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 751–775 of 930
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Sherburne Nat'L Pool 7b Sherburne County | 7 | 1979 | Low | Not Rated |
| Sherman Group Tailings St. Louis County | 48 | 1970 | Low | Satisfactory |
| Sherman Mine Wastewater St. Louis County | 20 | 1953 | Low | Fair |
| Shogren Itasca County | 12 | 1986 | Low | Not Rated |
| Sibley 34 Sibley County | 14 | 1965 | Low | Poor |
| Silver Lake Hennepin County | 11 | 1987 | Low | Satisfactory |
| Simonson Detention Olmsted County | 29 | 1967 | Low | Fair |
| Six Mile Creek Cass County | 20 | 1975 | Low | Satisfactory |
| Skunk Creek Dam St. Louis County | 39 | 1922 | Low | Satisfactory |
| Sleepy Eye Control Brown County | 8 | 1949 | Low | Fair |
| Smith Washington County | 19 | — | Low | Fair |
| Smith Lake St. Louis County | 9 | 1939 | Low | Satisfactory |
| Snelling Lake Hennepin County | 15 | 1965 | Low | Satisfactory |
| Snyder Farm Pond Pipestone County | 28 | 1978 | Low | Fair |
| Sodus 10 Lyon County | 20 | 1990 | Low | Satisfactory |
| Sodus 17 Lyon County | 26 | 1974 | Low | Not Rated |
| Sodus 23 E Lyon County | 20 | 1992 | Low | Satisfactory |
| Sodus 23 W Lyon County | 17 | — | Low | Fair |
| Sodus 24 Lyon County | 26 | 1992 | Low | Fair |
| Sodus 25 Lyon County | 35 | 1988 | Low | Satisfactory |
| Sodus 26 Lyon County | 27 | 1992 | Low | Poor |
| Sodus 28 Lyon County | 22 | 1991 | Low | Satisfactory |
| Sodus 4 N Lyon County | 24 | 1991 | Low | Poor |
| Sodus 4 S Lyon County | 33 | 1991 | Low | Poor |
| Sodus 5 Lyon County | 21 | 2009 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.