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 676–700 of 1,122
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Johnson Pool Freeborn County | 20 | 1970 | Low | Fair |
| Johnson Pond Goodhue County | 26 | 1958 | Low | Fair |
| Johnson Big Stone County | 18 | 1990 | Low | Fair |
| Joe River Watershed F Kittson County | 7 | 1969 | Low | Satisfactory |
| Jingo Lake Itasca County | 11 | 1978 | Low | Not Rated |
| Jewett Wma 2 Aitkin County | 10 | 1979 | Low | Not Rated |
| Jewett Wma 1 Aitkin County | 9 | 1979 | Low | Not Rated |
| Jennie Lake Flowage Douglas County | 12 | 1978 | Low | Not Rated |
| Jeffers Wildlife Pond Scott County | 8 | 1971 | Undetermined | Not Rated |
| Jeffers Upper Scott County | 10 | 1981 | Low | Satisfactory |
| Jeffers Fish Pond Scott County | 15 | 1970 | Undetermined | Not Rated |
| Janesville Wildlife Waseca County | 12 | 1973 | Low | Satisfactory |
| Jackson Jd42 Jackson County | 15 | 2022 | Low | Not Rated |
| Jackson Jackson County | 12 | 1913 | Low | Satisfactory |
| Island Lake Wpa Grant County | 16 | 1990 | Low | Not Rated |
| Island Lake 4 Lyon County | 41 | 2009 | Low | Not Rated |
| Island Lake 22b Lyon County | 33 | 1999 | Low | Satisfactory |
| Island Lake 13 Lyon County | 31 | 1994 | Low | Satisfactory |
| Island Lake St. Louis County | 57 | 1915 | High | Fair |
| International Falls Koochiching County | 29 | 1909 | Low | Satisfactory |
| Inland Steel Tailings St. Louis County | 44 | 1976 | High | Not Rated |
| Indian Creek Becker County | 8 | 1969 | Low | Satisfactory |
| Ina Wildlife Development Project Douglas County | 9 | 1984 | Low | Satisfactory |
| Ids Carver County | 20 | 1989 | Low | Satisfactory |
| I-94 Rest Area Washington County | 30 | 1985 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.