Hanchett

SOUTH BLUE GRASS CREEK· Albany, Wyoming· Built 1990· Earth· 29 ft tall

Key Takeaway

Hanchett is classified as low hazard in Wyoming. It was completed in 1990 and is 36 years old. Its primary use is fire protection.

Physical Details

Dam Height 29 ft (taller than 59.6% in WY)
Dam Length475 ft
Dam TypeEarth
Max Storage102 acre-ft
Normal Storage55 acre-ft
Surface Area94 acres
Drainage Area14 sq mi
Max Discharge5,682 cfs
Year Completed1990 (36 years old)
NID IDWY01986

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: June 15, 2023
State Regulated: Yes
Regulatory Agency: SEO

Ownership

GUIDE ROCK, LTD

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hanchett?

Hanchett 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 Hanchett?

Hanchett is owned by GUIDE ROCK, LTD (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hanchett built?

Hanchett was completed in 1990, making it 36 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 Hanchett?

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

How tall is Hanchett?

Hanchett has a dam height of 29 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 Hanchett last inspected?

Hanchett was last inspected on June 15, 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.