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 539
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Sodus 23 E Lyon County | 20 | 1992 | Low | Satisfactory |
| Sodus 25 Lyon County | 35 | 1988 | Low | Satisfactory |
| Sodus 28 Lyon County | 22 | 1991 | Low | Satisfactory |
| Sonstegard-Telste Lyon County | 46 | 1983 | Significant | Satisfactory |
| South Branch Wild Rice Upper Becker County | 34 | 1981 | Low | Satisfactory |
| South Zumbro Br-1 Olmsted County | 75 | 1991 | High | Satisfactory |
| South Zumbro Kr-3 Olmsted County | 30 | 1993 | High | Satisfactory |
| South Zumbro Kr-6 Olmsted County | 37 | 1993 | High | Satisfactory |
| South Zumbro Kr-7 Olmsted County | 35 | 1994 | High | Satisfactory |
| South Zumbro Sr-2 Olmsted County | 50 | 1992 | High | Satisfactory |
| South Zumbro Wr-4 Olmsted County | 46 | 1988 | High | Satisfactory |
| South Zumbro Wr-6a Olmsted County | 56 | 1989 | High | Satisfactory |
| Spooner Group Detention Winona County | 38 | 1986 | Low | Satisfactory |
| Springdale 20 Redwood County | 23 | — | Low | Satisfactory |
| Spring Grove Group Structure Houston County | 30 | 1983 | Low | Satisfactory |
| Spruce Creek Douglas County | 27 | 1870 | Significant | Satisfactory |
| Staples Wma Todd County | 12 | 1988 | Low | Satisfactory |
| State Ditch No. 90 Kittson County | 7 | 1970 | Low | Satisfactory |
| State Hospital Pond Nicollet County | 35 | 1970 | Significant | Satisfactory |
| State Line Lake Freeborn County | 8 | 1930 | Low | Satisfactory |
| St. Cloud Stearns County | 23 | 1972 | High | Satisfactory |
| Steen Wma Big Stone County | 26 | 1988 | Low | Satisfactory |
| Sterle Pool Carlton County | 20 | 1990 | Low | Satisfactory |
| Stinking Lake Becker County | 29 | 1992 | Low | Satisfactory |
| Stone Lake Meeker County | 10 | 1999 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.