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 351–375 of 397
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Tarhe Dry Dam Fairfield County | 30 | 1995 | High | Fair |
| Taylorsville Dam Montgomery County | 78 | 1922 | High | Fair |
| The Baltic Sportsman Lake Dam Tuscarawas County | 19 | 1957 | High | Poor |
| The Ohio Valley Coal Slurry Disposal Dam Belmont County | 275 | 1981 | High | Not Rated |
| Thoreau Pond Dam Franklin County | 25 | 1964 | High | Satisfactory |
| Timbre Ridge Dam Lawrence County | 69 | 1974 | High | Not Rated |
| Tom Jenkins Dam Athens County | 84 | 1950 | High | Not Available |
| Tucaway Lake Dam Portage County | 25 | 1973 | High | Fair |
| Turkey Creek Lake Dam Scioto County | 54 | 1966 | High | Poor |
| Tuscarawas River Diversion Dam Summit County | 26 | 1956 | High | Satisfactory |
| Tycoon Lake Dam Gallia County | 29 | 1961 | High | Poor |
| Upper Girard Lake Dam Trumbull County | 55 | 1929 | High | Poor |
| Upper Shaker Lake Dam Cuyahoga County | 30 | 1852 | High | Unsatisfactory |
| Upper Wabash Structure No. 3 Dam Mercer County | 28 | 1963 | High | Satisfactory |
| Van Wert Upground Reservoir No. 1 Van Wert County | 22 | 1949 | High | Fair |
| Van Wert Upground Reservoir No. 3 Van Wert County | 26 | 2007 | High | Satisfactory |
| Varkony Pond Dam Harrison County | 49 | — | High | Poor |
| Vesuvius Dam Lawrence County | 51 | — | High | Not Rated |
| Veterans Memorial Reservoir Hancock County | 32 | 1992 | High | Fair |
| Veto Lake Dam Washington County | 38 | 1954 | High | Fair |
| Virginia Kendall Dam (Tract # 119-53) Summit County | 25 | 1937 | High | Not Available |
| Votel Lake Dam Warren County | 36 | 1954 | High | Fair |
| Waller Lake Dam Lawrence County | 24 | 1955 | High | Poor |
| Washington Court House Ug No. 1 Dam Fayette County | 21 | 1956 | High | Fair |
| Wauseon Upground Reservoir No. 2 Fulton County | 26 | 1934 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.