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 126–150 of 339
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Hidden Hill Lake Dam Clermont County | 32 | 1943 | Low | Poor |
| High Lands Golf Club Dam Licking County | 31 | 1988 | Low | Poor |
| Hills of Eden Lake Dam Harrison County | 16 | 1970 | Low | Fair |
| Hintz Lake Dam Fairfield County | 26 | 1964 | Low | Fair |
| Hoar Pond Dam Licking County | 26 | 1953 | Low | Poor |
| Hosterman Lake Dam Clark County | 28 | 1938 | Low | Fair |
| Howison Lake Dam Vinton County | 32 | 1975 | Low | Satisfactory |
| Hoyek Lake Dam Ashland County | 26 | 1969 | Low | Fair |
| Hunters Run Structure No. R-13 Fairfield County | 30 | 1956 | Low | Fair |
| Hunters Run Structure No. R-21 Fairfield County | 28 | 1961 | Low | Poor |
| Hunters Run Structure No. R-65 Fairfield County | 28 | 1961 | Low | Fair |
| Hunters Run Structure R-61 Fairfield County | 26 | 1959 | Low | Fair |
| Hutchings Station Dam Montgomery County | 9 | 1948 | Low | Satisfactory |
| Hutchins Lake Dam Richland County | 18 | 1965 | Low | Satisfactory |
| Indian Canoe Lake Dam Portage County | 28 | 1958 | Low | Poor |
| Indian Trail Campground Lake Dam Huron County | 26 | 1969 | Low | Poor |
| International Animal Preserve Dam 9715-009 Muskingum County | 38 | 1972 | Low | Poor |
| International Animal Preserve Pond Dam #37 Muskingum County | 13 | 1976 | Low | Poor |
| International Animal Preserve Pond Dam #49 Muskingum County | 22 | — | Low | Poor |
| International Animal Preserve Pond Dam #7 Muskingum County | 34 | 1961 | Low | Poor |
| International Animal Preserve Pond Dam #9 Muskingum County | 24 | 1962 | Low | Satisfactory |
| Ismond Pond Dam Columbiana County | 27 | 1957 | Low | Fair |
| Jack Towne Dam Guernsey County | 16 | 1948 | Low | Satisfactory |
| J.E. Annahannah Lake Dam Jackson County | 26 | 1963 | Low | Fair |
| Jeans Lake Dam Medina County | 23 | 1952 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.