Welcome to the Official Website of South Texas Water Authority

Our Mission

At STWA we are committed to working with governmental entities, Water Supply Corporations, industry and commerce to maintain a water supply for current and future needs.

NWSC and RWSC Customers

Please check the NWSC and RWSC websites for payment options, updates and other important information.

Conservation Tips

There are a number of easy ways to save water, and they all start with you. When you save water, you save money on your utility bills. Here are just a few ways...Conservation Tips

Recent News View All »

Office Closure

January 17, 2025

Our offices will be closed on Monday, January 20th in honor of Martin Luther King Jr. Day. 

Please call 361-592-9323 in case of an emergency.

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Staying Motivated & Focused in the New Year!

Staying Motivated & Focused in the New Year!

January 01, 2025

As we embark on a new year filled with endless possibilities, it's natural to feel a surge of motivation and excitement for what lies ahead. However, maintaining that momentum and focus can sometimes prove challenging amidst the hustle and bustle of daily life.

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