One Mile

N LODGE POLE CREEK OFFSTREAM· Laramie, Wyoming· Built 1907· Earth· 35 ft tall
Significant Hazard Irrigation Private

Key Takeaway

One Mile is classified as significant hazard in Wyoming. It was completed in 1907 and is 119 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 35 ft (taller than 78.8% in WY)
Dam Length2,130 ft
Dam TypeEarth
Max Storage2.9K acre-ft
Normal Storage2.2K acre-ft
Surface Area212 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1907 (119 years old)
NID IDWY00051

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: March 27, 2020
State Regulated: Yes
Regulatory Agency: SEO

Ownership

WARREN LIVESTOCK, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of One Mile?

One Mile is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates One Mile?

One Mile is owned by WARREN LIVESTOCK, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was One Mile built?

One Mile was completed in 1907, making it 119 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 One Mile?

One Mile 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 One Mile?

One Mile 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 One Mile last inspected?

One Mile was last inspected on March 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.