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 1301–1325 of 1,377
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Beaver Creek Upground Reservoir Seneca County | 34 | 1971 | High | Fair |
| Bear Town Lake Dam Geauga County | 21 | 1960 | Low | Satisfactory |
| Bear Pond Dam Butler County | 26 | 1959 | Undetermined | Not Rated |
| Bear Lake Dam Defiance County | 20 | — | Undetermined | Not Rated |
| Bear Creek Lake Dam Scioto County | 26 | 1935 | High | Fair |
| Beach City Dam Tuscarawas County | 68 | 1936 | High | Not Available |
| Bayberry Cove Development Dam Greene County | 15 | 1979 | Significant | Poor |
| Battles Pond Dam Hardin County | 17 | 1952 | Low | Poor |
| Bates Pond Dam Jefferson County | 41 | 1960 | Significant | Poor |
| Bass Lake Dam Lake County | 20 | 1966 | Significant | Poor |
| Basin `B' Hamilton County | 50 | 1981 | Significant | Poor |
| Basin `A' Hamilton County | 50 | 1976 | Significant | Poor |
| Basich Lake Dam Jefferson County | 38 | 1963 | High | Satisfactory |
| Bash Lake Dam Ashland County | 22 | 1962 | Low | Poor |
| Barnesville Reservoir No. 3 Dam Belmont County | 77 | 1965 | High | Poor |
| Barnesville Reservoir No. 2 Dam Belmont County | 48 | 1936 | High | Poor |
| Barnesville Reservoir No. 1 Dam Belmont County | 42 | 1904 | High | Fair |
| Barnesville Lake Dam Belmont County | 32 | 1969 | High | Poor |
| Barhorst Lake Dam Shelby County | 33 | 1970 | Significant | Satisfactory |
| Bar-E Club Lake Dam Darke County | 32 | 1955 | Undetermined | Not Rated |
| Baptist Foundation Lake Dam Clinton County | 36 | 1972 | Significant | Fair |
| Baker Pond Dam Monroe County | 25 | — | Significant | Poor |
| Baker Lake Dam Monroe County | 37 | — | Significant | Poor |
| Baker Lake Dam Medina County | 13 | — | Undetermined | Poor |
| Baker Lake Dam Medina County | 19 | 1965 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.