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 1–25 of 42
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Wright Iowa County | 13 | 1912 | Low | Poor |
| Wire and Nail Factory Ozaukee County | 28 | 1934 | Low | Poor |
| Whitehall-Pigeon Rod & Gun Cl Trempealeau County | 24 | 1972 | Low | Poor |
| Wedges Creek Clark County | 14 | 1930 | Low | Poor |
| Trump Lake Jackson County | 33 | 1969 | Low | Poor |
| Trout Lake Juneau County | 16 | 1928 | Low | Poor |
| Steinhorst and Coughlin Sauk County | 24 | 1970 | Low | Poor |
| Splitek Adams County | 14 | 1968 | Low | Poor |
| Sotak Flowage Taylor County | 9 | 1965 | Low | Poor |
| Sarazin Juneau County | 27 | 1969 | Low | Poor |
| Rothschild Marathon County | 27 | 1911 | High | Poor |
| Rock Falls Dunn County | 43 | 1864 | High | Poor |
| Richardson Sheboygan County | 12 | 1857 | Low | Poor |
| Princeton Green Lake County | 8 | 1892 | Low | Poor |
| Powell Marsh Wildlife Area Iron County | 8 | 1971 | Low | Poor |
| Pigeon Creek Flowage Rusk County | 11 | 1967 | Low | Poor |
| Nordby Barron County | 23 | 1963 | Low | Poor |
| Neshkoro Marquette County | 19 | 1852 | Low | Poor |
| Mud Creek Florence County | 11 | 1965 | Low | Poor |
| Mott Richland County | 29 | 1971 | Low | Poor |
| Mosinee Marathon County | 22 | 1910 | Low | Poor |
| Morrissey Walworth County | 12 | 1949 | Low | Poor |
| Middle Trappe River Flowage Langlade County | 10 | 1969 | Low | Poor |
| Lower Lost Lake Burnett County | 9 | 1953 | Low | Poor |
| Lily Lake Forest County | 7 | 1976 | Low | Poor |
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.