Big Wash

Big Wash is a gravity dam located in Beaver County, Utah, built in 1943. It carries a Low hazard potential classification.

About Big Wash

The primary purpose of Big Wash is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Doi Blm (federal).

The dam stands 24 feet tall and stretches 742 feet across, and has a maximum storage capacity of 97 acre-feet. Completed in 1943, 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 09/24/2012. That was over 13 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateUtah
CountyBeaver
Nearest CityMilford
Coordinates38.40448, -113.20759

Physical Characteristics

Dam TypeGravity
NID Height24 ft
Dam Length742 ft
Year Completed1943 (83 years old)

Storage & Hydraulics

NID Storage97 acre-ft
Max Storage97 acre-ft
Normal Storage97 acre-ft

Ownership & Safety

PurposeFlood Risk Reduction
OwnerDOI BLM
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection09/24/2012
Emergency Action PlanNot Required

Identifiers

NID IDUT00357
Federal IDUT00357
More InfoState Dam Safety Program

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