Government No. 1 Stock

SOUTH PRONG NO 1 DRAW· Johnson, Wyoming· Built 1962· Earth· 30 ft tall
Low Hazard Fire Protection Stock Or Small Fish Pond Federal Government

Key Takeaway

Government No. 1 Stock is classified as low hazard in Wyoming. It was completed in 1962 and is 64 years old. Its primary use is fire protection.

Physical Details

Dam Height 30 ft (taller than 63.1% in WY)
Dam Length266 ft
Dam TypeEarth
Max Storage26 acre-ft
Normal Storage16 acre-ft
Surface Area20 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1962 (64 years old)
NID IDWY00546

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: June 5, 2023
State Regulated: Yes
Regulatory Agency: SEO

Ownership

USDI BLM

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Government No. 1 Stock?

Government No. 1 Stock 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 Government No. 1 Stock?

Government No. 1 Stock is owned by USDI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Government No. 1 Stock built?

Government No. 1 Stock was completed in 1962, making it 64 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 Government No. 1 Stock?

Government No. 1 Stock 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 Government No. 1 Stock?

Government No. 1 Stock has a dam height of 30 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 Government No. 1 Stock last inspected?

Government No. 1 Stock was last inspected on June 5, 2023. 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.