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 426–450 of 1,122
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Norland 36 Roseau County | 15 | 2011 | Low | Satisfactory |
| Nordland 8 Lyon County | 16 | 1990 | Low | Satisfactory |
| Nordland 6 Lyon County | 20 | 1992 | Low | Satisfactory |
| Nordland 5 Lyon County | 22 | 1992 | Low | Satisfactory |
| Nordland 35 Lyon County | 18 | 1991 | Low | Fair |
| Nordland 32 Lyon County | 33 | 1992 | Low | Satisfactory |
| Nordland 18 Lyon County | 30 | 1981 | Low | Satisfactory |
| Nordland 15 Lyon County | 25 | 2013 | Low | Not Rated |
| Nora Wma Pope County | 11 | — | Low | Satisfactory |
| Nora 33 Pope County | 11 | 1967 | Low | Satisfactory |
| Nokay Lake Crow Wing County | 8 | 1966 | Low | Satisfactory |
| Ninefeldt Pool Carlton County | 9 | 1969 | Low | Satisfactory |
| Nielsville Polk County | 22 | 1962 | Low | Not Rated |
| Ney Wetland Wright County | 9 | 2009 | Low | Not Rated |
| New London Kandiyohi County | 22 | 1864 | High | Not Rated |
| Newfolden Marshall County | 23 | 2024 | Significant | Not Rated |
| Nett Lake Koochiching County | 14 | 1987 | Low | Not Available |
| Nesvold-Tesch Wetland Carver County | 18 | 1999 | Low | Satisfactory |
| Nesvold-Tesch Saddle Carver County | 10 | 2000 | Undetermined | Satisfactory |
| Nest Lake Kandiyohi County | 12 | 1964 | Low | Poor |
| Ness Rudlong Ellenberg Group Fillmore County | 35 | 1972 | Low | Not Rated |
| Nereson Wma Roseau County | 16 | 1981 | Low | Satisfactory |
| Nelson Pond Becker County | 17 | 1957 | Low | Poor |
| Nammacker Pond Pine County | 21 | 1973 | Low | Not Available |
| Myers Pond Wabasha County | 26 | 1966 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.