Delbert Jones

GREYBULL RIVER OFFSTREAM· Big Horn, Wyoming· Built 1962· Earth· 18 ft tall
Low Hazard Irrigation Private

Key Takeaway

Delbert Jones is classified as low hazard in Wyoming. It was completed in 1962 and is 64 years old. Its primary use is irrigation.

Physical Details

Dam Height 18 ft (taller than 17.2% in WY)
Dam Length1,125 ft
Dam TypeEarth
Max Storage166 acre-ft
Normal Storage79 acre-ft
Surface Area16 acres
Drainage Area0 sq mi
Max Discharge19 cfs
Year Completed1962 (64 years old)
NID IDWY01034

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 14, 2019
State Regulated: Yes
Regulatory Agency: SEO

Ownership

JONES BROTHERS ENTERPRISES

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Delbert Jones?

Delbert Jones 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 Delbert Jones?

Delbert Jones is owned by JONES BROTHERS ENTERPRISES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Delbert Jones built?

Delbert Jones was completed in 1962, making it 64 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 Delbert Jones?

Delbert Jones serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Delbert Jones?

Delbert Jones has a dam height of 18 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 Delbert Jones last inspected?

Delbert Jones was last inspected on August 14, 2019. 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.