Bentley

Bentley is an earth dam located in Natrona County, Wyoming, built in 1960. It carries a Low hazard potential classification and has a fair condition assessment.

About Bentley

The primary purpose of Bentley is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Eastgate Ranch Llc (private). It impounds the Claud Creek near Big Muddy Oil Field.

The dam stands 26 feet tall and stretches 700 feet across, creates a reservoir covering 8 acres, and has a maximum storage capacity of 104 acre-feet. Completed in 1960, 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 06/17/2020.

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Low HazardFair ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyNatrona
Nearest CityBig Muddy Oil Field
River/StreamClaud Creek
Coordinates42.82400, -106.23300

Physical Characteristics

Dam TypeEarth
NID Height26 ft
Dam Height26 ft
Dam Length700 ft
Year Completed1960 (66 years old)

Storage & Hydraulics

NID Storage104 acre-ft
Max Storage104 acre-ft
Normal Storage53 acre-ft
Surface Area8 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerEASTGATE RANCH LLC
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection06/17/2020
Emergency Action PlanNot Required

Identifiers

NID IDWY00190
Federal IDWY00190
More InfoState Dam Safety Program

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