Quadrant Lake No 1
Key Takeaway
Quadrant Lake No 1 is classified as low hazard in Washington. It was completed in 1994 and is 32 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Length | 180 ft |
| Dam Type | Gravity |
| Max Storage | 113 acre-ft |
| Normal Storage | 57 acre-ft |
| Surface Area | 57 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 480 cfs |
| Year Completed | 1994 (32 years old) |
| NID ID | WA01740 |
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
Federal Way Nat' Lit League
Private
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Low HazardFrequently Asked Questions
What is the hazard classification of Quadrant Lake No 1?
Quadrant Lake No 1 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 Quadrant Lake No 1?
Quadrant Lake No 1 is owned by Federal Way Nat' Lit League (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Quadrant Lake No 1 built?
Quadrant Lake No 1 was completed in 1994, making it 32 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 Quadrant Lake No 1?
Quadrant Lake No 1 serves the following purposes: Flood Risk Reduction, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.