Stockpond

Stockpond is an earth dam located in Campbell County, Wyoming, built in 2007. It carries a Low hazard potential classification and has a fair condition assessment.

About Stockpond

The primary purpose of Stockpond is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Antelope Coal Mine (private). It impounds the No.15 Draw near Anetlope Coal Mine.

The dam stands 39 feet tall and stretches 1,382 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 165 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2007, the structure is relatively new.

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. An emergency action plan is in place for this dam. The most recent inspection on record was 07/12/2017.

At 39 feet, this dam is taller than 86% of dams nationwide.

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Low HazardFair ConditionEmergency Action Plan: Yes

Location

StateWyoming
CountyCampbell
Nearest CityAnetlope Coal Mine
River/StreamNo.15 Draw
Coordinates43.50000, -105.39639

Physical Characteristics

Dam TypeEarth
NID Height39 ft
Dam Height28 ft
Dam Length1,382 ft
Year Completed2007 (19 years old)

Storage & Hydraulics

NID Storage165 acre-ft
Max Storage165 acre-ft
Normal Storage71 acre-ft
Surface Area12 acres
Drainage Area1 sq mi
Max Discharge1,724 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerANTELOPE COAL MINE
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection07/12/2017
Emergency Action PlanYes

Identifiers

NID IDWY02424
Federal IDWY02424
More InfoState Dam Safety Program

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