Manston Slough
Manston Slough is an earth dam located in Wilkin County, Minnesota, built in 2015. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Manston Slough
The primary purpose of Manston Slough 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 Buffalo-red River (local government). It impounds the Buffalo R So Branch-tr near Georgetown.
The dam stands 10 feet tall and stretches 38,000 feet across, creates a reservoir covering 6,043 acres, has a maximum storage capacity of 21,414 acre-feet, and collects water from a drainage area of 28 square miles. Completed in 2015, the structure is relatively new.
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 07/09/2015. That was over 10 years ago.
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Location
| State | Minnesota |
| County | Wilkin |
| Nearest City | Georgetown |
| River/Stream | Buffalo R So Branch-tr |
| Coordinates | 46.50007, -96.51941 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 38,000 ft |
| Year Completed | 2015 (11 years old) |
Storage & Hydraulics
| NID Storage | 21,414 acre-ft |
| Max Storage | 21,414 acre-ft |
| Normal Storage | 588 acre-ft |
| Surface Area | 6,043 acres |
| Drainage Area | 28 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | WD of Buffalo-Red River |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/09/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01581 |
| Federal ID | MN01581 |
| More Info | State Dam Safety Program |