Gorge

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateWashington
CountyWhatcom
Nearest CityNewhalem
River/StreamSkagit River
Coordinates48.69740, -121.20850

Physical Characteristics

Dam TypeConcrete
NID Height300 ft
Dam Height300 ft
Dam Length670 ft
Year Completed1961 (65 years old)

Storage & Hydraulics

NID Storage9,758 acre-ft
Max Storage9,758 acre-ft
Normal Storage8,485 acre-ft
Surface Area241 acres
Drainage Area1,193 sq mi
Max Discharge145,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerCity of Seattle
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection08/17/2022
Emergency Action PlanYes

Identifiers

NID IDWA00168
Federal IDWA00168
More InfoState Dam Safety Program

Nearby Dams