Lily Lake Dam

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateWashington
CountyChelan
Nearest CityMalaga
River/StreamTr-Stemilt Creek to Columbia R
Coordinates47.29605, -120.30819

Physical Characteristics

Dam TypeEarth
NID Height14 ft
Dam Length500 ft
Year Completed1892 (134 years old)

Storage & Hydraulics

NID Storage420 acre-ft
Max Storage420 acre-ft
Normal Storage350 acre-ft
Surface Area16 acres
Drainage Area0 sq mi
Max Discharge47 cfs

Ownership & Safety

PurposeIrrigation
OwnerStemilt Irrigation District
Owner TypePublic Utility
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection05/18/2021
Emergency Action PlanYes

Identifiers

NID IDWA00231
Federal IDWA00231
More InfoState Dam Safety Program

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