River Mill

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateOregon
CountyClackamas
Nearest CityCarver, OR
River/StreamClackamas River
Coordinates45.29920, -122.35060

Physical Characteristics

Dam TypeButtress
NID Height85 ft
Dam Height85 ft
Dam Length936 ft
Year Completed1911 (115 years old)

Storage & Hydraulics

NID Storage2,300 acre-ft
Normal Storage2,300 acre-ft
Surface Area150 acres
Drainage Area671 sq mi
Max Discharge150,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

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

Identifiers

NID IDOR00552
Federal IDOR00552
More InfoState Dam Safety Program

Nearby Dams