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 551–564 of 564
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Winton Woods Sediment Retention Pond Hamilton County | 55 | 1995 | Significant | Fair |
| Wong Lake Dam Guernsey County | 28 | — | Significant | Fair |
| Woodland Altars Lake Dam Adams County | 25 | 1964 | Significant | Poor |
| Woodland Lake Dam Columbiana County | 19 | 1948 | Significant | Poor |
| Woodland Lake Leisure Resort Dam Highland County | 26 | 1971 | Significant | Fair |
| Woodmoor Dam #1 Stark County | 17 | 1978 | Significant | Poor |
| Woodmoor Dam #2 Stark County | 16 | 1978 | Significant | Poor |
| Workman Lake Dam Knox County | 30 | — | Significant | Poor |
| Yellow Creek Upground Reservoir Putnam County | 30 | 2006 | Significant | Satisfactory |
| Youngstown Country Club Lake Dam Trumbull County | 15 | — | Significant | Poor |
| Yount Pond Dam Trumbull County | 25 | 1965 | Significant | Poor |
| Zepernick Lake Dam Columbiana County | 14 | 1950 | Significant | Satisfactory |
| Zf Batavia Retention Basin Dam Clermont County | 22 | 1980 | Significant | Poor |
| Zimmer Waste Water Pond Complex Dam Clermont County | 21 | 1989 | Significant | Fair |
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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.