Gunderson-marmsoler Detention is an earth dam located in Winona County, Minnesota, built in 1972. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 34 ft34 ft tall and 331 ft long, taller than 78% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Gunderson-marmsoler Detention
The primary purpose of Gunderson-marmsoler Detention is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Gundeson;marmsoler (private). It impounds the Big Trout Creek-tr near Donehower.
The dam stands 34 feet tall and stretches 331 feet across, has a maximum storage capacity of 16 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1972, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 05/09/2017.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Minnesota |
| County | Winona |
| Nearest City | Donehower |
| River/Stream | Big Trout Creek-tr |
| Coordinates | 43.96605, -91.47764 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 29 ft |
| Dam Length | 331 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 16 acre-ft |
| Max Storage | 16 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 160 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Gundeson;marmsoler |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/09/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00419 |
| Federal ID | MN00419 |
| More Info | State Dam Safety Program |