Pexton No. 1

Pexton No. 1 is an earth dam located in Converse County, Wyoming, built in 1963. It carries a Low hazard potential classification and has a fair condition assessment.

About Pexton No. 1

The primary purpose of Pexton No. 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Wagonhound Land & Livestock, Llc (private). It impounds the Reid Creek near Guernsey.

The dam stands 40 feet tall and stretches 590 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 177 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1963, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 09/09/2021.

At 40 feet, this dam is taller than 87% of dams nationwide.

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Low HazardFair ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyConverse
Nearest CityGuernsey
River/StreamReid Creek
Coordinates42.39300, -105.49730

Physical Characteristics

Dam TypeEarth
NID Height40 ft
Dam Height38 ft
Dam Length590 ft
Year Completed1963 (63 years old)

Storage & Hydraulics

NID Storage177 acre-ft
Max Storage177 acre-ft
Normal Storage112 acre-ft
Surface Area12 acres
Drainage Area5 sq mi
Max Discharge804 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerWAGONHOUND LAND & LIVESTOCK, LLC
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection09/09/2021
Emergency Action PlanNot Required

Identifiers

NID IDWY00312
Federal IDWY00312
More InfoState Dam Safety Program

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