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 301–325 of 564
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lindenwood Lake Dam Medina County | 30 | 1958 | Significant | Satisfactory |
| Little Mountain Dam "A" Lake County | 46 | — | Significant | Poor |
| Long Lake Dam Summit County | 12 | 1936 | Significant | Satisfactory |
| Lower Carter Lake Dam Summit County | 30 | — | Significant | Satisfactory |
| Lower East Fork Equalization Basin Clermont County | 20 | 1992 | Significant | Satisfactory |
| Lower Wallace Lake Dam Columbiana County | 22 | — | Significant | Poor |
| Lower Woodsfield Reservoir Dam Monroe County | 47 | 1901 | Significant | Poor |
| Luburgh Lake Dam No. 11 Muskingum County | 48 | 1963 | Significant | Satisfactory |
| Luburgh Lake Dam No. 12 Muskingum County | 43 | 1963 | Significant | Fair |
| Luczek Lake Dam Cuyahoga County | 41 | 1992 | Significant | Satisfactory |
| Luehrs Lake Dam Ross County | 17 | — | Significant | Poor |
| Lyons Wwt Lagoon Fulton County | 8 | 2003 | Significant | Satisfactory |
| Madison Lake Dam Madison County | 26 | 1946 | Significant | Poor |
| Malek Lake Dam Medina County | 17 | 1967 | Significant | Fair |
| Mallard Cove Lake Dam Hamilton County | 36 | 1984 | Significant | Fair |
| Manfull Lake Dam Columbiana County | 18 | 1951 | Significant | Poor |
| Maple Valley Lake Dam Tuscarawas County | 27 | 1970 | Significant | Poor |
| Maplewood Lake Dam Meigs County | 19 | 1950 | Significant | Poor |
| Margaret Creek Structure No. 5 Athens County | 29 | 1970 | Significant | Satisfactory |
| Marko Lake Dam Stark County | 22 | 1962 | Significant | Poor |
| Marshfield Lake Dam Cuyahoga County | 15 | 1940 | Significant | Poor |
| Marsh Lake Dam Tuscarawas County | 43 | 1955 | Significant | Fair |
| Mathews Pond Dam Noble County | 58 | 1969 | Significant | Fair |
| Mcbride Lake Dam Scioto County | 21 | — | Significant | Fair |
| Mcclintock Lake Dam Allen County | 14 | 1982 | Significant | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.