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 351–375 of 397
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Bridge Creek Dam Geauga County | 40 | 1961 | High | Poor |
| Briarwood Sportsman'S Club No. 11 Dam Logan County | 50 | 1976 | High | Poor |
| Briar Hill Lake Dam Cuyahoga County | 24 | 1913 | High | Satisfactory |
| Bresler Upground Reservoir Allen County | 38 | 1970 | High | Fair |
| Bowling Green Upground Res & Sludge Lgns Wood County | 22 | 1989 | High | Satisfactory |
| Bolivar Dam Stark County | 87 | 1938 | High | Not Available |
| Blue Rock Lake Dam Muskingum County | 31 | 1937 | High | Satisfactory |
| Blue Heron Lake No. 5 Dam Medina County | 19 | — | High | Fair |
| Blue Heron Lake No. 1 Dam Medina County | 28 | — | High | Fair |
| Blanchester Res No. 6 Dam Clinton County | 24 | 2003 | High | Fair |
| Blanchester Reservoir No. 4 Dam Clinton County | 16 | 1950 | High | Unsatisfactory |
| Blanchester Reservoir No. 3 Dam Clinton County | 15 | 1934 | High | Poor |
| Big Bear Lake Dam Scioto County | 37 | 1972 | High | Poor |
| Bibbee'S Little Rock Lake Dam Columbiana County | 27 | 1960 | High | Poor |
| Bethesda Reservoir Dam Belmont County | 30 | 1959 | High | Satisfactory |
| Bethany Lake Dam Holmes County | 29 | 1962 | High | Satisfactory |
| Berlin Dam Mahoning County | 96 | 1943 | High | Not Available |
| Belmont Lake Dam Belmont County | 67 | 1961 | High | Poor |
| Belmont Hills Country Club Lake Dam Belmont County | 21 | 1940 | High | Poor |
| Bellevue Upground Reservoir No. 4 Huron County | 18 | 1919 | High | Poor |
| Bellevue Upground Reservoir No. 3 Huron County | 18 | 1900 | High | Poor |
| Bellevue Upground Reservoir No. 1 Huron County | 14 | 1874 | High | Poor |
| Beaver Creek Upground Reservoir Seneca County | 34 | 1971 | High | Fair |
| Bear Creek Lake Dam Scioto County | 26 | 1935 | High | Fair |
| Beach City Dam Tuscarawas County | 68 | 1936 | High | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.