Square Lake Dam

Chelan County, Washington (near Leavenworth)

River/Stream: Prospect Creek

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Rockfill
Height
7 ft
Dam Length
104 ft
Reservoir Storage
913 acre-ft
Year Completed
1938
Primary Purpose
Irrigation
Owner Type
Public Utility
Max Discharge
—

Condition Assessment

PoorLast inspected: 2018-08-13

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
WA00224
State
Washington (WA)
Coordinates
47.64671, -121.11639
Age
88 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.