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 301–325 of 397
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Ross Trails Lake Dam Butler County | 48 | 1960 | High | Satisfactory |
| Rush Creek Structure No. 1-B Perry County | 45 | 1975 | High | Fair |
| Rushcreek Structure No. Ii Perry County | 31 | 1985 | High | Fair |
| Rushcreek Structure No. Iii-A Perry County | 34 | 1969 | High | Fair |
| Rushcreek Structure No. Iii-C Perry County | 36 | 1977 | High | Satisfactory |
| Rushcreek Structure No. Iv-C Perry County | 29 | 1976 | High | Fair |
| Rushcreek Structure No. V-C Fairfield County | 36 | 1969 | High | Fair |
| Rushcreek Structure No. Vi-A Fairfield County | 58 | 1982 | High | Fair |
| Rushcreek Structure No. Vi-D Fairfield County | 52 | 1975 | High | Satisfactory |
| Rushcreek Structure No. Vii-A Fairfield County | 41 | 1985 | High | Satisfactory |
| Rushcreek Structure No. Vii-E Fairfield County | 28 | 1967 | High | Fair |
| Rush Run Lake Dam Preble County | 53 | 1970 | High | Fair |
| Rustic Hills Lake Dam Medina County | 30 | 1961 | High | Satisfactory |
| Salem Reservoir (South Embankment) Columbiana County | 48 | 1952 | High | Poor |
| Sally Buffalo Park Lake Dam Harrison County | 37 | 1953 | High | Poor |
| Sally Buffalo Park Lake No. 2 Dam Harrison County | 13 | 1953 | High | Poor |
| Sally Buffalo Park Lake No. 4 Dam Harrison County | 18 | 1953 | High | Poor |
| Salt Fork Lake Dam Guernsey County | 61 | 1968 | High | Fair |
| Sands Hill Slurry Impoundment Dam Vinton County | 131 | 1992 | High | Not Rated |
| San Toy Dam Perry County | 21 | 1916 | High | Poor |
| Schloss Pond Dam Geauga County | 36 | 1952 | High | Poor |
| Senecaville Dam Guernsey County | 45 | 1937 | High | Not Available |
| Seven Springs Lake Dam Medina County | 40 | 1961 | High | Poor |
| Shadow Hill Lake Dam Geauga County | 21 | 1973 | High | Satisfactory |
| Shaker Run Dam Warren County | 90 | 1973 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.