Doyen

TRABING DRAW· Johnson, Wyoming· Built 1956· Earth· 25 ft tall
Low Hazard Fire Protection Stock Or Small Fish Pond Private

Key Takeaway

Doyen is classified as low hazard in Wyoming. It was completed in 1956 and is 70 years old. Its primary use is fire protection.

Physical Details

Dam Height 25 ft (taller than 39.5% in WY)
Dam Length550 ft
Dam TypeEarth
Max Storage127 acre-ft
Normal Storage68 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1956 (70 years old)
NID IDWY00779

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: July 2, 2019
State Regulated: Yes
Regulatory Agency: SEO

Ownership

TRAIL LAND, LLC

Private

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Frequently Asked Questions

What is the hazard classification of Doyen?

Doyen is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Doyen?

Doyen is owned by TRAIL LAND, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Doyen built?

Doyen was completed in 1956, making it 70 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Doyen?

Doyen serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Doyen?

Doyen has a dam height of 25 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Doyen last inspected?

Doyen was last inspected on July 2, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.