Duncan Dam No 2
Key Takeaway
Duncan Dam No 2 is classified as low hazard in Washington. It was completed in 1966 and is 60 years old. Its primary use is irrigation.
Physical Details
| Dam Length | 325 ft |
| Dam Type | Earth |
| Max Storage | 150 acre-ft |
| Normal Storage | 95 acre-ft |
| Surface Area | 95 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 139 cfs |
| Year Completed | 1966 (60 years old) |
| NID ID | WA00044 |
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
MichaelHamblen
Private
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Low HazardFrequently Asked Questions
What is the hazard classification of Duncan Dam No 2?
Duncan Dam No 2 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 Duncan Dam No 2?
Duncan Dam No 2 is owned by MichaelHamblen (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Duncan Dam No 2 built?
Duncan Dam No 2 was completed in 1966, making it 60 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 Duncan Dam No 2?
Duncan Dam No 2 serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Duncan Dam No 2 last inspected?
Duncan Dam No 2 was last inspected on May 25, 2000. Inspection dates indicate when a formal review occurred, not the results of that inspection.