Innes

N PRONG PUMPKIN CREEK· Campbell, Wyoming· Built 1956· Earth· 30 ft tall
Low Hazard Fire Protection Stock Or Small Fish Pond Private

Key Takeaway

Innes is classified as low hazard in Wyoming. It was completed in 1956 and is 70 years old. Its primary use is fire protection.

Physical Details

Dam Height 30 ft (taller than 63.1% in WY)
Dam Length776 ft
Dam TypeEarth
Max Storage282 acre-ft
Normal Storage129 acre-ft
Surface Area23 acres
Drainage Area9 sq mi
Max Discharge2,498 cfs
Year Completed1956 (70 years old)
Year Modified2005
NID IDWY00563

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: April 29, 2020
State Regulated: Yes
Regulatory Agency: SEO

Ownership

INNES RANCH, LLC

Private

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Frequently Asked Questions

What is the hazard classification of Innes?

Innes 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 Innes?

Innes is owned by INNES RANCH, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Innes built?

Innes was completed in 1956, making it 70 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 Innes?

Innes serves the following purposes: 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 Innes?

Innes 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 Innes last inspected?

Innes was last inspected on April 29, 2020. 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.