South Branch Dam

SOUTH BRANCH SHUNGANUNGA CREEK· Shawnee, Kansas· Built 1953· Earth· 33 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

South Branch Dam is classified as high hazard in Kansas. It was completed in 1953 and is 73 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 33 ft (taller than 81.7% in KS)
Dam Length1,750 ft
Dam TypeEarth
Max Storage2.6K acre-ft
Normal Storage0 acre-ft
Surface Area0 acres
Drainage Area13 sq mi
Year Completed1953 (73 years old)
NID IDKS01959

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: July 11, 2023
State Regulated: Yes
Regulatory Agency: KS Dept. of Agriculture

Ownership

SHUNGANUNGA DRAINAGE DISTRICT NO 1

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of South Branch Dam?

South Branch Dam 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 South Branch Dam?

South Branch Dam is owned by SHUNGANUNGA DRAINAGE DISTRICT NO 1 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was South Branch Dam built?

South Branch Dam was completed in 1953, making it 73 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 South Branch Dam?

South Branch Dam 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 South Branch Dam?

South Branch Dam has a dam height of 33 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 South Branch Dam last inspected?

South Branch Dam was last inspected on July 11, 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.