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 176–200 of 421
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Mirror Lake Dam Medina County | 26 | 1950 | Low | Fair |
| Mineral Springs Resort Lake Dam Adams County | 67 | 1973 | High | Fair |
| Millwood Plant Dam Knox County | 14 | — | Significant | Fair |
| Mid-Western Childrens Home Lake Dam Warren County | 15 | 1967 | Significant | Fair |
| Middletown Sportsman Club Lake Dam Butler County | 41 | 1963 | Significant | Fair |
| Miami View Golf Club Pond No. 2 Dam Hamilton County | 43 | — | Significant | Fair |
| Miami View Golf Club Pond No. 1 Dam Hamilton County | 38 | 1962 | Significant | Fair |
| Metzger Upground Reservoir Allen County | 45 | 1946 | High | Fair |
| Meigs-Phillips I No. 1 Dam Belmont County | 58 | 1987 | High | Fair |
| Mckelvey Lake Dam Mahoning County | 77 | 1926 | High | Fair |
| Mccomb Upground Reservoir No. 2 Hancock County | 32 | 1979 | High | Fair |
| Mccomb Upground Reservoir No. 1 Hancock County | 17 | 1953 | High | Fair |
| Mcclure Lake Dam Lawrence County | 36 | 1966 | Low | Fair |
| Mcbride Lake Dam Scioto County | 21 | — | Significant | Fair |
| Mathews Pond Dam Noble County | 58 | 1969 | Significant | Fair |
| Marsh Lake Dam Tuscarawas County | 43 | 1955 | Significant | Fair |
| Margaret Creek Structure No. 4 Athens County | 34 | 1971 | High | Fair |
| Margaret Creek Structure No. 2 Athens County | 60 | 1970 | High | Fair |
| Mallard Cove Lake Dam Hamilton County | 36 | 1984 | Significant | Fair |
| Malek Lake Dam Medina County | 17 | 1967 | Significant | Fair |
| Ludwig Dam Columbiana County | 15 | — | Low | Fair |
| Luburgh Lake Dam No. 5 Muskingum County | 23 | 1963 | Low | Fair |
| Luburgh Lake Dam No. 12 Muskingum County | 43 | 1963 | Significant | Fair |
| Loretta Lake Dam Lorain County | 20 | 1968 | Low | Fair |
| Lockington Dam Shelby County | 78 | 1922 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.