Tract 37

NO FK LITTLE MISSOURI RIVER· Crook, Wyoming· Built 1976· Earth· 31 ft tall

Key Takeaway

Tract 37 is classified as significant hazard in Wyoming. It was completed in 1976 and is 50 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 31 ft (taller than 70.8% in WY)
Dam Length1,100 ft
Dam TypeEarth
Max Storage4.0K acre-ft
Normal Storage2.5K acre-ft
Surface Area302 acres
Drainage Area131 sq mi
Max Discharge50,486 cfs
Year Completed1976 (50 years old)
Year Modified2022
NID IDWY01494

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: September 7, 2023
State Regulated: Yes
Regulatory Agency: SEO

Ownership

F. A. BUSH, INC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tract 37?

Tract 37 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 Tract 37?

Tract 37 is owned by F. A. BUSH, INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tract 37 built?

Tract 37 was completed in 1976, making it 50 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 Tract 37?

Tract 37 serves the following purposes: Irrigation, Fire Protection, Stock, Or Small Fish Pond, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Tract 37?

Tract 37 has a dam height of 31 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 Tract 37 last inspected?

Tract 37 was last inspected on September 7, 2023. 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.