Snafu

Snafu is an earth dam located in Park County, Wyoming, built in 1967. It carries a Low hazard potential classification and has a poor condition assessment.

About Snafu

Snafu is a dam in Park, Wyoming. The dam is owned by Usdi Blm (federal). It impounds the Big Sand Coulee Creek near Belfry, Montana.

The dam stands 40 feet tall and stretches 349 feet across, and has a maximum storage capacity of 48 acre-feet. Completed in 1967, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/11/2019.

At 40 feet, this dam is taller than 87% of dams nationwide.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyPark
Nearest CityBelfry, Montana
River/StreamBig Sand Coulee Creek
Coordinates44.78056, -108.96750

Physical Characteristics

Dam TypeEarth
NID Height40 ft
Dam Height40 ft
Dam Length349 ft
Year Completed1967 (59 years old)

Storage & Hydraulics

NID Storage48 acre-ft
Max Storage48 acre-ft
Normal Storage22 acre-ft
Max Discharge289 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeOther
OwnerUSDI BLM
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection06/11/2019
Emergency Action PlanNot Required

Identifiers

NID IDWY01420
Federal IDWY01420
More InfoState Dam Safety Program

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