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 1001–1025 of 1,377
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Forest Hill Park Dam No. 2 Cuyahoga County | 37 | 1963 | High | Poor |
| Forest Hill Lake Camping Dam Coshocton County | 31 | 1947 | Significant | Poor |
| Forbidden Lake Dam Union County | 13 | 1998 | Low | Satisfactory |
| Flying Finn Lake Dam Columbiana County | 29 | 1966 | Significant | Poor |
| Fish Lake Dam Adams County | 27 | 1971 | Low | Fair |
| Fisher Lake Dam Greene County | 22 | 1960 | Significant | Poor |
| Fish Bones Lake Dam Monroe County | 51 | 2003 | Significant | Satisfactory |
| Fischer Lower Lake Dam Ashtabula County | 14 | — | Low | Poor |
| Fischer Lake Dam Ashtabula County | 14 | — | Significant | Poor |
| Firelands Lake No. 1 Dam Lorain County | 14 | 1966 | Low | Fair |
| Findley Lake Dam Lorain County | 33 | 1956 | High | Poor |
| Findlay Upground Reservoir No. 2 Hancock County | 32 | 1971 | High | Fair |
| Findlay Upground Reservoir No. 1 Hancock County | 28 | 1950 | High | Fair |
| Fieldstone Lake Dam Stark County | 35 | 2001 | Significant | Satisfactory |
| Fichtelberg Lake Dam Brown County | 19 | 1968 | Undetermined | Not Rated |
| Ferguson Upground Reservoir Allen County | 49 | 1959 | High | Fair |
| Fenwick Home Company Lake Dam Warren County | 21 | 1969 | Significant | Poor |
| Fayetteville High School Lake Dam Brown County | 15 | — | High | Poor |
| Fayette Sewage Lagoons Fulton County | 15 | 1963 | Significant | Fair |
| Fawn Lake Dam Shelby County | 20 | 1985 | Low | Satisfactory |
| Fallsville Wildlife Area Dam Highland County | 28 | 1963 | Low | Fair |
| Faith Ranch Lake Dam Harrison County | 28 | 1950 | Significant | Poor |
| Fairgreens Golf Club Dam Jackson County | 20 | 1973 | Significant | Satisfactory |
| Fairfield Detention "C" Dam Butler County | 31 | 1998 | High | Satisfactory |
| Fairfield Detention "A" Dam Butler County | 24 | 1997 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.