Dd No 11

EAST BRANCH MILL CREEK-TR· Wabaunsee, Kansas· Built 1997· Earth· 44 ft tall
Low Hazard Flood Risk Reduction Debris Control Local Government

Key Takeaway

Dd No 11 is classified as low hazard in Kansas. It was completed in 1997 and is 29 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 44 ft (taller than 95.4% in KS)
Dam Length800 ft
Dam TypeEarth
Max Storage730 acre-ft
Normal Storage59 acre-ft
Surface Area10 acres
Drainage Area2 sq mi
Max Discharge5,860 cfs
Year Completed1997 (29 years old)
NID IDKS07840

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: Yes
Last Inspection: November 19, 2008
State Regulated: Yes
Regulatory Agency: KS Dept. of Agriculture

Ownership

MILL CREEK WJD NO 85

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Dd No 11?

Dd No 11 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 11?

Dd No 11 is owned by MILL CREEK WJD NO 85 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dd No 11 built?

Dd No 11 was completed in 1997, making it 29 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 11?

Dd No 11 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 11?

Dd No 11 has a dam height of 44 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 11 last inspected?

Dd No 11 was last inspected on November 19, 2008. 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.