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 376–400 of 421
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Sycamore Lake Dam Licking County | 21 | 1961 | Low | Fair |
| Tanglewood Lake Dam Geauga County | 37 | 1971 | High | Fair |
| Tarhe Dry Dam Fairfield County | 30 | 1995 | High | Fair |
| Taylor Lake Dam Logan County | 23 | 1972 | Significant | Fair |
| Taylorsville Dam Montgomery County | 78 | 1922 | High | Fair |
| Tennessee Gas Station 204 Lake Dam Vinton County | 30 | 1950 | Low | Fair |
| The Shire Lake Dam Jackson County | 27 | 1963 | Significant | Fair |
| Thor Lake Dam Preble County | 39 | 1970 | Low | Fair |
| Trumbull Creek Wetland Berm No. 7 Geauga County | 12 | 2002 | Significant | Fair |
| Tucaway Lake Dam Portage County | 25 | 1973 | High | Fair |
| Uke Ranch Lake Dam Ashland County | 29 | 1968 | Significant | Fair |
| Upper Wabash Structure No. 2 Mercer County | 17 | 1963 | Low | Fair |
| Valley Vista Golf Course Lake Dam Ross County | 27 | 1966 | Low | Fair |
| Van Wert Upground Reservoir No. 1 Van Wert County | 22 | 1949 | High | Fair |
| Veterans Memorial Reservoir Hancock County | 32 | 1992 | High | Fair |
| Veto Lake Dam Washington County | 38 | 1954 | High | Fair |
| Votel Lake Dam Warren County | 36 | 1954 | High | Fair |
| Wadsworth Sludge Lagoon Medina County | 25 | 1990 | Significant | Fair |
| Walden Lake Dam Portage County | 26 | 1975 | Significant | Fair |
| Washington Court House Ug No. 1 Dam Fayette County | 21 | 1956 | High | Fair |
| Washington Court House Ug No. 2 Dam Fayette County | 19 | 2001 | Significant | Fair |
| Wasmer Lake Dam Hamilton County | 27 | 1960 | Low | Fair |
| Water'S Edge Dam Warren County | 23 | 1994 | Low | Fair |
| Wauseon Upground Reservoir No. 2 Fulton County | 26 | 1934 | High | Fair |
| Wellington Upground Reservoir Lorain County | 35 | 1972 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.