Oregon End Dam

Oregon End Dam is an earth dam located in Harney County, Oregon, built in 1955. It carries a Low hazard potential classification.

About Oregon End Dam

The primary purpose of Oregon End Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Jim And Helen Mcdonald (private). It impounds the Rincon Creek near No Downstream Settlement.

The dam stands 16 feet tall and stretches 417 feet across, creates a reservoir covering 42 acres, has a maximum storage capacity of 250 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1955, the structure is well into its service life at over 50 years old.

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 12/18/2018.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOregon
CountyHarney
Nearest CityNo Downstream Settlement
River/StreamRincon Creek
Coordinates42.05027, -118.80171

Physical Characteristics

Dam TypeEarth
NID Height16 ft
Dam Height16 ft
Dam Length417 ft
Year Completed1955 (71 years old)

Storage & Hydraulics

NID Storage250 acre-ft
Max Storage250 acre-ft
Normal Storage205 acre-ft
Surface Area42 acres
Drainage Area8 sq mi
Max Discharge452 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerJIM AND HELEN MCDONALD
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection12/18/2018
Emergency Action PlanNot Required

Identifiers

NID IDOR00285
Federal IDOR00285
More InfoState Dam Safety Program

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