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 1–25 of 122
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Alta Vista 36 Lincoln County | 32 | 2006 | Significant | Satisfactory |
| Arlington Detention Ramsey County | 15 | 1989 | Significant | Satisfactory |
| Barrett Lake Grant County | 12 | 1937 | Significant | Satisfactory |
| Belle Creek R-1 Goodhue County | 51 | 1979 | Significant | Not Rated |
| Big Stone Lake Big Stone County | 15 | 1937 | Significant | Satisfactory |
| Black River Imp Pennington County | 14 | 2022 | Significant | Satisfactory |
| Brown's Valley Dam Traverse County | 14 | 1941 | Significant | Not Available |
| Bullard Creek No. 2 Goodhue County | 41 | 1977 | Significant | Not Rated |
| Cannon River (Woolen Mills) Rice County | 12 | 1865 | Significant | Fair |
| Chippewa River Pope County | 26 | 1870 | Significant | Satisfactory |
| Christiania 5 Jackson County | 16 | 1968 | Significant | Satisfactory |
| Clay-Boswell Itasca County | 50 | — | Significant | Satisfactory |
| Coon Rapids Anoka County | 35 | 1913 | Significant | Fair |
| Crissy Lake Stevens County | 12 | 1939 | Significant | Fair |
| Crooked Creek R-2 Houston County | 52 | 1966 | Significant | Satisfactory |
| Crooked Creek R-4 Houston County | 54 | 1967 | Significant | Satisfactory |
| Dillon-Syltie-Boulton Lincoln County | 54 | 1974 | Significant | Satisfactory |
| Douglas Tailings St. Louis County | 40 | 1960 | Significant | Satisfactory |
| East Park Wma Pond Marshall County | 18 | 1970 | Significant | Not Rated |
| Elm Creek Hennepin County | 22 | 2017 | Significant | Satisfactory |
| Erie Basin 1 St. Louis County | 200 | 1978 | Significant | Satisfactory |
| Erie Basin 2 St. Louis County | 250 | 1978 | Significant | Satisfactory |
| Erredge Group Detention Goodhue County | 28 | 1965 | Significant | Fair |
| Essar Steel Tailings Basin Itasca County | 200 | 2011 | Significant | Satisfactory |
| Fillmore County Road 21 Fillmore County | 31 | 1979 | Significant | Satisfactory |
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.