Boundary

Washington, Pend Oreille County, Pend Oreille River

Location

StateWashington
CountyPend Oreille
RiverPend Oreille River
Coordinates48.98700, -117.34820

Physical Characteristics

NID Height360 ft
Dam Height340 ft
Dam Length740 ft
NID Storage95,000 acre-ft
Max Storage95,000 acre-ft
Surface Area1,668 acres

Safety Classification

Hazard PotentialHigh
Condition AssessmentFair
EAP StatusYes
Last InspectionMay 24, 2022
Inspection Frequency1

Dam Information

Year Completed1967
Primary PurposeHydroelectric
Dam TypeConcrete
Owner TypeLocal Government
OwnerCity of Seattle

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.

Back to All Dams More Dams in Washington