Separation

Separation is an earth dam located in Sweetwater County, Wyoming, built in 1927. It carries a Low hazard potential classification and has a poor condition assessment.

About Separation

The primary purpose of Separation 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 S Diamond Ranch, Llc (private). It impounds the Separation Creek.

The dam stands 13 feet tall and stretches 50 feet across, creates a reservoir covering 80 acres, has a maximum storage capacity of 759 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1927, the structure is well-established, with more than 75 years of service.

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 08/11/2023.

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Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountySweetwater
River/StreamSeparation Creek
Coordinates41.93528, -107.51111

Physical Characteristics

Dam TypeEarth
NID Height13 ft
Dam Height13 ft
Dam Length50 ft
Year Completed1927 (99 years old)

Storage & Hydraulics

NID Storage759 acre-ft
Max Storage759 acre-ft
Normal Storage592 acre-ft
Surface Area80 acres
Drainage Area0 sq mi
Max Discharge79 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerS DIAMOND RANCH, LLC
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection08/11/2023
Emergency Action PlanNot Required

Identifiers

NID IDWY00393
Federal IDWY00393
More InfoState Dam Safety Program

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