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 1226–1250 of 1,377
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Burgess Lake Dam Mahoning County | 27 | 1915 | Significant | Poor |
| Bunker Hill Haven Lake Dam Butler County | 34 | 1947 | Undetermined | Not Rated |
| Buffalo Hills Lake Dam Noble County | 15 | 1973 | Significant | Poor |
| Bucyrus Upground Reservoir No. 4 Crawford County | 29 | 1983 | High | Fair |
| Bucyrus Reservoir No. 3 Dam Crawford County | 32 | 1955 | High | Fair |
| Bucyrus Reservoir No. 1 Dam Crawford County | 18 | 1900 | High | Poor |
| Buckeye Water District Reservoir Ii Columbiana County | 28 | 2020 | High | Satisfactory |
| Buckeye Water District Reservoir Columbiana County | 56 | 2008 | High | Satisfactory |
| Buckeye Lake Dam Licking County | 15 | 1832 | High | Satisfactory |
| Brye Lake Dam Medina County | 12 | 1988 | High | Poor |
| Brushy Fork No. 7 Dam Harrison County | 47 | 1950 | Significant | Poor |
| Brown Lake Dam Geauga County | 23 | 1968 | Significant | Satisfactory |
| Brown & Haskins Lake Dam Ross County | 27 | 1967 | High | Satisfactory |
| Brookside Country Club Lake Dam Franklin County | 28 | — | Low | Satisfactory |
| Broken Aro Slurry Pond No. 1 Dam Coshocton County | 49 | 1962 | Significant | Poor |
| Bristol Lake Dam Clermont County | 13 | 1954 | Significant | Fair |
| Brimfield Lake Dam Portage County | 16 | 1959 | High | Poor |
| 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 |
| Bredenbeck Lake Dam Ashland County | 18 | 1969 | Significant | Poor |
| Branjarzak Lake Dam Clermont County | 25 | — | Significant | Poor |
| Boy Scout Dam Carroll County | 53 | 1984 | Significant | Satisfactory |
| Bowman Lake Dam Wyandot County | 23 | — | Undetermined | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.