Rock Quarry Canyon Dam

Rock Quarry Canyon Dam is an earth dam located in Harney County, Oregon, built in 1948. It carries a Low hazard potential classification.

About Rock Quarry Canyon Dam

The primary purpose of Rock Quarry Canyon Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Ls&d Logging, C/o Lee Wilson (private). It impounds the Rock Quarry Canyon near No Downstream Settlement.

The dam stands 29 feet tall and stretches 1,100 feet across, creates a reservoir covering 45 acres, has a maximum storage capacity of 560 acre-feet, and collects water from a drainage area of 20 square miles. Completed in 1948, the structure is well-established, with more than 75 years of service.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 10/29/2020.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOregon
CountyHarney
Nearest CityNo Downstream Settlement
River/StreamRock Quarry Canyon
Coordinates43.55062, -119.46015

Physical Characteristics

Dam TypeEarth
NID Height29 ft
Dam Height27 ft
Dam Length1,100 ft
Year Completed1948 (78 years old)

Storage & Hydraulics

NID Storage560 acre-ft
Max Storage560 acre-ft
Normal Storage439 acre-ft
Surface Area45 acres
Drainage Area20 sq mi
Max Discharge1,249 cfs

Ownership & Safety

PurposeIrrigation
OwnerLS&D LOGGING, C/O LEE WILSON
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection10/29/2020
Emergency Action PlanNot Required

Identifiers

NID IDOR00170
Federal IDOR00170
More InfoState Dam Safety Program

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