York Fs 9-118-4

THOMPSON DRAW· Campbell, Wyoming· Built 1973· Earth· 22 ft tall

Key Takeaway

York Fs 9-118-4 is classified as low hazard in Wyoming. It was completed in 1973 and is 53 years old. Its primary use is fire protection.

Physical Details

Dam Height 22 ft (taller than 28.8% in WY)
Dam Length242 ft
Dam TypeEarth
Max Storage28 acre-ft
Normal Storage21 acre-ft
Surface Area3 acres
Drainage Area1 sq mi
Max Discharge164 cfs
Year Completed1973 (53 years old)
NID IDWY01977

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: May 25, 2011
State Regulated: No

Ownership

USDA FS

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of York Fs 9-118-4?

York Fs 9-118-4 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 York Fs 9-118-4?

York Fs 9-118-4 is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was York Fs 9-118-4 built?

York Fs 9-118-4 was completed in 1973, making it 53 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 York Fs 9-118-4?

York Fs 9-118-4 serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is York Fs 9-118-4?

York Fs 9-118-4 has a dam height of 22 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 York Fs 9-118-4 last inspected?

York Fs 9-118-4 was last inspected on May 25, 2011. 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.