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 326–339 of 339
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Bear Town Lake Dam Geauga County | 21 | 1960 | Low | Satisfactory |
| Battles Pond Dam Hardin County | 17 | 1952 | Low | Poor |
| Bash Lake Dam Ashland County | 22 | 1962 | Low | Poor |
| Baker Lake Dam Medina County | 19 | 1965 | Low | Fair |
| Bainbridge Quarry Lake Dam Geauga County | 13 | 1989 | Low | Fair |
| Badger Pond Dam Washington County | 28 | — | Low | Fair |
| Avis Dam Athens County | 27 | 1997 | Low | Not Rated |
| Auglaize Hydro Defiance County | 25 | 1913 | Low | Satisfactory |
| Arnold Lake Dam Tuscarawas County | 35 | — | Low | Fair |
| Armington Dam No. 1 Summit County | 26 | 1979 | Low | Not Available |
| Appleseed Ridge Lake#2 Dam Logan County | 30 | 1968 | Low | Not Available |
| Allen No. 2 Dam (Racetrack Dam) Perry County | 35 | 1983 | Low | Fair |
| Allegheny West Conference Cg Lake Dam Fairfield County | 33 | 1950 | Low | Satisfactory |
| Akita Lake Dam Hocking County | 29 | — | Low | Satisfactory |
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.