Ethel #3

Ethel #3 is an earth dam located in Sheridan County, Wyoming, built in 2008. It carries a Low hazard potential classification and has a poor condition assessment.

About Ethel #3

The primary purpose of Ethel #3 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Ggm, Llc (private). It impounds the Middle Fork Carney Draw near Local Road.

The dam stands 28 feet tall and stretches 500 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 78 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2008, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/15/2023.

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Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountySheridan
Nearest CityLocal Road
River/StreamMiddle Fork Carney Draw
Coordinates44.57611, -106.12528

Physical Characteristics

Dam TypeEarth
NID Height28 ft
Dam Height27 ft
Dam Length500 ft
Year Completed2008 (18 years old)

Storage & Hydraulics

NID Storage78 acre-ft
Max Storage78 acre-ft
Normal Storage61 acre-ft
Surface Area7 acres
Drainage Area1 sq mi
Max Discharge4,444 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerGGM, LLC
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection06/15/2023
Emergency Action PlanNot Required

Identifiers

NID IDWY02441
Federal IDWY02441
More InfoState Dam Safety Program

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