Long Lake

Washington, Stevens County, Spokane River

Location

StateWashington
CountyStevens
RiverSpokane River
Coordinates47.83710, -117.83870

Physical Characteristics

NID Height225 ft
Dam Height213 ft
Dam Length593 ft
NID Storage105,080 acre-ft
Max Storage-
Surface Area5,060 acres

Safety Classification

Hazard PotentialHigh
Condition AssessmentFair
EAP StatusYes
Last InspectionAugust 16, 2022
Inspection Frequency1

Dam Information

Year Completed1915
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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