Mc Callen Dam

TR-WALNUT CREEK· Travis, Texas· Built 1998· Earth· 15 ft tall
High Hazard Local Government

Key Takeaway

Mc Callen Dam is classified as high hazard in Texas. It was completed in 1998 and is 28 years old. 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 15 ft (taller than 15.4% in TX)
Dam Length825 ft
Dam TypeEarth
Max Storage99 acre-ft
Normal Storage25 acre-ft
Surface Area0 acres
Drainage Area364 sq mi
Max Discharge1,253 cfs
Year Completed1998 (28 years old)
NID IDTX07286

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 24, 2019
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

CITY OF AUSTIN

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mc Callen Dam?

Mc Callen 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 Mc Callen Dam?

Mc Callen Dam is owned by CITY OF AUSTIN (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mc Callen Dam built?

Mc Callen Dam was completed in 1998, making it 28 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Mc Callen Dam?

Mc Callen Dam has a dam height of 15 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 Mc Callen Dam last inspected?

Mc Callen Dam was last inspected on January 24, 2019. 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.