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 976–1000 of 1,377
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Piqua Low Head Dam Miami County | 9 | 1937 | Undetermined | Not Rated |
| Pischieri Pond Dam Medina County | 37 | 1957 | Significant | Poor |
| Pixelle Upground Reservoir Ross County | 14 | — | Significant | Poor |
| Pleasant Acres Dam Fairfield County | 23 | 1981 | Undetermined | Not Rated |
| Pleasant Hill Dam Ashland County | 113 | 1937 | High | Not Available |
| Pleasant Valley Lake Dam Trumbull County | 20 | 1925 | High | Poor |
| Pleasant Valley Ranch Lake Dam Richland County | 26 | 1965 | Significant | Fair |
| Plymouth Wastewater Lagoon Huron County | 10 | 1966 | Significant | Satisfactory |
| Pomeroy Pond No. 1 Dam Delaware County | 29 | 1965 | Undetermined | Not Rated |
| Pomeroy Pond No. 2 Dam Delaware County | 32 | 1965 | Undetermined | Not Rated |
| Pond Lick Lake Dam Scioto County | 21 | 1938 | High | Satisfactory |
| Porter Lake Dam Meigs County | 30 | 1968 | Significant | Fair |
| Possum Creek Reserve Lake Dam Montgomery County | 20 | 1979 | Low | Satisfactory |
| Possum Hollow Farm Dam Brown County | 33 | 1973 | Low | Fair |
| Poth Lake Dam Stark County | 22 | 1960 | Significant | Fair |
| Powel Crosley Lake Dam Clermont County | 45 | 1967 | Significant | Satisfactory |
| Powers Upground Reservoir Crawford County | 28 | 1954 | High | Poor |
| Pride Valley Lake Dam Carroll County | 26 | 1957 | Low | Satisfactory |
| Private Lake Dam Ashtabula County | 19 | 1964 | Low | Poor |
| Proctor & Gamble Pond No.1 Dam Warren County | 17 | 1994 | Significant | Fair |
| Providence Dam Wood County | 9 | 1907 | High | Fair |
| Pschesang Lake Dam Brown County | 18 | 1974 | Significant | Fair |
| Puskarich Lake Dam Carroll County | 42 | 1971 | High | Fair |
| Pythias Lake Dam Butler County | 30 | 1969 | Low | Fair |
| Quail Hollow Lake Dam Lake County | 36 | 1975 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.