Amerada Stock

NINE MILE CREEK· Johnson, Wyoming· Built 1969· Earth· 25 ft tall

Key Takeaway

Amerada Stock is classified as low hazard in Wyoming. It was completed in 1969 and is 57 years old. Its primary use is fire protection.

Physical Details

Dam Height 25 ft (taller than 39.5% in WY)
Dam Length566 ft
Dam TypeEarth
Max Storage262 acre-ft
Normal Storage157 acre-ft
Surface Area18 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1969 (57 years old)
NID IDWY00556

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 29, 2022
State Regulated: Yes
Regulatory Agency: SEO

Ownership

BRUCE D. PHEASANT

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Amerada Stock?

Amerada 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 Amerada Stock?

Amerada Stock is owned by BRUCE D. PHEASANT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Amerada Stock built?

Amerada Stock was completed in 1969, making it 57 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 Amerada Stock?

Amerada 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 Amerada Stock?

Amerada Stock 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 Amerada Stock last inspected?

Amerada Stock was last inspected on June 29, 2022. 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.