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 26–50 of 324
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Buckeye Lake Dam Licking County | 15 | 1832 | High | Satisfactory |
| Buckeye Water District Reservoir Columbiana County | 56 | 2008 | High | Satisfactory |
| Buckeye Water District Reservoir Ii Columbiana County | 28 | 2020 | High | Satisfactory |
| Caldwell Lake Dam Ross County | 36 | 1937 | High | Satisfactory |
| Caley Woods Wildlife Lake Dam Lorain County | 19 | 1987 | Undetermined | Satisfactory |
| Campden Lakes North Dam Delaware County | 10 | 1998 | Significant | Satisfactory |
| Campden Lakes South Dam Franklin County | 11 | 1998 | Significant | Satisfactory |
| Camp Francis Asbury Lake Dam Gallia County | 32 | 1962 | Low | Satisfactory |
| Camp Hilaka Lake Dam Summit County | 30 | 1926 | Significant | Satisfactory |
| Camp Julia Crowell Lake Dam Summit County | 25 | 1920 | Significant | Satisfactory |
| Camp Lejnar Lake Dam Lake County | 13 | 1967 | Low | Satisfactory |
| Cardinal Fly Ash No. 1 Dam Jefferson County | 242 | 1974 | High | Satisfactory |
| Cardinal Fly Ash No. 2 Dam Jefferson County | 250 | 2014 | High | Satisfactory |
| 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 |
| Celeryville Upground Reservoir Crawford County | 22 | 1965 | High | Satisfactory |
| Champagne Shores Pond Dam Medina County | 18 | 1971 | Significant | Satisfactory |
| Charbonneau Lake Dam Summit County | 20 | 2002 | High | Satisfactory |
| Chippewa Creek Structure Iii-A Medina County | 55 | 1980 | High | Satisfactory |
| Chippewa Creek Structure Iv-A Medina County | 41 | 1973 | Significant | Satisfactory |
| Chippewa Creek Structure V-C Wayne County | 28 | 1971 | Significant | Satisfactory |
| Chippewa Creek Structure V-D Wayne County | 32 | 1971 | Significant | Satisfactory |
| Chippewa Creek Structure Viii-C Medina County | 25 | 1976 | High | Satisfactory |
| Chippewa Creek Structure Viii-D Medina County | 51 | 1976 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.