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 1,122
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Mustinka River Grant County | 21 | 1940 | Significant | Satisfactory |
| Muskrat Lake Becker County | 11 | 1888 | Low | Satisfactory |
| Mud Lake Restoration Meeker County | 9 | 1970 | Low | Fair |
| Mud Lake Renville County | 10 | 1986 | Low | Fair |
| Mud Lake Kanabec County | 8 | 1936 | Low | Not Rated |
| Mud-Goose Lake Cass County | 8 | 1960 | Low | Satisfactory |
| Movil Lake Beltrami County | 12 | 1938 | Low | Not Rated |
| Mountain Lake Cottonwood County | 15 | 1960 | Significant | Satisfactory |
| Mound Creek North Pool Rock County | 18 | 1940 | Low | Fair |
| Moses Lake Douglas County | 8 | 1937 | Low | Not Rated |
| Morristown Pond Rice County | 11 | 1937 | Low | Satisfactory |
| Morris T Baker Reserve Hennepin County | 12 | 1976 | Low | Satisfactory |
| Morph Wma Itasca County | 12 | 1982 | Low | Satisfactory |
| Morehouse Park Steele County | 12 | 1930 | Low | Satisfactory |
| Moose-Willow 2 Aitkin County | 14 | 1966 | Undetermined | Poor |
| Moose-Willow 1 Aitkin County | 16 | 1960 | Low | Satisfactory |
| Moose River Project Beltrami County | 20 | 1986 | Low | Satisfactory |
| Moose Lake State Park Carlton County | 14 | 1988 | Low | Poor |
| Moorhead Lagoon Clay County | 12 | 1950 | Low | Satisfactory |
| Moonan Marsh Waseca County | 13 | 1967 | Low | Satisfactory |
| Monroe 8 Lyon County | 39 | 2010 | Low | Not Rated |
| Monroe 4 Lyon County | 15 | 1989 | Low | Fair |
| Monroe 3 Lyon County | 37 | 2007 | Low | Fair |
| Monroe 13 Lyon County | 21 | — | Low | Fair |
| Moehrke SCS Carlton County | 23 | 1977 | Low | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.