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 76–100 of 239
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Paper Mill Monroe County | 14 | 1865 | Low | Satisfactory |
| Oxford Marquette County | 25 | 1849 | Low | Satisfactory |
| Otter Lake Chippewa County | 25 | 1964 | Low | Satisfactory |
| Osseo Trempealeau County | 14 | 1860 | High | Satisfactory |
| Okauchee Lake Waukesha County | 18 | 1961 | Low | Satisfactory |
| Ogdensburg Waupaca County | 7 | 1845 | High | Satisfactory |
| Oconto Falls Upper Oconto County | 37 | 1902 | High | Satisfactory |
| Oconto Falls Lower Oconto County | 22 | 1857 | Low | Satisfactory |
| North Pelican Oneida County | 11 | 1908 | Low | Satisfactory |
| New Richmond Mills St. Croix County | 19 | 1812 | High | Satisfactory |
| Neshonoc La Crosse County | 18 | 1914 | Low | Satisfactory |
| Nekoosa Wood County | 32 | 1889 | Low | Satisfactory |
| Neenah Winnebago County | 15 | 1881 | High | Satisfactory |
| Necedah Juneau County | 20 | 1850 | Low | Satisfactory |
| Navarino Marsh 2 Shawano County | 9 | 1971 | Low | Satisfactory |
| Navarino 15 Ac Flowage Shawano County | 7 | 1995 | Low | Satisfactory |
| Namekagon Bayfield County | 9 | 1886 | High | Satisfactory |
| Musser Price County | 21 | 1936 | Low | Satisfactory |
| Murray Price County | 18 | 1880 | Significant | Satisfactory |
| Mukwonago Waukesha County | 10 | 1848 | Low | Satisfactory |
| Mt Horeb Dane County | 34 | 1940 | High | Satisfactory |
| Monterey Waukesha County | 16 | 1848 | Low | Satisfactory |
| Mishicot Manitowoc County | 11 | 1846 | Low | Satisfactory |
| Minocqua Oneida County | 9 | 1909 | Low | Satisfactory |
| Middle Appleton Outagamie County | 11 | 1930 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.