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 301–325 of 539
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Mac Pond 2 Hennepin County | 35 | 2001 | Low | Satisfactory |
| Mans Pond Pine County | 12 | 1968 | Low | Satisfactory |
| Manston Slough Wilkin County | 10 | 2015 | Low | Satisfactory |
| Mashaug Creek 10 Norman County | 30 | 1984 | Low | Satisfactory |
| Mayhew Lake Benton County | 9 | 1949 | Low | Satisfactory |
| Mayowood Lake Olmsted County | 25 | 1920 | Low | Satisfactory |
| Mccrea 12 Marshall County | 20 | 2008 | Significant | Satisfactory |
| Mcdonald Lakes Otter Tail County | 7 | 1937 | Low | Satisfactory |
| Mcknight Lake Carver County | 8 | — | Low | Satisfactory |
| Merten'S Redwood County | 7 | 1979 | Low | Satisfactory |
| Mesabi Chief Clarification Itasca County | 24 | 1960 | Low | Satisfactory |
| Mesabi Chief Tailings 2 Itasca County | 40 | 1952 | Low | Satisfactory |
| Mesabi Chief Tailings 3 Itasca County | 24 | 1960 | Low | Satisfactory |
| Middle Lake Nicollet County | 7 | 1946 | Low | Satisfactory |
| Mill Creek Stearns County | 13 | 1870 | Low | Satisfactory |
| Mille Lacs Mille Lacs County | 8 | 2015 | Low | Satisfactory |
| Miller Estate Farm Pond Lincoln County | 22 | 1975 | Significant | Satisfactory |
| Miller Estate Farm Pond West Lincoln County | 26 | 1984 | Low | Satisfactory |
| Miller F Red Lake County | 25 | 1976 | Low | Satisfactory |
| Miller Lange Pond Fillmore County | 26 | 1973 | Low | Satisfactory |
| Millerville Douglas County | 10 | 2012 | Low | Satisfactory |
| Minett-Kranz Detention Pipestone County | 33 | 1988 | Low | Satisfactory |
| Minnesota Lake Faribault County | 8 | 1997 | Low | Satisfactory |
| Minorca Pit South St. Louis County | 30 | 2008 | Significant | Satisfactory |
| Mlo Partnership Winona County | 32 | 1986 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.