Wolff

HELIX DRAW· Campbell, Wyoming· Built 2004· Earth· 30 ft tall

Key Takeaway

Wolff is classified as low hazard in Wyoming. It was completed in 2004 and is 22 years old. Its primary use is irrigation.

Physical Details

Dam Height 30 ft (taller than 63.1% in WY)
Dam Length530 ft
Dam TypeEarth
Max Storage43 acre-ft
Normal Storage27 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge1,019 cfs
Year Completed2004 (22 years old)
NID IDWY02310

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 4, 2019
State Regulated: Yes
Regulatory Agency: SEO,DEQ

Ownership

FLOYD LAND & LIVESTOCK

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Wolff?

Wolff 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 Wolff?

Wolff is owned by FLOYD LAND & LIVESTOCK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Wolff built?

Wolff was completed in 2004, making it 22 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 Wolff?

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

How tall is Wolff?

Wolff has a dam height of 30 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 Wolff last inspected?

Wolff was last inspected on June 4, 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.