Boeing Flood Control Dam

Washington — Snohomish County — Powder Mill Gulch

Location

StateWashington
CountySnohomish
RiverPowder Mill Gulch
Coordinates47.93628, -122.27746

Physical Characteristics

NID Height48 ft
Dam Height
Dam Length200 ft
NID Storage80 acre-ft
Max Storage80 acre-ft
Surface Area0 acres

Safety Classification

Hazard PotentialHigh
Condition AssessmentSatisfactory
EAP StatusYes
Last InspectionJuly 6, 2022
Inspection Frequency5

Dam Information

Year Completed1967
Primary PurposeFlood Risk Reduction
Dam TypeEarth
Owner TypePrivate
OwnerBoeing Company
Other NamePowdermill Gulch Dam

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