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 51–75 of 564
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Boka Woods Lake No. 1 Dam Fairfield County | 26 | 1965 | Significant | Poor |
| Bowers Lake Estate Dam Jefferson County | 15 | 1960 | Significant | Poor |
| Boy Scout Dam Carroll County | 53 | 1984 | Significant | Satisfactory |
| Branjarzak Lake Dam Clermont County | 25 | — | Significant | Poor |
| Bredenbeck Lake Dam Ashland County | 18 | 1969 | Significant | Poor |
| Bristol Lake Dam Clermont County | 13 | 1954 | Significant | Fair |
| Broken Aro Slurry Pond No. 1 Dam Coshocton County | 49 | 1962 | Significant | Poor |
| Brown Lake Dam Geauga County | 23 | 1968 | Significant | Satisfactory |
| Brushy Fork No. 7 Dam Harrison County | 47 | 1950 | Significant | Poor |
| Buffalo Hills Lake Dam Noble County | 15 | 1973 | Significant | Poor |
| Burgess Lake Dam Mahoning County | 27 | 1915 | Significant | Poor |
| Burnap Lake Dam Warren County | 38 | 1969 | Significant | Fair |
| Burtonville Lake Dam Clinton County | 25 | 1972 | Significant | Fair |
| Cadiz Country Club Pond Dam Harrison County | 45 | 1968 | Significant | Fair |
| Cambridge City Reservoir Dam Guernsey County | 47 | 1916 | Significant | Fair |
| Camp Conger Lake Dam Huron County | 19 | 1963 | Significant | Fair |
| Campden Lakes North Dam Delaware County | 10 | 1998 | Significant | Satisfactory |
| Campden Lakes South Dam Franklin County | 11 | 1998 | Significant | Satisfactory |
| Camp Hilaka Lake Dam Summit County | 30 | 1926 | Significant | Satisfactory |
| Camp Julia Crowell Lake Dam Summit County | 25 | 1920 | Significant | Satisfactory |
| Candlewood Lake Dam Wood County | 23 | 1962 | Significant | Poor |
| Cardinal Plant Ash Pond Dam Jefferson County | 20 | 1974 | Significant | Fair |
| Carman Lake Dam Washington County | 19 | — | Significant | Satisfactory |
| Carol-Jane Lake Dam Medina County | 26 | 1940 | Significant | Satisfactory |
| Carriage Hill Reserve Lake Dam Montgomery County | 24 | 1982 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.