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 826–850 of 1,122
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Reservoir No. 6 Itasca County | 40 | 1966 | Low | Satisfactory |
| Rice Lake Becker County | 9 | 1968 | Low | Not Rated |
| Rice Lake Faribault County | 10 | 1930 | Low | Satisfactory |
| Rice Lake Hennepin County | 15 | 1967 | Low | Satisfactory |
| Rice Lake Blue Earth County | 9 | 1945 | Low | Not Rated |
| Rice Lake Outlet Dodge County | 8 | 1941 | Low | Satisfactory |
| Rice Lake Pool Aitkin County | 12 | 1952 | Low | Not Rated |
| Rice Lake Wetland Restoration Upper Becker County | 8 | 2020 | Low | Not Rated |
| Riceland 6 Freeborn County | 16 | 2010 | Low | Satisfactory |
| Rice Portage Lake Carlton County | 8 | — | Undetermined | Not Available |
| Rice River Pool Aitkin County | 12 | 1949 | Low | Not Rated |
| Rice-Skunk Lakes Morrison County | 8 | 1971 | Low | Satisfactory |
| Richards Group Pond Houston County | 27 | 1959 | Low | Satisfactory |
| Richards Pond Kanabec County | 14 | 1967 | Low | Not Rated |
| Riekmann Goodhue County | 34 | 1986 | Low | Satisfactory |
| Ripple Lake Aitkin County | 10 | 1938 | Low | Poor |
| Riverside Park Polk County | 13 | 1930 | Low | Fair |
| Riverton 28 Clay County | 9 | 2008 | Low | Satisfactory |
| Rochester 50th Ave Nw Olmsted County | 28 | 2007 | Significant | Satisfactory |
| Rock 33 Pipestone County | 30 | — | Low | Not Rated |
| Rock Lake 15 Lyon County | 13 | 1988 | Low | Fair |
| Rockwell Norman County | 31 | 1974 | Low | Satisfactory |
| Rogers Lake Crow Wing County | 8 | 1938 | Undetermined | Fair |
| Roiger Detention Brown County | 32 | 1986 | Low | Not Rated |
| Roosevelt Lake Crow Wing County | 8 | 1936 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.