Dunn No. 1

SPRING CREEK· Converse, Wyoming· Built 1954· Earth· 27 ft tall
Low Hazard Irrigation Private

Key Takeaway

Dunn No. 1 is classified as low hazard in Wyoming. It was completed in 1954 and is 72 years old. Its primary use is irrigation.

Physical Details

Dam Height 27 ft (taller than 50.7% in WY)
Dam Length528 ft
Dam TypeEarth
Max Storage58 acre-ft
Normal Storage34 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1954 (72 years old)
NID IDWY00263

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: August 14, 2023
State Regulated: Yes
Regulatory Agency: SEO

Ownership

WAGONHOUND LAND & LIVESTOCK

Private

Nearby Dams

Pexton No. 1

Converse, WY

Low Hazard 38 ft

Bell & Scranton No. 2

Albany, WY

Low Hazard 24 ft

Indian Creek No. 1

Converse, WY

Low Hazard 41 ft

Phillips No. 1

Albany, WY

Low Hazard 28 ft

Bar M No. 2

Albany, WY

Low Hazard 43 ft

Bell & Scranton No. 1

Albany, WY

Significant Hazard 35 ft

Bar M No. 3

Albany, WY

Low Hazard 30 ft

Kafka No. 1

Albany, WY

Low Hazard 21 ft

Frequently Asked Questions

What is the hazard classification of Dunn No. 1?

Dunn No. 1 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 Dunn No. 1?

Dunn No. 1 is owned by WAGONHOUND LAND & LIVESTOCK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dunn No. 1 built?

Dunn No. 1 was completed in 1954, making it 72 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 Dunn No. 1?

Dunn No. 1 serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Dunn No. 1?

Dunn No. 1 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 Dunn No. 1 last inspected?

Dunn No. 1 was last inspected on August 14, 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.