Wynoochee

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateWashington
CountyGrays Harbor
Nearest CityMontesano
River/StreamWynoochee River
Coordinates47.38513, -123.60498

Physical Characteristics

Dam TypeGravity
NID Height175 ft
Dam Height175 ft
Dam Length1,700 ft
Year Completed1972 (54 years old)

Storage & Hydraulics

NID Storage76,000 acre-ft
Max Storage76,000 acre-ft
Normal Storage69,405 acre-ft
Surface Area1,126 acres
Drainage Area41 sq mi
Max Discharge52,500 cfs
Spillway TypeControlled

Ownership & Safety

PurposeWater Supply
OwnerCity of Aberdeen
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection05/16/2022
Emergency Action PlanYes

Identifiers

NID IDWA00302
Federal IDWA00302
More InfoState Dam Safety Program

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