North Fork

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateOregon
CountyClackamas
Nearest CityEstacada, OR
River/StreamClackamas River
Coordinates45.24350, -122.27980

Physical Characteristics

Dam TypeArch
NID Height207 ft
Dam Height207 ft
Dam Length676 ft
Year Completed1958 (68 years old)

Storage & Hydraulics

NID Storage18,630 acre-ft
Normal Storage18,630 acre-ft
Surface Area350 acres
Drainage Area671 sq mi
Max Discharge150,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerPortland General Electric Company
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection09/20/2022
Emergency Action PlanYes

Identifiers

NID IDOR00550
Federal IDOR00550
More InfoState Dam Safety Program

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