Upper Falls Intake Dam

Washington — Spokane County — Spokane River

Location

StateWashington
CountySpokane
RiverSpokane River
Coordinates47.66110, -117.42080

Physical Characteristics

NID Height20 ft
Dam Height18 ft
Dam Length106 ft
NID Storage800 acre-ft
Max Storage800 acre-ft
Surface Area150 acres

Safety Classification

Hazard PotentialLow
Condition AssessmentSatisfactory
EAP StatusNot Required
Last InspectionAugust 16, 2022
Inspection Frequency3

Dam Information

Year Completed1922
Primary PurposeHydroelectric
Dam TypeGravity
Owner TypePrivate
OwnerAvista Corporation

Location Map

About This Dam Record

Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.

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