Mcfarland No. 3

Mcfarland No. 3 is an earth dam located in Natrona County, Wyoming, built in 1911. It carries a Significant hazard potential classification and has a poor condition assessment.

About Mcfarland No. 3

The primary purpose of Mcfarland No. 3 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bob Ingram (private). It impounds the East Fork Webb Creek near Hwy 220.

The dam stands 21 feet tall and stretches 463 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 20 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1911, the structure is over a century old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 06/04/2024.

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Significant HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyNatrona
Nearest CityHwy 220
River/StreamEast Fork Webb Creek
Coordinates42.80000, -106.42700

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height21 ft
Dam Length463 ft
Year Completed1911 (115 years old)

Storage & Hydraulics

NID Storage20 acre-ft
Max Storage20 acre-ft
Normal Storage10 acre-ft
Surface Area2 acres
Drainage Area1 sq mi
Max Discharge1,870 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerBOB INGRAM
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentPoor
Last Inspection06/04/2024
Emergency Action PlanNot Required

Identifiers

NID IDWY01758
Federal IDWY01758
More InfoState Dam Safety Program

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