Marshall Lake
Marshall Lake is an earth dam located in Becker County, Minnesota, built in 1972. It carries a Low hazard potential classification and has a fair condition assessment.
About Marshall Lake
The primary purpose of Marshall Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by County Of Becker (local government). It impounds the Buffalo River-tr near Audubon.
The dam stands 15 feet tall and stretches 97 feet across, creates a reservoir covering 160 acres, has a maximum storage capacity of 2,287 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 08/30/2023.
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Location
| State | Minnesota |
| County | Becker |
| Nearest City | Audubon |
| River/Stream | Buffalo River-tr |
| Coordinates | 46.83431, -96.03151 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 8 ft |
| Dam Length | 97 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 2,287 acre-ft |
| Max Storage | 2,287 acre-ft |
| Normal Storage | 2,250 acre-ft |
| Surface Area | 160 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 450 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | County of Becker |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/30/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00144 |
| Federal ID | MN00144 |
| More Info | State Dam Safety Program |