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 1176–1200 of 1,377
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Stokes Lake Dam Clinton County | 17 | 1974 | Low | Fair |
| Stoll Lake Dam Wayne County | 26 | 1956 | Low | Poor |
| Stonegate Pond Dam Butler County | 21 | 1985 | High | Fair |
| Stonelick Lake Dam Clermont County | 35 | 1949 | High | Fair |
| Stoneybrook Farm Lake Dam Warren County | 45 | 1968 | Significant | Fair |
| Stony Lake Dam Carroll County | 18 | 1928 | Significant | Poor |
| Stout Lake Dam Stark County | 16 | 1940 | Low | Poor |
| Strader Lake Dam Clermont County | 51 | 1954 | Significant | Poor |
| Strahler'S Lake Dam Washington County | 29 | 1966 | Low | Fair |
| Strait'S Lake Dam Morrow County | 24 | 1965 | Significant | Fair |
| Strimple Creek Dam Hamilton County | 30 | 1995 | Low | Satisfactory |
| Stroman Lake Dam Champaign County | 38 | 1958 | Significant | Satisfactory |
| Sugar Hill Gun Club Lake Dam Clermont County | 14 | 1960 | Low | Fair |
| Sugar Lake Dam Lake County | 21 | 1968 | Undetermined | Not Rated |
| Summitcrest Farm Pond Dam Columbiana County | 39 | 1960 | Significant | Poor |
| Summitville Lake Dam Columbiana County | 26 | 1940 | Significant | Poor |
| Sunbury Upground Reservoir No. 1 Delaware County | 17 | 1955 | High | Fair |
| Sunbury Upground Reservoir No. 2 Delaware County | 20 | 1964 | High | Fair |
| Sunnyhill Freshwater Reservoir Dam Perry County | 45 | 1959 | Significant | Poor |
| Sunny Lake Dam Portage County | 10 | — | Low | Fair |
| Sunrise Lake Dam Warren County | 54 | 1931 | High | Satisfactory |
| Sunset Lake Dam Medina County | 17 | — | Significant | Satisfactory |
| Sunset Lake Dam Coshocton County | 27 | 1947 | High | Satisfactory |
| Sunshine Lakes Dam Columbiana County | 38 | — | Significant | Poor |
| Sun Valley Lake Dam Ross County | 20 | 1955 | Low | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.