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 526–550 of 1,122
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Maas Detention Rice County | 34 | 1993 | Low | Satisfactory |
| Lyon County Road 13 Lyon County | 35 | 1996 | Low | Not Rated |
| Lyon Cd 14 Lyon County | 14 | — | Low | Not Rated |
| Lynd 8 Lyon County | 27 | 2012 | Low | Satisfactory |
| Lynd 30 Lyon County | 18 | — | Low | Not Rated |
| Lynd 23 Lyon County | 30 | 1992 | Low | Fair |
| Lynd 16 Lyon County | 19 | 2002 | Low | Satisfactory |
| Lybeck Lake Pope County | 14 | 1957 | Low | Poor |
| Luverne West Rock County | 15 | 1997 | Low | Not Rated |
| Luverne North Rock County | 21 | 1997 | Low | Satisfactory |
| Lundsten Lake Carver County | 20 | 1966 | Low | Satisfactory |
| Lundquist Dam Kanabec County | 9 | 1990 | Low | Not Rated |
| Lucille Lake Cass County | 10 | 1989 | Low | Not Rated |
| Lower Red Lake Dam Clearwater County | 17 | 1931 | Low | Not Available |
| Lost River Pool Marshall County | 14 | 1988 | Low | Fair |
| Lost Marsh Wma Blue Earth County | 11 | 1990 | Low | Not Rated |
| Lory Lake Structure 1 Isanti County | 16 | 1962 | Low | Not Rated |
| Loon Lake 16 Cass County | 10 | 1978 | Low | Poor |
| Loon Lake Cass County | 7 | 1969 | Low | Not Rated |
| Loon Lake Jackson County | 8 | 1935 | Low | Satisfactory |
| Long Tom Lake Big Stone County | 15 | 1967 | Low | Satisfactory |
| Long Lake Becker County | 9 | 1936 | Low | Satisfactory |
| Long Lake Hubbard County | 25 | 1949 | Low | Satisfactory |
| Long Lake Douglas County | 8 | 1938 | Low | Satisfactory |
| Long Lake Cottonwood County | 10 | 2017 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.