Kelly's Slough Lower Pool 1 Dam
Key Takeaway
Kelly's Slough Lower Pool 1 Dam is classified as low hazard in North Dakota. It was completed in 1937 and is 89 years old.
Physical Details
| Dam Height | 10 ft (taller than 20% in ND) |
| Dam Length | 1,090 ft |
| Dam Type | Earth |
| Max Storage | 2.8K acre-ft |
| Normal Storage | 728 acre-ft |
| Surface Area | 360 acres |
| Max Discharge | 883 cfs |
| Year Completed | 1937 (89 years old) |
| Year Modified | 1991 |
| NID ID | ND00341 |
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
US FISH AND WILDLIFE SERVICE
Federal Government
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What is the hazard classification of Kelly's Slough Lower Pool 1 Dam?
Kelly's Slough Lower Pool 1 Dam 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 Kelly's Slough Lower Pool 1 Dam?
Kelly's Slough Lower Pool 1 Dam is owned by US FISH AND WILDLIFE SERVICE (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Kelly's Slough Lower Pool 1 Dam built?
Kelly's Slough Lower Pool 1 Dam was completed in 1937, making it 89 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
How tall is Kelly's Slough Lower Pool 1 Dam?
Kelly's Slough Lower Pool 1 Dam 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 Kelly's Slough Lower Pool 1 Dam last inspected?
Kelly's Slough Lower Pool 1 Dam was last inspected on August 22, 2013. Inspection dates indicate when a formal review occurred, not the results of that inspection.