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 801–825 of 1,122
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Preston 21 Fillmore County | 29 | — | Low | Fair |
| Prestorious F Pond Freeborn County | 18 | 1971 | Low | Fair |
| Prior Lake Scott County | 12 | — | Low | Not Rated |
| Rabideau Lake Beltrami County | 7 | 1937 | Low | Fair |
| Rain Pond Fillmore County | 25 | 1967 | Low | Satisfactory |
| Ramsey Mower County | 13 | 1872 | Low | Poor |
| Randy Hansen Wildlife Dam Anoka County | 11 | 1989 | Low | Not Rated |
| Rapidan Blue Earth County | 73 | 1910 | Significant | Unsatisfactory |
| Rauk Detention Houston County | 27 | 1969 | Low | Satisfactory |
| Rcrca 1 Redwood County | 14 | 2020 | Low | Satisfactory |
| Rediske-Vatland Group Fillmore County | 29 | 1976 | Low | Poor |
| Red Lake River Clearwater County | 14 | — | Low | Not Available |
| Redpath 21 Traverse County | 18 | — | Significant | Not Rated |
| Red River Drayton Kittson County | 20 | 1964 | Low | Fair |
| Red Rock 14 Mower County | 17 | 2020 | Low | Satisfactory |
| Red Rock 26 Mower County | 10 | 2020 | Low | Satisfactory |
| Red Rock 27 Mower County | 7 | 2020 | Low | Satisfactory |
| Red Rock 36 North Mower County | 18 | — | Low | Not Rated |
| Red Rock 36 South Mower County | 14 | — | Low | Not Rated |
| Redwood Falls Redwood County | 41 | 1902 | High | Not Rated |
| Redwood River Lyon County | 32 | 1963 | Significant | Satisfactory |
| Redwood River Diversion Redwood County | 34 | 1975 | Low | Satisfactory |
| Renneberg Lake Wetland Restoration Le Sueur County | 20 | 2008 | Low | Satisfactory |
| Reservation Dam Traverse County | 16 | 1940 | Low | Not Available |
| Reservoir No. 2 Itasca County | 40 | 1972 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.