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 51–75 of 539
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Thibert Red Lake County | 30 | — | Low | Satisfactory |
| Taylors Falls Wall Chisago County | 30 | 1906 | High | Satisfactory |
| Tanberg 7 Wilkin County | 20 | 2009 | Low | Satisfactory |
| Tamarac River R1 Marshall County | 21 | 1975 | Low | Satisfactory |
| Talcot Lake Wma-Frerichs Cottonwood County | 8 | 1970 | Low | Satisfactory |
| Sylvan Dike No. 2 Morrison County | 8 | 1913 | Low | Satisfactory |
| Swift Falls Swift County | 15 | 1967 | Low | Satisfactory |
| Swart Watts Lake Wright County | 8 | 1941 | Low | Satisfactory |
| Swan Lake Nicollet County | 8 | 1977 | Low | Satisfactory |
| Swan Lake Kandiyohi County | 11 | 1941 | Low | Satisfactory |
| Sunrise River Chisago County | 18 | 1885 | Low | Satisfactory |
| Sunny Hill-Upper Norman County | 21 | 1974 | Low | Satisfactory |
| Sunny Hill-Lower Norman County | 24 | 1974 | Low | Satisfactory |
| Straight Lake Becker County | 20 | 1942 | Low | Satisfactory |
| Stone Lake Meeker County | 10 | 1999 | Low | Satisfactory |
| Stinking Lake Becker County | 29 | 1992 | Low | Satisfactory |
| Sterle Pool Carlton County | 20 | 1990 | Low | Satisfactory |
| Steen Wma Big Stone County | 26 | 1988 | Low | Satisfactory |
| St. Cloud Stearns County | 23 | 1972 | High | Satisfactory |
| State Line Lake Freeborn County | 8 | 1930 | Low | Satisfactory |
| State Hospital Pond Nicollet County | 35 | 1970 | Significant | Satisfactory |
| State Ditch No. 90 Kittson County | 7 | 1970 | Low | Satisfactory |
| Staples Wma Todd County | 12 | 1988 | Low | Satisfactory |
| Spruce Creek Douglas County | 27 | 1870 | Significant | Satisfactory |
| Spring Grove Group Structure Houston County | 30 | 1983 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.