Enl. Johnson 34-4-4377

BIG BULLWHACKER CREEK· Johnson, Wyoming· Built 2006· Earth· 25 ft tall

Key Takeaway

Enl. Johnson 34-4-4377 is classified as low hazard in Wyoming. It was completed in 2006 and is 20 years old. Its primary use is irrigation.

Physical Details

Dam Height 25 ft (taller than 39.5% in WY)
Dam Length368 ft
Dam TypeEarth
Max Storage106 acre-ft
Normal Storage52 acre-ft
Surface Area8 acres
Drainage Area19 sq mi
Max Discharge3,754 cfs
Year Completed2006 (20 years old)
NID IDWY02367

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 23, 2023
State Regulated: Yes
Regulatory Agency: SEO,DEQ

Ownership

DRY FORK LAND & LIVESTOCK (DEE JOHNSON)

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Enl. Johnson 34-4-4377?

Enl. Johnson 34-4-4377 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 Enl. Johnson 34-4-4377?

Enl. Johnson 34-4-4377 is owned by DRY FORK LAND & LIVESTOCK (DEE JOHNSON) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Enl. Johnson 34-4-4377 built?

Enl. Johnson 34-4-4377 was completed in 2006, making it 20 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 Enl. Johnson 34-4-4377?

Enl. Johnson 34-4-4377 serves the following purposes: Irrigation, Fire Protection, Stock, Or Small Fish Pond, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Enl. Johnson 34-4-4377?

Enl. Johnson 34-4-4377 has a dam height of 25 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 Enl. Johnson 34-4-4377 last inspected?

Enl. Johnson 34-4-4377 was last inspected on August 23, 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.