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 151–175 of 203
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Ruen Pond Fillmore County | 29 | 1970 | Low | Fair |
| Sand Hill Lake Polk County | 8 | 1956 | Low | Fair |
| Sartell Benton County | 46 | 1964 | High | Fair |
| Sauk River Melrose Stearns County | 20 | 1873 | Significant | Fair |
| Schuester Pond Washington County | 22 | 1967 | Low | Fair |
| Schweiger Pond St. Louis County | 14 | 1930 | Low | Fair |
| Shakopee Lake Chippewa County | 18 | 1976 | Low | Fair |
| Sherburne Nat'L Pool 28 Sherburne County | 7 | 1979 | Low | Fair |
| Sherman Mine Wastewater St. Louis County | 20 | 1953 | Low | Fair |
| Simonson Detention Olmsted County | 29 | 1967 | Low | Fair |
| Sleepy Eye Control Brown County | 8 | 1949 | Low | Fair |
| Smith Washington County | 19 | — | Low | Fair |
| Snyder Farm Pond Pipestone County | 28 | 1978 | Low | Fair |
| Sodus 23 W Lyon County | 17 | — | Low | Fair |
| Sodus 24 Lyon County | 26 | 1992 | Low | Fair |
| South Branch Wild Rice Lower Becker County | 21 | 1981 | Low | Fair |
| South Fork Pine River Cass County | 8 | 1979 | Low | Fair |
| South Rockwell Lake Big Stone County | 12 | — | Low | Fair |
| South Stanchfield Lake Isanti County | 8 | 1939 | Low | Fair |
| Speltz Detention No. 2 Winona County | 31 | 1961 | Low | Fair |
| Spike Lake Clearwater County | 8 | 1938 | Low | Fair |
| Splitrock Lake Pipestone County | 35 | 1937 | Significant | Fair |
| Springdale 19 Redwood County | 26 | 2021 | Low | Fair |
| Springdale 21 Redwood County | 23 | 2015 | Significant | Fair |
| Springwater 36 Rock County | 19 | — | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.