Dams in Jefferson County, Wisconsin
10Total Dams
4High Hazard
0Significant
Dam Safety in Jefferson County, Wisconsin
Jefferson County has 10 dams tracked in the National Inventory of Dams. Of these, 4 are classified as high hazard — meaning failure would probably cause loss of human life.
The average dam in Jefferson County is 117 years old. The most common purpose is recreation. The tallest dam is Spring Lake at 17 ft.
Explore more: Oldest dams in Wisconsin · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Spring Lake | High | Fair | 17 | Recreation | 1844 |
| Lake Mills | High | Satisfactory | 17 | Recreation | 1865 |
| Blue Spring Lake | High | Fair | 15 | Recreation | 1928 |
| Rome | High | Satisfactory | 11 | Recreation | 1838 |
| Carlin | Low | Satisfactory | 17 | Recreation | 1943 |
| Lower Watertown Dam | Low | Satisfactory | 13 | Hydroelectric | 1904 |
| Upper Watertown | Low | Satisfactory | 12 | Hydroelectric | 1909 |
| Jefferson | Low | Satisfactory | 11 | Recreation | 1842 |
| Jefferson Marsh Wrp - South | Low | Fair | 9 | Other | 2004 |
| Jefferson Marsh Wrp - North | Low | Fair | 8 | Other | 2004 |