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 324
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Possum Creek Reserve Lake Dam Montgomery County | 20 | 1979 | Low | Satisfactory |
| Powel Crosley Lake Dam Clermont County | 45 | 1967 | Significant | Satisfactory |
| Pride Valley Lake Dam Carroll County | 26 | 1957 | Low | Satisfactory |
| Ravens Wood Lake Dam Medina County | 30 | 1973 | High | Satisfactory |
| Rawson Wwt Lagoon Hancock County | 15 | 2003 | Significant | Satisfactory |
| 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. 3 Guernsey County | 44 | 1994 | Significant | Satisfactory |
| Red Hill Farm Dam No. 4 Guernsey County | 40 | 1994 | Low | Satisfactory |
| Refinery Upground West Reservoir Allen County | 9 | 1968 | Significant | Satisfactory |
| Republic Wwt Lagoon Seneca County | 12 | 2003 | Significant | Satisfactory |
| R & F Lamira Freshwater Dam Belmont County | 45 | 1979 | Significant | Satisfactory |
| Rhoads Lake Dam (Upper) Ashland County | 18 | 1956 | Significant | Satisfactory |
| Robbins Pond Dam Allen County | 18 | 1992 | Low | Satisfactory |
| Roemer Lake Dam Warren County | 52 | 1960 | Significant | Satisfactory |
| Roosevelt Lake Dam Scioto County | 26 | 1934 | High | Satisfactory |
| Rose Lake Upper Dam Warren County | 36 | 1950 | Low | Satisfactory |
| Ross Trails Lake Dam Butler County | 48 | 1960 | High | Satisfactory |
| Rouster Lake Dam Clermont County | 20 | 1947 | Significant | Satisfactory |
| Royal Oak Lake Dam Meigs County | 34 | 1964 | Significant | Satisfactory |
| Rushcreek Structure No. Iii-B Perry County | 38 | 1968 | Significant | Satisfactory |
| Rushcreek Structure No. Iii-C Perry County | 36 | 1977 | High | Satisfactory |
| Rushcreek Structure No. Iii-E Perry County | 42 | 1986 | Significant | Satisfactory |
| Rushcreek Structure No. Iv-A Perry County | 26 | 1979 | Significant | Satisfactory |
| Rushcreek Structure No. Iv-E Perry County | 29 | 1979 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.