Boyken No. 2

Boyken No. 2 is an earth dam located in Campbell County, Wyoming, built in 1966. It carries a Low hazard potential classification and has a fair condition assessment.

About Boyken No. 2

The primary purpose of Boyken No. 2 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 Kingsbury Land Inc. (private). It impounds the Upper Draw near Arvada.

The dam stands 33 feet tall and stretches 425 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 57 acre-feet. Completed in 1966, 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 05/18/2022.

At 33 feet, this dam is taller than 78% of dams nationwide.

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Low HazardFair ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyCampbell
Nearest CityArvada
River/StreamUpper Draw
Coordinates44.26930, -105.78740

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height27 ft
Dam Length425 ft
Year Completed1966 (60 years old)

Storage & Hydraulics

NID Storage57 acre-ft
Max Storage57 acre-ft
Normal Storage30 acre-ft
Surface Area4 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerKINGSBURY LAND INC.
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection05/18/2022
Emergency Action PlanNot Required

Identifiers

NID IDWY00687
Federal IDWY00687
More InfoState Dam Safety Program

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