Lily Lake Dam

Washington — Chelan County — Tr-Stemilt Creek to Columbia R

Location

StateWashington
CountyChelan
RiverTr-Stemilt Creek to Columbia R
Coordinates47.29605, -120.30819

Physical Characteristics

NID Height14 ft
Dam Height
Dam Length500 ft
NID Storage420 acre-ft
Max Storage420 acre-ft
Surface Area16 acres

Safety Classification

Hazard PotentialHigh
Condition AssessmentSatisfactory
EAP StatusYes
Last InspectionMay 18, 2021
Inspection Frequency5

Dam Information

Year Completed1892
Primary PurposeIrrigation
Dam TypeEarth
Owner TypePublic Utility
OwnerStemilt Irrigation District

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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