Hanchett

Hanchett is an earth dam located in Albany County, Wyoming, built in 1990. It carries a Low hazard potential classification and has a poor condition assessment.

About Hanchett

The primary purpose of Hanchett is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Guide Rock, Ltd (private). It impounds the South Blue Grass Creek near Wheatland.

The dam stands 29 feet tall and stretches 475 feet across, creates a reservoir covering 94 acres, has a maximum storage capacity of 102 acre-feet, and collects water from a drainage area of 14 square miles. Completed in 1990, the structure is 36 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/15/2023.

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Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyAlbany
Nearest CityWheatland
River/StreamSouth Blue Grass Creek
Coordinates41.85778, -105.46861

Physical Characteristics

Dam TypeEarth
NID Height29 ft
Dam Height29 ft
Dam Length475 ft
Year Completed1990 (36 years old)

Storage & Hydraulics

NID Storage102 acre-ft
Max Storage102 acre-ft
Normal Storage55 acre-ft
Surface Area94 acres
Drainage Area14 sq mi
Max Discharge5,682 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerGUIDE ROCK, LTD
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection06/15/2023
Emergency Action PlanNot Required

Identifiers

NID IDWY01986
Federal IDWY01986
More InfoState Dam Safety Program

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