Washakie Dike No. 2

Washakie Dike No. 2 is an earth dam located in Fremont County, Wyoming, built in 1935. It carries a Undetermined hazard potential classification and has a satisfactory condition assessment.

About Washakie Dike No. 2

The primary purpose of Washakie Dike No. 2 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bia (federal). It impounds the South Fork Little Wind River near Fort Washakie.

The dam stands 34 feet tall and stretches 585 feet across, creates a reservoir covering 330 acres, has a maximum storage capacity of 9,629 acre-feet, and collects water from a drainage area of 92 square miles. Completed in 1935, the structure is well-established, with more than 75 years of service.

Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 07/10/2019.

At 34 feet, this dam is taller than 80% of dams nationwide.

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Undetermined HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateWyoming
CountyFremont
Nearest CityFort Washakie
River/StreamSouth Fork Little Wind River
Coordinates42.97778, -109.10000

Physical Characteristics

Dam TypeEarth
NID Height34 ft
Dam Height34 ft
Dam Length585 ft
Year Completed1935 (91 years old)

Storage & Hydraulics

NID Storage9,629 acre-ft
Max Storage9,629 acre-ft
Normal Storage4,701 acre-ft
Surface Area330 acres
Drainage Area92 sq mi
Max Discharge33,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerBIA
Owner TypeFederal
Hazard ClassificationUndetermined
Condition AssessmentSatisfactory
Last Inspection07/10/2019
Emergency Action PlanYes

Identifiers

NID IDWY02903
Federal IDWY01398S002
More InfoState Dam Safety Program

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