Minnesota Dams
1,122 dams tracked by the National Inventory of Dams
Total Dams
1,122
High Hazard
43
3.8%
Poor / Unsatisfactory
80
Average Age
61 yrs
Hazard Classification
High43 (3.8%)
Significant122 (10.9%)
Low930 (82.9%)
Condition Assessment
Satisfactory539 (48.0%)
Fair203 (18.1%)
Poor / Unsatisfactory80 (7.1%)
Not Rated300 (26.7%)
Federal
107
State
269
Local
325
Private
395
Tallest Dams
- Erie Basin 2250 ft
- Erie Basin 1200 ft
- Essar Steel Tailings Basin200 ft
- Poly Met Hrf Dam111 ft
- Canisteo No. 2 North100 ft
High Hazard Dams
Poor Condition Dams
- Rapidan Unsatisfactory
- Tetonka RidgePoor
- Lake BronsonPoor
- Pickwick MillPoor
- Schmidt PondPoor
All Dams in Minnesota
Showing 1–25 of 1,122
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Zerbe Pond Winona County | 33 | 1979 | Low | Satisfactory |
| Wynne Lake St. Louis County | 15 | 1944 | Low | Satisfactory |
| Wood Lake Watonwan County | 8 | 1940 | Low | Satisfactory |
| Woodbury Hudson Rd Washington County | 16 | 2004 | Significant | Satisfactory |
| Wolf Lake Itasca County | 11 | 1938 | Low | Satisfactory |
| Wolf Lake St. Louis County | 16 | 1941 | Low | Satisfactory |
| Winton Lake County | 67 | 1923 | Low | Satisfactory |
| Winsted Lake McLeod County | 7 | 1954 | Low | Satisfactory |
| Winnibigoshish Dam Cass County | 23 | 1884 | Significant | Not Available |
| Winnebago 35c Houston County | 30 | 2013 | Low | Not Rated |
| Winnebago 35b Houston County | 26 | 2012 | Low | Not Rated |
| Winnebago 1 Houston County | 29 | 2021 | Low | Satisfactory |
| Wind Lake Lake County | 8 | 1900 | Low | Not Rated |
| Wilson Lake Lake County | 15 | 1961 | Low | Poor |
| Wilmont 8 Nobles County | 23 | — | Low | Not Rated |
| Wilmington 3 Houston County | 18 | 2011 | Low | Not Rated |
| Willow River Pine County | 26 | 1941 | Low | Not Rated |
| Willow River Cass County | 9 | 1962 | Low | Satisfactory |
| Will-O-B Douglas County | 13 | 1990 | Low | Satisfactory |
| Willis Lake Waseca County | 9 | — | Low | Satisfactory |
| Wild Rice River (Heiberg) Norman County | 25 | 1875 | Low | Not Rated |
| Wild Rice Lake St. Louis County | 11 | 1907 | Low | Satisfactory |
| Whitewater Reservoir Saddle Dam St. Louis County | 36 | 1954 | Significant | Satisfactory |
| Whitewater Reservoir St. Louis County | 40 | 1954 | Significant | Satisfactory |
| White Rock Dam Traverse County | 33 | 1941 | High | Not Available |
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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.