Dams in Jackson County, Ohio
17Total Dams
5High Hazard
8Significant
Dam Safety in Jackson County, Ohio
Jackson County has 17 dams tracked in the National Inventory of Dams. Of these, 5 are classified as high hazard — meaning failure would probably cause loss of human life. Another 8 carry a significant hazard classification. Currently, 10 dams have a condition assessment of poor or unsatisfactory.
The average dam in Jackson County is 66 years old. The most common purpose is recreation. The tallest dam is Hammertown Lake Dam at 60 ft.
Explore more: Oldest dams in Ohio · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Hammertown Lake Dam | High | Poor | 60 | Water Supply | 1954 |
| Jisco Lake Dam | High | Poor | 56 | Recreation | 1952 |
| Wellston Reservoir Dam | High | Poor | 41 | Water Supply | 1920 |
| Lake Katharine Dam | High | Poor | 27 | Recreation | 1945 |
| Jackson Lake Dam | High | Fair | 23 | Recreation | 1939 |
| Donta Lake Dam | Significant | Poor | 42 | Recreation | 1965 |
| Waterloo Coal Double-cell Slurry Dam | Significant | Poor | 34 | Tailings | 1981 |
| Di-or Lake Dam | Significant | Poor | 32 | Recreation | 1972 |
| Jackson Lake Dam | Significant | Poor | 28 | Water Supply | |
| The Shire Lake Dam | Significant | Fair | 27 | Recreation | 1963 |
| Fairgreens Golf Club Dam | Significant | Satisfactory | 20 | Recreation | 1973 |
| Freshwater Cross-valley Pond 001 Dam | Significant | Poor | 17 | Other | 1981 |
| Shady Grove Dam | Significant | Fair | 16 | Recreation | 1962 |
| Lake Milton Dam | Low | Satisfactory | 34 | Recreation | |
| J.e. Annahannah Lake Dam | Low | Fair | 26 | Recreation | 1963 |
| Waterloo Coal Company Dam | Low | Poor | 19 | Recreation | |
| Upper Lake Milton Dam | Undetermined | Not Rated | 29 | Recreation |