Manston Slough
Key Takeaway
Manston Slough is classified as low hazard in Minnesota. It was completed in 2015 and is 11 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 10 ft (taller than 30.9% in MN) |
| Dam Length | 38,000 ft |
| Dam Type | Earth |
| Max Storage | 21.4K acre-ft |
| Normal Storage | 588 acre-ft |
| Surface Area | 6,043 acres |
| Drainage Area | 28 sq mi |
| Year Completed | 2015 (11 years old) |
| NID ID | MN01581 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
WD of Buffalo-Red River
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Manston Slough?
Manston Slough is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Manston Slough?
Manston Slough is owned by WD of Buffalo-Red River (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Manston Slough built?
Manston Slough was completed in 2015, making it 11 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Manston Slough?
Manston Slough serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Manston Slough?
Manston Slough has a dam height of 10 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Manston Slough last inspected?
Manston Slough was last inspected on July 9, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.