Pat

Pat is an earth dam located in Johnson County, Wyoming, built in 1958. It carries a Low hazard potential classification and has a poor condition assessment.

About Pat

The primary purpose of Pat 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 Lazy A Ranch, Limited Partnership (private). It impounds the Caple Draw.

The dam stands 36 feet tall and stretches 220 feet across, creates a reservoir covering 9 acres, and has a storage capacity of 65 acre-feet. Completed in 1958, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/23/2021.

At 36 feet, this dam is taller than 83% of dams nationwide.

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Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyJohnson
River/StreamCaple Draw
Coordinates44.50110, -106.45260

Physical Characteristics

Dam TypeEarth
NID Height36 ft
Dam Height36 ft
Dam Length220 ft
Year Completed1958 (68 years old)

Storage & Hydraulics

NID Storage65 acre-ft
Normal Storage65 acre-ft
Surface Area9 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerLAZY A RANCH, LIMITED PARTNERSHIP
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection06/23/2021
Emergency Action PlanNot Required

Identifiers

NID IDWY01797
Federal IDWY01797
More InfoState Dam Safety Program

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