Rose Reservoir

Rose Reservoir is an earth dam located in Clackamas County, Oregon, built in 1974. It carries a Significant hazard potential classification.

About Rose Reservoir

The primary purpose of Rose Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bill Rose (private). It impounds the Trib To Rock Creek near Yoder.

The dam stands 40 feet tall and stretches 450 feet across, creates a reservoir covering 29 acres, has a maximum storage capacity of 350 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1974, the structure is well into its service life at over 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 12/18/2017.

At 40 feet, this dam is taller than 87% of dams nationwide.

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Significant HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOregon
CountyClackamas
Nearest CityYoder
River/StreamTrib To Rock Creek
Coordinates45.13224, -122.70682

Physical Characteristics

Dam TypeEarth
NID Height40 ft
Dam Height40 ft
Dam Length450 ft
Year Completed1974 (52 years old)

Storage & Hydraulics

NID Storage550 acre-ft
Max Storage350 acre-ft
Normal Storage550 acre-ft
Surface Area29 acres
Drainage Area1 sq mi
Max Discharge303 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerBILL ROSE
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Last Inspection12/18/2017
Emergency Action PlanNot Required

Identifiers

NID IDOR00708
Federal IDOR00708
More InfoState Dam Safety Program

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