John Arambel

JONAH GULCH· Sublette, Wyoming· Earth· 14 ft tall

Key Takeaway

John Arambel is classified as low hazard in Wyoming. Its primary use is fire protection.

Physical Details

Dam Height 14 ft (taller than 8.9% in WY)
Dam Length770 ft
Dam TypeEarth
Max Storage728 acre-ft
Normal Storage342 acre-ft
Surface Area97 acres
Drainage Area35 sq mi
Max Discharge1,315 cfs
Year Modified2006
NID IDWY02076

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: September 23, 2021
State Regulated: Yes
Regulatory Agency: SEO

Ownership

PRETTY WATER, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of John Arambel?

John Arambel 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 John Arambel?

John Arambel is owned by PRETTY WATER, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of John Arambel?

John Arambel 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 John Arambel?

John Arambel has a dam height of 14 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 John Arambel last inspected?

John Arambel was last inspected on September 23, 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.