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 451–475 of 930
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Long Tom Lake Big Stone County | 15 | 1967 | Low | Satisfactory |
| Long Lake Cottonwood County | 10 | 2017 | Low | Satisfactory |
| Long Lake Douglas County | 8 | 1938 | Low | Satisfactory |
| Long Lake Hubbard County | 25 | 1949 | Low | Satisfactory |
| Long Lake Becker County | 9 | 1936 | Low | Satisfactory |
| Lone Wolf Itasca County | 20 | 1991 | Low | Not Rated |
| Logue Lake Rice County | 7 | 1977 | Low | Satisfactory |
| Loberg Pond Morrison County | 10 | 1969 | Low | Satisfactory |
| Little Wolf Itasca County | 13 | 1979 | Low | Not Rated |
| Little Willow River Wma Aitkin County | 10 | 1973 | Low | Satisfactory |
| Little Willow River Aitkin County | 10 | 1977 | Low | Not Rated |
| Little Waverly Lake Wright County | 7 | 1938 | Low | Satisfactory |
| Little Trout Detention No. 2 Winona County | 33 | 1972 | Low | Satisfactory |
| Little Trout Detention No. 1 Winona County | 36 | 1972 | Low | Satisfactory |
| Little Toad Lake Becker County | 10 | 1937 | Low | Poor |
| Little Swan Lake Todd County | 9 | — | Low | Satisfactory |
| Little Rock Creek Benton County | 8 | 1978 | Low | Satisfactory |
| Little Pine Wma Clearwater County | 12 | 1987 | Low | Satisfactory |
| Little Pine Lake Otter Tail County | 7 | 1933 | Low | Satisfactory |
| Little Pine Lake Aitkin County | 10 | 1937 | Low | Poor |
| Little Lake Nicollet County | 8 | 2009 | Low | Satisfactory |
| Little Kandiyohi Lake Kandiyohi County | 10 | 1941 | Low | Fair |
| Little Hill Pond Aitkin County | 10 | 1978 | Low | Poor |
| Little Elk Wma South Pool Morrison County | 11 | 2006 | Low | Satisfactory |
| Little Elk Wma Main Pool Morrison County | 10 | 1981 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.