Hewes No. 1

SOUTH BEAVER CREEK· Crook, Wyoming· Built 1986· Earth· 15 ft tall
Low Hazard Irrigation Fire Protection Stock Or Small Fish Pond Private

Key Takeaway

Hewes No. 1 is classified as low hazard in Wyoming. It was completed in 1986 and is 40 years old. Its primary use is irrigation.

Physical Details

Dam Height 15 ft (taller than 10.6% in WY)
Dam Length758 ft
Dam TypeEarth
Normal Storage90 acre-ft
Surface Area18 acres
Drainage Area37 sq mi
Max Discharge0 cfs
Year Completed1986 (40 years old)
NID IDWY01691

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 28, 2021
State Regulated: Yes
Regulatory Agency: SEO

Ownership

MONTE J. & TANJA M. MILLER

Private

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Washington Memorial

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Houston

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Frequently Asked Questions

What is the hazard classification of Hewes No. 1?

Hewes No. 1 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 Hewes No. 1?

Hewes No. 1 is owned by MONTE J. & TANJA M. MILLER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hewes No. 1 built?

Hewes No. 1 was completed in 1986, making it 40 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 Hewes No. 1?

Hewes No. 1 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 Hewes No. 1?

Hewes No. 1 has a dam height of 15 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 Hewes No. 1 last inspected?

Hewes No. 1 was last inspected on April 28, 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.