Weaver Reservoir

Weaver Reservoir is an earth dam located in Douglas County, Oregon, built in 1970. It carries a Low hazard potential classification.

About Weaver Reservoir

The primary purpose of Weaver Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Kay,thomas W. & Zelma F. (private). It impounds the Yoncalla Creek (offstream) near Yoncalla.

The dam stands 22 feet tall and stretches 500 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 55 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1970, 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 10/17/2017.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOregon
CountyDouglas
Nearest CityYoncalla
River/StreamYoncalla Creek (offstream)
Coordinates43.54182, -123.30066

Physical Characteristics

Dam TypeEarth
NID Height22 ft
Dam Height22 ft
Dam Length500 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage55 acre-ft
Max Storage55 acre-ft
Normal Storage55 acre-ft
Surface Area9 acres
Drainage Area0 sq mi
Max Discharge450 cfs

Ownership & Safety

PurposeIrrigation
OwnerKAY,THOMAS W. & ZELMA F.
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection10/17/2017
Emergency Action PlanNot Required

Identifiers

NID IDOR00447
Federal IDOR00447
More InfoState Dam Safety Program

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