Dd No 4a

DOYLE CREEK-TR· Marion, Kansas· Built 1995· Earth· 20 ft tall
Low Hazard Flood Risk Reduction Debris Control Local Government

Key Takeaway

Dd No 4a is classified as low hazard in Kansas. It was completed in 1995 and is 31 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 20 ft (taller than 25% in KS)
Dam Length1,780 ft
Dam TypeEarth
Max Storage744 acre-ft
Normal Storage94 acre-ft
Surface Area28 acres
Drainage Area1 sq mi
Max Discharge1,240 cfs
Year Completed1995 (31 years old)
Year Modified2022
NID IDKS09116

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: December 6, 1995
State Regulated: Yes
Regulatory Agency: KS Dept. of Agriculture

Ownership

DOYLE CREEK WJD NO 86

Local Government

Nearby Dams

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Dd No 104

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Dam KS04587

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Dam KS02977

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Frd No 10

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Frd No 9

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Frd No 12

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Frd No 5

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Low Hazard 27 ft

Frequently Asked Questions

What is the hazard classification of Dd No 4a?

Dd No 4a 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 Dd No 4a?

Dd No 4a is owned by DOYLE CREEK WJD NO 86 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dd No 4a built?

Dd No 4a was completed in 1995, making it 31 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 Dd No 4a?

Dd No 4a serves the following purposes: Flood Risk Reduction, Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Dd No 4a?

Dd No 4a has a dam height of 20 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 Dd No 4a last inspected?

Dd No 4a was last inspected on December 6, 1995. 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.