Dams in Marquette County, Wisconsin
13Total Dams
3High Hazard
1Significant
Dam Safety in Marquette County, Wisconsin
Marquette County has 13 dams tracked in the National Inventory of Dams. Of these, 3 are classified as high hazard — meaning failure would probably cause loss of human life. Another 1 carry a significant hazard classification. Currently, 1 dams have a condition assessment of poor or unsatisfactory.
The average dam in Marquette County is 124 years old. The most common purpose is recreation. The tallest dam is Lawrence Lake at 35 ft.
Explore more: Oldest dams in Wisconsin · Tallest dams · High risk dams · Largest reservoirs
Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Montello Granite | High | Fair | 24 | Recreation | 1914 |
| Harrisville | High | Satisfactory | 15 | Hydroelectric | 1853 |
| Briggsville | High | Satisfactory | 14 | Recreation | 1850 |
| Richards Mill | Significant | Fair | 13 | Recreation | 1882 |
| Lawrence Lake | Low | Fair | 35 | Hydroelectric | 1845 |
| Oxford | Low | Satisfactory | 25 | Recreation | 1849 |
| Neshkoro | Low | Poor | 19 | Recreation | 1852 |
| Westfield | Low | Fair | 19 | Hydroelectric | 1853 |
| Grand River Marsh | Low | Fair | 16 | Other | 1969 |
| Buffalo Lake Dam | Low | Not Rated | 13 | 1922 | |
| Lang | Low | Not Rated | 11 | Recreation | 1973 |
| Germania (lower) | Low | Fair | 11 | Recreation | 1959 |
| Duffy's Marsh | Low | Fair | 8 | Other | 1997 |