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 26–50 of 539
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Watkins Lake Waseca County | 7 | 1938 | Undetermined | Satisfactory |
| Warrington Goodhue County | 36 | 1983 | Low | Satisfactory |
| Warren Twp Road Winona County | 21 | 1975 | Significant | Satisfactory |
| Warren Storage Marshall County | 30 | 2002 | Significant | Satisfactory |
| Walnut Grove Redwood County | 57 | 1979 | Significant | Satisfactory |
| Wabana Lake Itasca County | 7 | 1940 | Low | Satisfactory |
| W9 Water Quality Nobles County | 20 | 2001 | Low | Satisfactory |
| Voth Detention No. 1 Goodhue County | 37 | 1958 | Low | Satisfactory |
| Vokaty-Yonak Wright County | 9 | 1970 | Low | Satisfactory |
| Vermillion River Dakota County | 14 | 1854 | Low | Satisfactory |
| Velvet Lake Crow Wing County | 8 | 1937 | Low | Satisfactory |
| Us Steel Morgan Park St. Louis County | 23 | — | Low | Satisfactory |
| Upper Rice Lake Clearwater County | 7 | 1968 | Low | Satisfactory |
| Unimin Wetland Restoration Le Sueur County | 12 | 2014 | Low | Satisfactory |
| Twp Road 73 Lyon County | 23 | 1999 | Low | Satisfactory |
| Twp Road 127 Lincoln County | 20 | 1995 | Low | Satisfactory |
| Two Harbors Dock Lake County | 32 | 1978 | Low | Satisfactory |
| Trout Lake Tailings Itasca County | 35 | 1954 | Low | Satisfactory |
| Trophy Lake Carver County | 28 | 2008 | Low | Satisfactory |
| Trophy Lake Pope County | 27 | 2000 | Low | Satisfactory |
| Town Lake Becker County | 10 | 1939 | Low | Satisfactory |
| Thomson Dam No 11 Carlton County | 17 | 1907 | High | Satisfactory |
| Thompson Wetland Otter Tail County | 14 | 1997 | Low | Satisfactory |
| Thief River Falls Pennington County | 25 | 1946 | Low | Satisfactory |
| Thief Lake Marshall County | 19 | 1931 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.