Frd No 6

WEST BRANCH WALNUT RIVER-TR· Butler, Kansas· Built 1982· Earth· 30 ft tall

High Hazard Flood Risk Reduction Local Government

Key Takeaway

Frd No 6 is classified as high hazard in Kansas. It was completed in 1982 and is 44 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height	30 ft (taller than 71.7% in KS)
Dam Length	2,700 ft
Dam Type	Earth
Max Storage	2.7K acre-ft
Normal Storage	104 acre-ft

Surface Area	36 acres
Drainage Area	6 sq mi
Max Discharge	2,500 cfs
Year Completed	1982 (44 years old)
NID ID	KS05289

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes

Last Inspection: April 12, 2023

State Regulated: Yes

Regulatory Agency: KS Dept. of Agriculture

Ownership

UPPER WALNUT WJD NO 33

Local Government

Nearby Dams

Frd No 5

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Low Hazard 28 ft

Frd No 9

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Low Hazard 29 ft

Frd No 7

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High Hazard 27 ft

Allison Dam

Butler, KS

Significant Hazard 20 ft

Frd No 10

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Low Hazard 30 ft

8 - North Sector

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High Hazard 27 ft

Dam KS03841

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Dd No Sp-11

Butler, KS

Low Hazard 27 ft

Frequently Asked Questions

What is the hazard classification of Frd No 6?

Frd No 6 is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Frd No 6?

Frd No 6 is owned by UPPER WALNUT WJD NO 33 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Frd No 6 built?

Frd No 6 was completed in 1982, making it 44 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 Frd No 6?

Frd No 6 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Frd No 6?

Frd No 6 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 Frd No 6 last inspected?

Frd No 6 was last inspected on April 12, 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.