Dams in Huron County, Ohio
22Total Dams
10High Hazard
5Significant
Dam Safety in Huron County, Ohio
Huron County has 22 dams tracked in the National Inventory of Dams. Of these, 10 are classified as high hazard — meaning failure would probably cause loss of human life. Another 5 carry a significant hazard classification. Currently, 6 dams have a condition assessment of poor or unsatisfactory.
The average dam in Huron County is 78 years old. The most common purpose is water supply. The tallest dam is Willard City Upground Reservoir at 65 ft.
Explore more: Oldest dams in Ohio · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Willard City Upground Reservoir | High | Fair | 65 | Water Supply | 1971 |
| Norwalk Memorial Reservoir | High | Fair | 54 | Water Supply | 1954 |
| Holiday Lake Dam | High | Satisfactory | 40 | Recreation | 1965 |
| Norwalk Upper Reservoir | High | Satisfactory | 39 | Water Supply | 1896 |
| New London Reservoir | High | Satisfactory | 39 | Water Supply | 1975 |
| Norwalk Lower Reservoir | High | Satisfactory | 34 | Water Supply | 1896 |
| Greenwich Reservoir Dam | High | Poor | 20 | Recreation | 1921 |
| Bellevue Upground Reservoir No. 4 | High | Poor | 18 | Water Supply | 1919 |
| Bellevue Upground Reservoir No. 3 | High | Poor | 18 | Water Supply | 1900 |
| Bellevue Upground Reservoir No. 1 | High | Poor | 14 | Water Supply | 1874 |
| Bellevue Upground Reservoir No. 5 | Significant | Fair | 28 | Water Supply | 1946 |
| Camp Conger Lake Dam | Significant | Fair | 19 | Recreation | 1963 |
| Monroeville Upground Reservoir | Significant | Fair | 17 | Water Supply | 2000 |
| Wakeman Wwt Lagoon | Significant | Satisfactory | 13 | Debris Control | 1993 |
| Plymouth Wastewater Lagoon | Significant | Satisfactory | 10 | Tailings | 1966 |
| Big Bass Lake Dam | Low | Fair | 31 | Recreation | 1965 |
| Ockenga Lake Dam | Low | Poor | 29 | Recreation | 1966 |
| Indian Trail Campground Lake Dam | Low | Poor | 26 | Recreation | 1969 |
| Willard Lake Dam | Low | Fair | 22 | Recreation | 1955 |
| Hartman Dam | Low | Fair | 19 | Recreation | 1972 |
| Realty Investment Property Dam | Low | Satisfactory | 16 | Recreation | 1968 |
| Wakeman Low Head Dam | Undetermined | 10 | Recreation | 1910 |