Wisconsin Dams
968 dams tracked by the National Inventory of Dams
Total Dams
968
High Hazard
180
18.6%
Poor / Unsatisfactory
63
Average Age
89 yrs
Hazard Classification
High180 (18.6%)
Significant84 (8.7%)
Low704 (72.7%)
Condition Assessment
Satisfactory239 (24.7%)
Fair509 (52.6%)
Poor / Unsatisfactory63 (6.5%)
Not Rated157 (16.2%)
Federal
65
State
127
Local
407
Private
280
Tallest Dams
- Superior Falls138 ft
- Eau Galle Dam127 ft
- Flambeau 92 ft
- Hatfield 92 ft
- Plum Creek 288 ft
High Hazard Dams
- Eau Galle DamHigh
- Flambeau High
- Hatfield High
- Plum Creek 2High
- High Falls High
Poor Condition Dams
- West Fork Kickapoo 1Unsatisfactory
- DoyleUnsatisfactory
- Coon Creek 21Unsatisfactory
- Rock FallsPoor
- Garden Valley 10Unsatisfactory
All Dams in Wisconsin
Showing 576–600 of 968
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Mill Creek 22 Richland County | 25 | 1961 | High | Fair |
| Mill Creek 3 Richland County | 31 | 1961 | Low | Fair |
| Mill Creek 6 Richland County | 19 | 1960 | High | Not Rated |
| Mill Creek 9a Richland County | 29 | 1965 | Significant | Fair |
| Miller Barron County | 39 | 1972 | Low | Not Rated |
| Millhome Manitowoc County | 11 | 1930 | Low | Fair |
| Millston Jackson County | 26 | 1873 | Low | Fair |
| Milwaukee County Grounds | 32 | — | High | Fair |
| Minerva Burnett County | 14 | 1937 | Low | Fair |
| Minocqua Oneida County | 9 | 1909 | Low | Satisfactory |
| Minong Flowage Washburn County | 29 | 1936 | High | Fair |
| Miscauno Pond Marinette County | 12 | 1940 | Low | Fair |
| Mischos Fond du Lac County | 8 | 1995 | Low | Fair |
| Mishicot Manitowoc County | 11 | 1846 | Low | Satisfactory |
| Mississippi River Lock and Dam 4 Wabasha County | 42 | 1935 | Significant | Not Available |
| Mississippi River Lock and Dam 6 Winona County | 40 | 1936 | Significant | Not Available |
| Mississippi River Lock and Dam 8 Houston County | 42 | 1937 | Significant | Not Available |
| Mississippi River Lock and Dam 9 Allamakee County | 46 | 1937 | Significant | Not Available |
| Mlsna Vernon County | 35 | 1956 | High | Unsatisfactory |
| Monches Waukesha County | 14 | 1844 | Low | Fair |
| Mondeaux Dam Taylor County | 15 | 1937 | Significant | Not Rated |
| Monson Flowage Taylor County | 9 | 1962 | Low | Fair |
| Montello Granite Marquette County | 24 | 1914 | High | Fair |
| Monterey Waukesha County | 16 | 1848 | Low | Satisfactory |
| Moose Lake 1 Sawyer County | 23 | 1897 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.