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 226–250 of 564
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Indian Lakes Rec. Area Upper Lake Dam Guernsey County | 19 | 1962 | Significant | Poor |
| International Animal Preserve Pond Dam Muskingum County | 51 | — | Significant | Poor |
| International Animal Preserve Pond Dam #2 Muskingum County | 50 | 1959 | Significant | Poor |
| International Animal Preserve Pond Dam #35 Muskingum County | 38 | 1975 | Significant | Poor |
| International Animal Preserve Pond Dam #65 Muskingum County | 43 | — | Significant | Poor |
| International Animal Preserve Pond Dam #8 Muskingum County | 41 | 1962 | Significant | Poor |
| Iroquois Lake Dam Cuyahoga County | 9 | 1960 | Significant | Fair |
| Jackson Lake Dam Jackson County | 28 | — | Significant | Poor |
| Jacobs Lake Dam Ashland County | 26 | 1962 | Significant | Poor |
| Jeffco Pond Dam No. 21 Harrison County | 41 | — | Significant | Poor |
| Jewett Wwt Lagoon Harrison County | 12 | 1999 | Significant | Satisfactory |
| Jm Stuart Station Ash Pond No. 5 Adams County | 41 | — | Significant | Poor |
| Jm Stuart Station Ash Pond No. 6 Adams County | 31 | — | Significant | Poor |
| Jm Stuart Station Ash Pond No. 7 Adams County | 39 | — | Significant | Poor |
| Kenridge Lake Dam Hamilton County | 20 | — | Significant | Satisfactory |
| Killdeer Wildlife Pond 27 Southwest Cell Wyandot County | 9 | — | Significant | Poor |
| Kirila Pond Dam Trumbull County | 46 | 1950 | Significant | Poor |
| Kittredge Arboretum Lake Dam Geauga County | 26 | 1965 | Significant | Poor |
| Knoles Pond Dam Ross County | 28 | 1965 | Significant | Fair |
| Kunkle Wwt Lagoons Williams County | 17 | 2021 | Significant | Satisfactory |
| Kyger Creek Bottom Ash Pond Gallia County | 41 | 1955 | Significant | Fair |
| Kyger Creek South Fly Ash Pond Gallia County | 40 | 1955 | Significant | Satisfactory |
| Kyger Creek Tailings Pond Gallia County | 32 | 1955 | Significant | Fair |
| Lababidi Lake Dam Summit County | 14 | — | Significant | Unsatisfactory |
| Lake Arrowhead Dam Hocking County | 29 | — | Significant | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.