Southwest Genesee Street Detention Dam

King County, Washington (near Within Seattle City Limits)

River/Stream: Longfellow Creek

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
27 ft
Dam Length
230 ft
Reservoir Storage
52 acre-ft
Year Completed
1974
Primary Purpose
Flood Risk Reduction
Owner Type
Public Utility
Max Discharge
240 cfs

Condition Assessment

FairLast inspected: 2020-09-09

Hazard Classification: High — This describes the potential consequences of dam failure, not the likelihood of failure.

Condition Assessment: Fair — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
WA00380
State
Washington (WA)
Coordinates
47.56488, -122.36751
Age
52 years

Nearby Dams

External Resources

Data sourced from the National Inventory of Dams (NID). Information may not reflect the most current status of this dam. Hazard classification reflects potential consequences of failure, not the likelihood of failure or the current condition.