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 476–500 of 564
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Church Lake Dam Vinton County | 22 | 1966 | Significant | Poor |
| Christian Union Church Lake Dam Ross County | 23 | 1968 | Significant | Poor |
| Christian Center Lake Dam Licking County | 27 | 1974 | Significant | Poor |
| Christal Lake Dam Pickaway County | 22 | 1964 | Significant | Poor |
| Chopper'S Lake Dam Washington County | 17 | 1948 | Significant | Poor |
| Chippewa Creek Structure Viii-D Medina County | 51 | 1976 | Significant | Satisfactory |
| Chippewa Creek Structure V-D Wayne County | 32 | 1971 | Significant | Satisfactory |
| Chippewa Creek Structure V-C Wayne County | 28 | 1971 | Significant | Satisfactory |
| Chippewa Creek Structure Iv-A Medina County | 41 | 1973 | Significant | Satisfactory |
| Chippewa Creek Structure Ii-A Medina County | 35 | 1969 | Significant | Fair |
| Channel Lake Dam Perry County | 42 | — | Significant | Poor |
| Champagne Shores Pond Dam Medina County | 18 | 1971 | Significant | Satisfactory |
| Cedarville University Lake Dam Greene County | 16 | 1964 | Significant | Fair |
| Cedar Hill Campground Lake Dam Highland County | 30 | 1970 | Significant | Fair |
| Carriage Hill Reserve Lake Dam Montgomery County | 24 | 1982 | Significant | Satisfactory |
| Carol-Jane Lake Dam Medina County | 26 | 1940 | Significant | Satisfactory |
| Carman Lake Dam Washington County | 19 | — | Significant | Satisfactory |
| Cardinal Plant Ash Pond Dam Jefferson County | 20 | 1974 | Significant | Fair |
| Candlewood Lake Dam Wood County | 23 | 1962 | Significant | Poor |
| Camp Julia Crowell Lake Dam Summit County | 25 | 1920 | Significant | Satisfactory |
| Camp Hilaka Lake Dam Summit County | 30 | 1926 | Significant | Satisfactory |
| Campden Lakes South Dam Franklin County | 11 | 1998 | Significant | Satisfactory |
| Campden Lakes North Dam Delaware County | 10 | 1998 | Significant | Satisfactory |
| Camp Conger Lake Dam Huron County | 19 | 1963 | Significant | Fair |
| Cambridge City Reservoir Dam Guernsey County | 47 | 1916 | Significant | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.