Dam 87-Main (Upper Souris Nwr)
Key Takeaway
Dam 87-Main (Upper Souris Nwr) is classified as low hazard in North Dakota. It was completed in 1936 and is 90 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 16 ft (taller than 52.7% in ND) |
| Dam Length | 1,800 ft |
| Dam Type | Earth |
| Max Storage | 1.2K acre-ft |
| Normal Storage | 1.2K acre-ft |
| Surface Area | 288 acres |
| Drainage Area | 9,200 sq mi |
| Year Completed | 1936 (90 years old) |
| NID ID | ND00330 |
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
USFWS
Federal Government
Nearby Dams
Upper Souris #87a Dam
Ward, ND
Low Hazard 15 ftLake Darling Dam
Ward, ND
High Hazard 39 ftUpper Souris #96 Dam
Ward, ND
Low Hazard 18 ftBurlington Dam 2
Ward, ND
Low Hazard 24 ftScophammer Dam 1
Renville, ND
Low Hazard 20 ftBurlington Dam 3
Ward, ND
Low Hazard 13 ftNesheim Dam
Ward, ND
Low Hazard 24 ftFrequently Asked Questions
What is the hazard classification of Dam 87-Main (Upper Souris Nwr)?
Dam 87-Main (Upper Souris Nwr) 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 Dam 87-Main (Upper Souris Nwr)?
Dam 87-Main (Upper Souris Nwr) is owned by USFWS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dam 87-Main (Upper Souris Nwr) built?
Dam 87-Main (Upper Souris Nwr) was completed in 1936, making it 90 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 Dam 87-Main (Upper Souris Nwr)?
Dam 87-Main (Upper Souris Nwr) serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Dam 87-Main (Upper Souris Nwr)?
Dam 87-Main (Upper Souris Nwr) has a dam height of 16 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 Dam 87-Main (Upper Souris Nwr) last inspected?
Dam 87-Main (Upper Souris Nwr) was last inspected on August 5, 2009. Inspection dates indicate when a formal review occurred, not the results of that inspection.