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 101–125 of 180
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Meinhardt Richland County | 25 | 1968 | High | Satisfactory |
| Menasha Lock and Dam Winnebago County | 16 | 1937 | High | Not Available |
| Mendota Locks Dane County | 16 | 1849 | High | Satisfactory |
| Menomonie Dunn County | 37 | 1957 | High | Fair |
| Merton Rolling Mill Waukesha County | 10 | 1840 | High | Fair |
| Meyer 6 Taylor County | 26 | 1968 | High | Fair |
| Meyer Material Kd Pit Kenosha County | 22 | 1995 | High | Fair |
| Mill Creek 22 Richland County | 25 | 1961 | High | Fair |
| Mill Creek 6 Richland County | 19 | 1960 | High | Not Rated |
| Milwaukee County Grounds | 32 | — | High | Fair |
| Minong Flowage Washburn County | 29 | 1936 | High | Fair |
| Mlsna Vernon County | 35 | 1956 | High | Unsatisfactory |
| Montello Granite Marquette County | 24 | 1914 | High | Fair |
| Moose Lake 1 Sawyer County | 23 | 1897 | High | Fair |
| Mt Horeb Dane County | 34 | 1940 | High | Satisfactory |
| Namekagon Bayfield County | 9 | 1886 | High | Satisfactory |
| Neenah Winnebago County | 15 | 1881 | High | Satisfactory |
| Nelligan Lake Marinette County | 23 | 1968 | High | Fair |
| Neopit Menominee County | 18 | 1908 | High | Unsatisfactory |
| Neshoto Manitowoc County | 15 | 1914 | High | Fair |
| New Richmond Mills St. Croix County | 19 | 1812 | High | Satisfactory |
| Oconto Falls Upper Oconto County | 37 | 1902 | High | Satisfactory |
| Ogdensburg Waupaca County | 7 | 1845 | High | Satisfactory |
| Old Paper Mill Walworth County | 15 | 1914 | High | Fair |
| Old Stone Mill Walworth County | 17 | 1839 | High | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.