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 1276–1300 of 1,377
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Bidwell/Porter Wwt Lagoon Gallia County | 18 | 1999 | Significant | Satisfactory |
| Bibbee'S Little Rock Lake Dam Columbiana County | 27 | 1960 | High | Poor |
| Bethesda Sportsmans Club Pond Dam Belmont County | 22 | 1958 | Low | Poor |
| Bethesda Reservoir Dam Belmont County | 30 | 1959 | High | Satisfactory |
| Bethel Upground Reservoir No. 2 Clermont County | 23 | 1991 | Significant | Poor |
| Bethel Upground Reservoir No. 1 Clermont County | 25 | 1960 | Low | Poor |
| Bethany Lake Dam Holmes County | 29 | 1962 | High | Satisfactory |
| Berlin Dam Mahoning County | 96 | 1943 | High | Not Available |
| Berkshire Lake Dam Delaware County | 28 | 1967 | Low | Fair |
| Bel-Wood Country Club Lake No. 2 Dam Warren County | 47 | 1965 | Significant | Fair |
| Belmont Lake Dam Belmont County | 67 | 1961 | High | Poor |
| Belmont Hills Country Club Lake Dam Belmont County | 21 | 1940 | High | Poor |
| Bellwood Lake Dam Geauga County | 27 | 1960 | Significant | Poor |
| Bell Lake Dam Summit County | 27 | 1965 | Low | Poor |
| Bell Lake Dam Logan County | 13 | 1967 | Low | Poor |
| Bellevue Upground Reservoir No. 5 Huron County | 28 | 1946 | Significant | Fair |
| 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 |
| Bella Luna Lake Dam No. 1 Geauga County | 22 | — | Significant | Poor |
| Beck Pond Dam Stark County | 25 | 2000 | Significant | Satisfactory |
| Beckjord Ash Pond C Ext. Dam Clermont County | 40 | 1985 | Significant | Fair |
| Beckjord Ash Pond C Dam Clermont County | 50 | — | Significant | Satisfactory |
| Beckjord Ash Pond B Clermont County | 46 | — | Significant | Satisfactory |
| Beaver Lake Dam Columbiana County | 18 | 1917 | Significant | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.