Lone Tree

LONE TREE CREEK· Albany, Wyoming· Built 1947· Earth· 35 ft tall
Low Hazard Irrigation Private

Key Takeaway

Lone Tree is classified as low hazard in Wyoming. It was completed in 1947 and is 79 years old. Its primary use is irrigation.

Physical Details

Dam Height 35 ft (taller than 78.8% in WY)
Dam Length408 ft
Dam TypeEarth
Max Storage728 acre-ft
Normal Storage447 acre-ft
Surface Area48 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1947 (79 years old)
NID IDWY00154

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: July 19, 2021
State Regulated: Yes
Regulatory Agency: SEO

Ownership

MONAGHAN FARMS, INC. (ROBERT DELINE)

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lone Tree?

Lone Tree 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 Lone Tree?

Lone Tree is owned by MONAGHAN FARMS, INC. (ROBERT DELINE) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lone Tree built?

Lone Tree was completed in 1947, making it 79 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 Lone Tree?

Lone Tree 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 Lone Tree?

Lone Tree has a dam height of 35 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 Lone Tree last inspected?

Lone Tree was last inspected on July 19, 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.