Walnut Branch North Detention Dam

WALNUT BRANCH· Guadalupe, Texas· Built 2010· Earth· 12 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Walnut Branch North Detention Dam is classified as high hazard in Texas. It was completed in 2010 and is 16 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 12 ft (taller than 7.4% in TX)
Dam Length3,605 ft
Dam TypeEarth
Max Storage568 acre-ft
Normal Storage0 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Max Discharge1,145 cfs
Year Completed2010 (16 years old)
NID IDTX07341

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: No
Last Inspection: September 26, 2018
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

CITY OF SEGUIN

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Walnut Branch North Detention Dam?

Walnut Branch North Detention 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 Walnut Branch North Detention Dam?

Walnut Branch North Detention Dam is owned by CITY OF SEGUIN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Walnut Branch North Detention Dam built?

Walnut Branch North Detention Dam was completed in 2010, making it 16 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 Walnut Branch North Detention Dam?

Walnut Branch North Detention 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 Walnut Branch North Detention Dam?

Walnut Branch North Detention Dam has a dam height of 12 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 Walnut Branch North Detention Dam last inspected?

Walnut Branch North Detention Dam was last inspected on September 26, 2018. 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.