Little Joe Detention

HAMPTON DRAW BIG HORN RIVER· Washakie, Wyoming· Built 2003· Gravity·
Low Hazard Other Federal Government

Key Takeaway

Little Joe Detention is classified as low hazard in Wyoming. It was completed in 2003 and is 23 years old. Its primary use is other.

Physical Details

Dam Length657 ft
Dam TypeGravity
Max Storage204 acre-ft
Normal Storage40 acre-ft
Surface Area18 acres
Drainage Area3,100 sq mi
Max Discharge18 cfs
Year Completed2003 (23 years old)
NID IDWY01411

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: August 2, 2016
State Regulated: Yes
Regulatory Agency: SEO

Ownership

DOI BLM

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Little Joe Detention?

Little Joe Detention 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 Little Joe Detention?

Little Joe Detention is owned by DOI BLM (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Little Joe Detention built?

Little Joe Detention was completed in 2003, making it 23 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 Little Joe Detention?

Little Joe Detention serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Little Joe Detention last inspected?

Little Joe Detention was last inspected on August 2, 2016. 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.