Dd No B-2

BLUE CREEK MARAISDESCYGNES-TR· Franklin, Kansas· Built 1988· Earth· 23 ft tall

High Hazard Flood Risk Reduction Local Government

Key Takeaway

Dd No B-2 is classified as high hazard in Kansas. It was completed in 1988 and is 38 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	23 ft (taller than 38.6% in KS)
Dam Length	1,020 ft
Dam Type	Earth
Max Storage	250 acre-ft
Normal Storage	56 acre-ft

Surface Area	12 acres
Drainage Area	1 sq mi
Max Discharge	850 cfs
Year Completed	1988 (38 years old)
NID ID	KS07185

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: January 5, 2020

State Regulated: Yes

Regulatory Agency: KS Dept. of Agriculture

Ownership

MARAIS DES CYGNES DD NO 1

Local Government

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Frequently Asked Questions

What is the hazard classification of Dd No B-2?

Dd No B-2 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 Dd No B-2?

Dd No B-2 is owned by MARAIS DES CYGNES DD NO 1 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dd No B-2 built?

Dd No B-2 was completed in 1988, making it 38 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 B-2?

Dd No B-2 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 Dd No B-2?

Dd No B-2 has a dam height of 23 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 B-2 last inspected?

Dd No B-2 was last inspected on January 5, 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.