Geiger

CHAPMAN DRAW· Niobrara, Wyoming· Built 1952· Earth· 32 ft tall
Low Hazard Irrigation Private

Key Takeaway

Geiger is classified as low hazard in Wyoming. It was completed in 1952 and is 74 years old. Its primary use is irrigation.

Physical Details

Dam Height 32 ft (taller than 73% in WY)
Dam Length709 ft
Dam TypeEarth
Max Storage544 acre-ft
Normal Storage310 acre-ft
Surface Area39 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1952 (74 years old)
NID IDWY00584

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: October 19, 2022
State Regulated: Yes
Regulatory Agency: SEO

Ownership

STANLEY B. RENNARD

Private

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Griswold No. 1

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Rumney No. 2

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Frosh (Nid)

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Clark No. 1

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Anderson No. 1

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Simons Pond

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Low Hazard 24 ft

Frequently Asked Questions

What is the hazard classification of Geiger?

Geiger 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 Geiger?

Geiger is owned by STANLEY B. RENNARD (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Geiger built?

Geiger was completed in 1952, making it 74 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 Geiger?

Geiger 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 Geiger?

Geiger has a dam height of 32 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 Geiger last inspected?

Geiger was last inspected on October 19, 2022. 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.