dam Lawrence County | 36 | 1972 | High | Fair |
| Pike Lake Dam Pike County | 31 | 1937 | High | Satisfactory |
| Piedmont Dam Harrison County | 56 | 1937 | High | Not Available |
| Paulding Upground Reservoir Paulding County | 24 | 1966 | High | Fair |
| Paradise Lakes - South Lake Dam Preble County | 40 | 1946 | High | Poor |
| Paradise Lakes - North Lake Dam Preble County | 32 | 1946 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.