Rainbow Lake Dam

Columbia County, Washington

River/Stream: Tucannon River-Offstream

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type
Gravity
Height
14 ft
Dam Length
1,700 ft
Reservoir Storage
70 acre-ft
Year Completed
1955
Primary Purpose
Recreation
Owner Type
State
Max Discharge

Condition Assessment

Not RatedLast inspected: 1998-05-15

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

Condition Assessment: Not Rated — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
WA00319
State
Washington (WA)
Coordinates
46.31470, -117.66075
Age
71 years

Nearby Dams

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.