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 26–43 of 43
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Island Lake St. Louis County | 57 | 1915 | High | Fair |
| Inland Steel Tailings St. Louis County | 44 | 1976 | High | Not Rated |
| Hibbing Taconite Tailings Basin St. Louis County | 100 | — | High | Not Rated |
| Hibbing Taconite Reclaim Pond St. Louis County | 100 | — | High | Not Rated |
| Hartley Pond St. Louis County | 15 | 1975 | High | Fair |
| Fond Du Lac St. Louis County | 80 | 1924 | High | Satisfactory |
| Fish Lake St. Louis County | 25 | 1911 | High | Satisfactory |
| Fargo-Moorhead Diversion Clay County | 54 | — | High | Not Rated |
| Eveleth Taconite Tailings St. Louis County | 50 | 1978 | High | Not Rated |
| Elk River Sherburne County | 23 | 1916 | High | Not Rated |
| Crooked Creek R-3 Houston County | 60 | 1968 | High | Not Rated |
| Canby R-6 Yellow Medicine County | 66 | 1981 | High | Fair |
| Canby R-4a Yellow Medicine County | 46 | 1982 | High | Satisfactory |
| Canby R-1 Yellow Medicine County | 62 | 1985 | High | Satisfactory |
| Brainerd Crow Wing County | 21 | 1950 | High | Satisfactory |
| Belle Creek R-4 Goodhue County | 56 | 1977 | High | Not Rated |
| Belle Creek R-2 Goodhue County | 55 | 1983 | High | Satisfactory |
| Battle Creek Ramsey County | 30 | 1982 | High | Not Rated |
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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.