Marsh Creek 3
Marsh Creek 3 is an earth dam located in Mahnomen County, Minnesota, built in 1989. It carries a Significant hazard potential classification and has a fair condition assessment.
About Marsh Creek 3
The primary purpose of Marsh Creek 3 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 Wd Of Wild Rice (local government). It impounds the Marsh Creek-tr near Twin Valley.
The dam stands 23 feet tall and stretches 540 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 350 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1989, the structure is 37 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 08/11/2022.
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Location
| State | Minnesota |
| County | Mahnomen |
| Nearest City | Twin Valley |
| River/Stream | Marsh Creek-tr |
| Coordinates | 47.32950, -96.04011 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 20 ft |
| Dam Length | 540 ft |
| Year Completed | 1989 (37 years old) |
Storage & Hydraulics
| NID Storage | 350 acre-ft |
| Max Storage | 350 acre-ft |
| Normal Storage | 5 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 1,500 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | WD of Wild Rice |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 08/11/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01011 |
| Federal ID | MN01011 |
| More Info | State Dam Safety Program |