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 397
| 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 |
| Bucyrus Reservoir No. 1 Dam Crawford County | 18 | 1900 | High | Poor |
| Bucyrus Reservoir No. 3 Dam Crawford County | 32 | 1955 | High | Fair |
| Bucyrus Upground Reservoir No. 4 Crawford County | 29 | 1983 | High | Fair |
| Caesar Creek Dam Warren County | 180 | 1976 | High | Not Available |
| Caldwell Lake Dam Noble County | 75 | 1969 | High | Fair |
| Caldwell Lake Dam Ross County | 36 | 1937 | High | Satisfactory |
| Camp Spelman Lake Dam Portage County | 23 | — | High | Poor |
| Camp Whitewood Lake Dam Ashtabula County | 20 | 1967 | High | Fair |
| Candlewood Lake Dam Morrow County | 58 | 1974 | High | Fair |
| Cardinal Fly Ash No. 1 Dam Jefferson County | 242 | 1974 | High | Satisfactory |
| Cardinal Fly Ash No. 2 Dam Jefferson County | 250 | 2014 | High | Satisfactory |
| Cave Lake Dam Pike County | 29 | 1962 | High | Fair |
| Cedarville Upground Reservoir Greene County | 15 | 1963 | High | Poor |
| Celeryville Upground Reservoir Crawford County | 22 | 1965 | High | Satisfactory |
| Charbonneau Lake Dam Summit County | 20 | 2002 | High | Satisfactory |
| Charles Mill Dam - Dike 2 Ashland County | 22 | 1936 | High | Not Available |
| Charylie'S Lake Dam Butler County | 29 | 1963 | High | Fair |
| Chateau Lakes No. 1 Dam Hamilton County | 68 | 1975 | High | Fair |
| Chippewa Creek Structure Iii-A Medina County | 55 | 1980 | High | Satisfactory |
| Chippewa Creek Structure Vii-C Wayne County | 27 | 1974 | High | Fair |
| Chippewa Creek Structure Viii-C Medina County | 25 | 1976 | High | Satisfactory |
| Cinnamon Lake Dam Ashland County | 45 | 1970 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.