Broken Jaw Stock

Broken Jaw Stock is an earth dam located in Campbell County, Wyoming, built in 1955. It carries a Low hazard potential classification and has a poor condition assessment.

About Broken Jaw Stock

The primary purpose of Broken Jaw Stock 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 Floyd Land & Livestock, Inc. (private). It impounds the Bull Creek near Arvada.

The dam stands 40 feet tall and stretches 280 feet across, creates a reservoir covering 3 acres, and has a maximum storage capacity of 50 acre-feet. Completed in 1955, 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 07/11/2023.

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

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Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyCampbell
Nearest CityArvada
River/StreamBull Creek
Coordinates44.45028, -105.95417

Physical Characteristics

Dam TypeEarth
NID Height40 ft
Dam Height40 ft
Dam Length280 ft
Year Completed1955 (71 years old)

Storage & Hydraulics

NID Storage50 acre-ft
Max Storage50 acre-ft
Normal Storage32 acre-ft
Surface Area3 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerFLOYD LAND & LIVESTOCK, INC.
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection07/11/2023
Emergency Action PlanNot Required

Identifiers

NID IDWY00489
Federal IDWY00489
More InfoState Dam Safety Program

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