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 51–75 of 122
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lazarus Creek Yellow Medicine County | 67 | 2005 | Significant | Satisfactory |
| Leech Dam Cass County | 13 | 1885 | Significant | Not Available |
| Lind Greenway Itasca County | 58 | 1976 | Significant | Fair |
| Little Falls Morrison County | 30 | 1914 | Significant | Satisfactory |
| Little Stone Lake St. Louis County | 20 | — | Significant | Fair |
| Locke Lake Anoka County | 25 | 1956 | Significant | Satisfactory |
| Marsh Creek 3 Mahnomen County | 23 | 1989 | Significant | Fair |
| Mccrea 12 Marshall County | 20 | 2008 | Significant | Satisfactory |
| Miller Estate Farm Pond Lincoln County | 22 | 1975 | Significant | Satisfactory |
| Minorca Pit South St. Louis County | 30 | 2008 | Significant | Satisfactory |
| Mississippi River Lock and Dam 2 Dakota County | 42 | 1931 | Significant | Not Available |
| Mississippi River Lock and Dam 3 Goodhue County | 44 | 1938 | Significant | Not Available |
| Mississippi River Lock and Dam 5 Buffalo County | 43 | 1935 | Significant | Not Available |
| Mississippi River Lock and Dam 5a Winona County | 46 | 1936 | Significant | Not Available |
| Mississippi River Lock and Dam 7 La Crosse County | 41 | 1937 | Significant | Not Available |
| Mississippi River Locks and Dam 1 Hennepin County | 56 | 1917 | Significant | Not Available |
| Moccasin Creek Project No. 8 Norman County | 49 | 1984 | Significant | Satisfactory |
| Mountain Lake Cottonwood County | 15 | 1960 | Significant | Satisfactory |
| Mustinka River Grant County | 21 | 1940 | Significant | Satisfactory |
| Newfolden Marshall County | 23 | 2024 | Significant | Not Rated |
| Northfield Rice County | 21 | 1918 | Significant | Fair |
| North Ottawa Grant County | 18 | 2008 | Significant | Satisfactory |
| Nsp-Bottom Ash Sherburne County | 35 | 1983 | Significant | Satisfactory |
| Nspc Stage 2 Tailings St. Louis County | 70 | 1978 | Significant | Satisfactory |
| O'Brien North Itasca County | 58 | 1972 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.