Bliss No. 1

Bliss No. 1 is an earth dam located in Niobrara County, Wyoming, built in 1970. It carries a Low hazard potential classification and has a poor condition assessment.

About Bliss No. 1

The primary purpose of Bliss No. 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Joss Limited Partnership (private). It impounds the Bills Creek near Lance Creek.

The dam stands 33 feet tall and stretches 690 feet across, creates a reservoir covering 28 acres, and has a maximum storage capacity of 428 acre-feet. Completed in 1970, 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 05/03/2023.

At 33 feet, this dam is taller than 78% of dams nationwide.

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Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyNiobrara
Nearest CityLance Creek
River/StreamBills Creek
Coordinates42.84500, -104.73028

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height33 ft
Dam Length690 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage428 acre-ft
Max Storage428 acre-ft
Normal Storage259 acre-ft
Surface Area28 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerJOSS LIMITED PARTNERSHIP
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection05/03/2023
Emergency Action PlanNot Required

Identifiers

NID IDWY00419
Federal IDWY00419
More InfoState Dam Safety Program

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