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 339
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| O'Neill Lake Dam Cuyahoga County | 28 | — | Low | Poor |
| Orrville Farmer'S & Sportsmen'S League Dam Wayne County | 16 | — | Low | Poor |
| Oxbow Lake Dam Defiance County | 18 | 1953 | Low | Poor |
| Paint Creek Dam - Little Pond Dam Highland County | 30 | 1973 | Low | Not Available |
| Pancake Lake Dam Summit County | 20 | 1965 | Low | Fair |
| Paradise Lakes Campground Lake Dam Trumbull County | 22 | 1958 | Low | Poor |
| Parker Lakes Lower Dam Clark County | 19 | 2004 | Low | Poor |
| Parker Pond Dam Belmont County | 32 | 2014 | Low | Satisfactory |
| Paulmeadows Lake Dam Hamilton County | 32 | 1965 | Low | Fair |
| Paw Paw Lake Dam Geauga County | 15 | 1920 | Low | Poor |
| Perry Reclamation Dam No. 2 Perry County | 27 | — | Low | Poor |
| Peterson Lake Dam Stark County | 17 | 1954 | Low | Poor |
| Pintail Pond Dam Trumbull County | 8 | 1968 | Low | Fair |
| Possum Creek Reserve Lake Dam Montgomery County | 20 | 1979 | Low | Satisfactory |
| Possum Hollow Farm Dam Brown County | 33 | 1973 | Low | Fair |
| Pride Valley Lake Dam Carroll County | 26 | 1957 | Low | Satisfactory |
| Private Lake Dam Ashtabula County | 19 | 1964 | Low | Poor |
| Pythias Lake Dam Butler County | 30 | 1969 | Low | Fair |
| Quail Hollow Lake Dam Lake County | 36 | 1975 | Low | Fair |
| Realty Investment Property Dam Huron County | 16 | 1968 | Low | Satisfactory |
| Red Hill Farm Dam No. 2 Guernsey County | 27 | 1994 | Low | Satisfactory |
| Red Hill Farm Dam No. 4 Guernsey County | 40 | 1994 | Low | Satisfactory |
| R-Farm Lake Dam Medina County | 30 | 1939 | Low | Poor |
| Rice Pond Dam Medina County | 31 | — | Low | Fair |
| Ritz Lake Dam Guernsey County | 30 | 1973 | Low | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.