Perkins & Kinney

Perkins & Kinney is an earth dam located in Park County, Wyoming, built in 1923. It carries a Low hazard potential classification and has a poor condition assessment.

About Perkins & Kinney

The primary purpose of Perkins & Kinney is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Hoodoo Land Holdings (private). It impounds the South Fork Sage Creek near Byron.

The dam stands 35 feet tall and stretches 250 feet across, creates a reservoir covering 57 acres, and has a maximum storage capacity of 1,556 acre-feet. Completed in 1923, the structure is over a century 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 08/15/2024.

At 35 feet, this dam is taller than 82% of dams nationwide.

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Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyPark
Nearest CityByron
River/StreamSouth Fork Sage Creek
Coordinates44.28361, -109.10778

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height35 ft
Dam Length250 ft
Year Completed1923 (103 years old)

Storage & Hydraulics

NID Storage1,556 acre-ft
Max Storage1,556 acre-ft
Normal Storage1,259 acre-ft
Surface Area57 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerHOODOO LAND HOLDINGS
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection08/15/2024
Emergency Action PlanNot Required

Identifiers

NID IDWY01129
Federal IDWY01129
More InfoState Dam Safety Program

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