Walchli Reservoir

Walchli Reservoir is an other dam located in Umatilla County, Oregon, built in 1980. It carries a Low hazard potential classification.

About Walchli Reservoir

The primary purpose of Walchli Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Starvation Farms, Llc (private). It impounds the Columbia River, Trib To near Hermiston.

The dam stands 32 feet tall and stretches 420 feet across, creates a reservoir covering 24 acres, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1980, the structure is 46 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 04/02/2015. That was over 11 years ago.

At 32 feet, this dam is taller than 76% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOregon
CountyUmatilla
Nearest CityHermiston
River/StreamColumbia River, Trib To
Coordinates45.86090, -119.18660

Physical Characteristics

Dam TypeOther
NID Height32 ft
Dam Height30 ft
Dam Length420 ft
Year Completed1980 (46 years old)

Storage & Hydraulics

NID Storage300 acre-ft
Max Storage300 acre-ft
Normal Storage182 acre-ft
Surface Area24 acres
Drainage Area0 sq mi
Max Discharge500 cfs

Ownership & Safety

PurposeIrrigation
OwnerSTARVATION FARMS, LLC
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection04/02/2015
Emergency Action PlanNot Required

Identifiers

NID IDOR00630
Federal IDOR00630
More InfoState Dam Safety Program

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