Twin Lakes

Ferry County, Washington (near Inchelium)

River/Stream: Stranger Creek

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
25 ft
Dam Length
300 ft
Reservoir Storage
59,985 acre-ft
Year Completed
1931
Primary Purpose
Irrigation
Owner Type
Federal
Max Discharge
2,390 cfs

Condition Assessment

PoorLast inspected: 2020-07-28

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

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

Location

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Quick Stats

NID ID
WA00277
State
Washington (WA)
Coordinates
48.27366, -118.37480
Age
95 years

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.