Willamette Falls

Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateOregon
CountyClackamas
Nearest CityOregon City, OR
River/StreamWillamette River
Coordinates45.35160, -122.61694

Physical Characteristics

Dam TypeGravity
NID Height20 ft
Dam Height20 ft
Dam Length2,950 ft
Year Completed1923 (103 years old)

Storage & Hydraulics

NID Storage17,000 acre-ft
Max Storage17,000 acre-ft
Normal Storage17,000 acre-ft
Surface Area1,532 acres
Drainage Area10,000 sq mi
Max Discharge400,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
OwnerPortland General Electric Company
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection06/22/2022
Emergency Action PlanYes

Identifiers

NID IDOR00596
Federal IDOR00596
More InfoState Dam Safety Program

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