Christensen No. 1

COATES DRAW· Johnson, Wyoming· Built 1987· Earth· 55 ft tall
Low Hazard Irrigation Fish And Wildlife Pond Private

Key Takeaway

Christensen No. 1 is classified as low hazard in Wyoming. It was completed in 1987 and is 39 years old. Its primary use is irrigation.

Physical Details

Dam Height 55 ft (taller than 95% in WY)
Dam Length350 ft
Dam TypeEarth
Normal Storage402 acre-ft
Surface Area21 acres
Drainage Area3 sq mi
Max Discharge0 cfs
Year Completed1987 (39 years old)
NID IDWY01595

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 18, 2021
State Regulated: Yes
Regulatory Agency: SEO

Ownership

HORSESHOE BAR LAND & LIVESTOCK

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Christensen No. 1?

Christensen 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 Christensen No. 1?

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

When was Christensen No. 1 built?

Christensen No. 1 was completed in 1987, making it 39 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 Christensen No. 1?

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

How tall is Christensen No. 1?

Christensen No. 1 has a dam height of 55 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 Christensen No. 1 last inspected?

Christensen No. 1 was last inspected on May 18, 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.