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 776–800 of 1,122
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Groschel Pond Todd County | 15 | 1969 | Low | Fair |
| Grindstone River Pine County | 23 | 1955 | Significant | Poor |
| Griffith-Glynn Farm Pond Lyon County | 25 | 1979 | Low | Not Rated |
| Green Meadow Group Pond Norman County | 35 | 1972 | Low | Satisfactory |
| Green Lake Kandiyohi County | 9 | 1938 | Low | Fair |
| Grayling Marsh Aitkin County | 8 | — | Low | Fair |
| Graves Pond Fillmore County | 30 | 1970 | Low | Fair |
| Gravel Pit Chippewa County | 25 | 1994 | Low | Satisfactory |
| Grass Lake Cass County | 8 | 1970 | Low | Not Rated |
| Grass Lake Kandiyohi County | 13 | — | Low | Satisfactory |
| Granite Falls Chippewa County | 21 | 1911 | Low | Satisfactory |
| Grand Rapids Itasca County | 21 | 1916 | Significant | Satisfactory |
| Gorman Lake Le Sueur County | 8 | 1936 | Low | Poor |
| Goose Prairie Wma Clay County | 8 | — | Low | Not Rated |
| Goose Lake-Pembina Wma Red Lake County | 10 | — | Low | Satisfactory |
| Good Lake Clearwater County | 14 | 1992 | Low | Not Available |
| Goldmine St. Louis County | 14 | 1993 | Low | Not Rated |
| Goihl Pond Wabasha County | 30 | 1968 | Low | Not Rated |
| Glockzin Pond Todd County | 9 | 1969 | Low | Satisfactory |
| Glenwood 26 Pope County | 9 | 1964 | Low | Poor |
| Glen Herman Stabilizer Olmsted County | 26 | 1982 | Low | Fair |
| Glacial Ridge Wetland Polk County | 10 | — | Low | Not Rated |
| Gilchrist 36 Pope County | 19 | — | Low | Poor |
| Giese Wetland Saddle Grant County | 11 | 1997 | Low | Not Rated |
| Giese Wetland Grant County | 12 | 1997 | Low | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.