Orchard

LONE TREE CREEK· Washakie, Wyoming· Built 1925· Earth· 30 ft tall
Low Hazard Irrigation Private

Key Takeaway

Orchard is classified as low hazard in Wyoming. It was completed in 1925 and is 101 years old. Its primary use is irrigation.

Physical Details

Dam Height 30 ft (taller than 63.1% in WY)
Dam Length472 ft
Dam TypeEarth
Max Storage347 acre-ft
Normal Storage212 acre-ft
Surface Area23 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1925 (101 years old)
NID IDWY01067

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 27, 2020
State Regulated: Yes
Regulatory Agency: SEO

Ownership

ORCHARD RANCH, LLC c/c April O. Nelson

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Orchard?

Orchard 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 Orchard?

Orchard is owned by ORCHARD RANCH, LLC c/c April O. Nelson (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Orchard built?

Orchard was completed in 1925, making it 101 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 Orchard?

Orchard 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 Orchard?

Orchard has a dam height of 30 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 Orchard last inspected?

Orchard was last inspected on August 27, 2020. 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.