Seatac Airport Pond M

Washington — King County — Offstream

Location

StateWashington
CountyKing
RiverOffstream
Coordinates47.46744, -122.31300

Physical Characteristics

NID Height10 ft
Dam Height
Dam Length1,460 ft
NID Storage27 acre-ft
Max Storage27 acre-ft
Surface Area

Safety Classification

Hazard PotentialHigh
Condition AssessmentSatisfactory
EAP StatusYes
Last InspectionDecember 14, 2021
Inspection Frequency5

Dam Information

Year Completed2011
Primary PurposeFlood Risk Reduction
Dam TypeEarth
Owner TypeLocal Government
OwnerPort 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.

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