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

July 07, 2025

Our offices will be closed from 8:00am to 1:00pm on Tuesday, July 8, 2025.  Please call 361-592-9323 in case of an emergency.  

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Celebrating Independence: A Safe and Fun 4th of July

Celebrating Independence: A Safe and Fun 4th of July

July 01, 2025

The 4th of July is a time to come together with family and friends, celebrate our nation's independence, and enjoy the warmth of summer with BBQs, fireworks, and poolside fun. While it’s an exciting and festive time of year, it’s also important to remember that safety should always come first.

 

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