Donaldson

DONALDSON DRAW· Johnson, Wyoming· Built 1970· Earth· 27 ft tall

Key Takeaway

Donaldson is classified as low hazard in Wyoming. It was completed in 1970 and is 56 years old. Its primary use is fire protection.

Physical Details

Dam Height 27 ft (taller than 50.7% in WY)
Dam Length235 ft
Dam TypeEarth
Max Storage61 acre-ft
Normal Storage31 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1970 (56 years old)
NID IDWY00626

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 23, 2021
State Regulated: Yes
Regulatory Agency: SEO

Ownership

V BAR F CATTLE COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Donaldson?

Donaldson 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 Donaldson?

Donaldson is owned by V BAR F CATTLE COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Donaldson built?

Donaldson was completed in 1970, making it 56 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 Donaldson?

Donaldson 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 Donaldson?

Donaldson has a dam height of 27 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 Donaldson last inspected?

Donaldson was last inspected on June 23, 2021. 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.