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 421
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Cambridge City Reservoir Dam Guernsey County | 47 | 1916 | Significant | Fair |
| Camp Conger Lake Dam Huron County | 19 | 1963 | Significant | Fair |
| Camp Jungen Lake Dam Tuscarawas County | 27 | 1974 | Low | Fair |
| Camp Lakota Boy Scout Lake Dam Defiance County | 15 | 1969 | Low | Fair |
| Camp Otterbein Lake Dam Hocking County | 35 | 1965 | Low | Fair |
| Camp Whitewood Lake Dam Ashtabula County | 20 | 1967 | High | Fair |
| Candlewood Lake Dam Morrow County | 58 | 1974 | High | Fair |
| Cardinal Lakes Dam Geauga County | 24 | 1976 | Low | Fair |
| Cardinal Plant Ash Pond Dam Jefferson County | 20 | 1974 | Significant | Fair |
| Cave Hill Lake Dam Adams County | 28 | 1969 | Low | Fair |
| Cave Lake Dam Pike County | 29 | 1962 | High | Fair |
| Cedar Hill Campground Lake Dam Highland County | 30 | 1970 | Significant | Fair |
| Cedarville University Lake Dam Greene County | 16 | 1964 | Significant | Fair |
| Charolais Lake Dam Gallia County | 31 | 1975 | Low | Fair |
| Charylie'S Lake Dam Butler County | 29 | 1963 | High | Fair |
| Chateau Lakes No. 1 Dam Hamilton County | 68 | 1975 | High | Fair |
| Chippewa Creek Structure Ii-A Medina County | 35 | 1969 | Significant | Fair |
| Chippewa Creek Structure Vii-C Wayne County | 27 | 1974 | High | Fair |
| Cincinnati Semiconductor Lake Dam Warren County | 22 | — | Significant | Fair |
| Cinnamon Lake Dam Ashland County | 45 | 1970 | High | Fair |
| Clermont Golf Limited Lake Dam Clermont County | 37 | 1997 | High | Fair |
| Cline Lake Dam Noble County | 47 | 2003 | High | Fair |
| Cline Lake Dam Knox County | 19 | 1958 | Significant | Fair |
| Clouse Lake Dam Perry County | 29 | 1946 | Significant | Fair |
| Cloverdale Lake Dam Lake County | 13 | — | Significant | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.