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 26–50 of 339
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Upper Wabash Structure No. 2 Mercer County | 17 | 1963 | Low | Fair |
| Ukrainian American Youth Lake Dam Lorain County | 29 | 1965 | Low | Poor |
| Twelve Pack Lake Dam Tuscarawas County | 28 | 1985 | Low | Poor |
| Turner-Jordan Lake Dam Stark County | 8 | 1980 | Low | Satisfactory |
| Tubaugh Lake Dam Monroe County | 27 | 1965 | Low | Poor |
| Traska Fwi Dam Noble County | 27 | — | Low | Satisfactory |
| Trail Lake Dam Portage County | 12 | — | Low | Poor |
| Torok Pond Dam Medina County | 35 | 1958 | Low | Poor |
| Thor Lake Dam Preble County | 39 | 1970 | Low | Fair |
| The Wilderness Lower Lake Dam Stark County | 22 | 1966 | Low | Satisfactory |
| The Van Dyke Club Lake Dam Clark County | 16 | 1948 | Low | Poor |
| The Farm Lake Dam Tuscarawas County | 35 | 1951 | Low | Poor |
| Tennessee Gas Station 214 Lake Dam Carroll County | 22 | 1950 | Low | Poor |
| Tennessee Gas Station 204 Lake Dam Vinton County | 30 | 1950 | Low | Fair |
| Taylor Lake Dam Lorain County | 20 | 1968 | Low | Satisfactory |
| Tall Timber Lake Dam Tuscarawas County | 26 | 1960 | Low | Poor |
| Sycamore Lake Dam Licking County | 21 | 1961 | Low | Fair |
| Sycamore Creek Lake Dam Warren County | 33 | — | Low | Poor |
| Swiger Pond Dam Ashland County | 27 | 1965 | Low | Poor |
| Sun Valley Lake Dam Ross County | 20 | 1955 | Low | Poor |
| Sunny Lake Dam Portage County | 10 | — | Low | Fair |
| Sugar Hill Gun Club Lake Dam Clermont County | 14 | 1960 | Low | Fair |
| Strimple Creek Dam Hamilton County | 30 | 1995 | Low | Satisfactory |
| Strahler'S Lake Dam Washington County | 29 | 1966 | Low | Fair |
| Stout Lake Dam Stark County | 16 | 1940 | Low | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.