Lake Forest Park Reservoir

Washington — King County — Tr-Lyon Creek-Offstream

Location

StateWashington
CountyKing
RiverTr-Lyon Creek-Offstream
Coordinates47.77034, -122.27861

Physical Characteristics

NID Height30 ft
Dam Height
Dam Length2,320 ft
NID Storage206 acre-ft
Max Storage206 acre-ft
Surface Area9 acres

Safety Classification

Hazard PotentialHigh
Condition AssessmentSatisfactory
EAP StatusYes
Last InspectionSeptember 30, 2020
Inspection Frequency5

Dam Information

Year Completed1962
Primary PurposeWater Supply
Dam TypeEarth
Owner TypeLocal Government
OwnerSeattle Public Utilities

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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