North Windmill

MILL DRAW· Campbell, Wyoming· Built 2006· Earth· 47 ft tall

Key Takeaway

North Windmill is classified as low hazard in Wyoming. It was completed in 2006 and is 20 years old. Its primary use is irrigation.

Physical Details

Dam Height 47 ft (taller than 92.6% in WY)
Dam Length340 ft
Dam TypeEarth
Max Storage35 acre-ft
Normal Storage17 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge753 cfs
Year Completed2006 (20 years old)
NID IDWY02373

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: April 27, 2021
State Regulated: Yes
Regulatory Agency: SEO,DEQ

Ownership

MORIAH WYOMING RANCHES, LLC & ANADARKO E&P ONSHORE, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of North Windmill?

North Windmill 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 North Windmill?

North Windmill is owned by MORIAH WYOMING RANCHES, LLC & ANADARKO E&P ONSHORE, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was North Windmill built?

North Windmill was completed in 2006, making it 20 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 North Windmill?

North Windmill serves the following purposes: Irrigation, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is North Windmill?

North Windmill has a dam height of 47 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 North Windmill last inspected?

North Windmill was last inspected on April 27, 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.