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

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December 09, 2022

Our new website launched on March 14, 2022 and we continue adding information every day. Subscribe and receive news and alerts via email and text. Let us know what you think!

Are You Prepared for Any Situation?

September 01, 2023

September is National Preparedness Month!

Disasters happen in the blink of an eye, and we want you to be prepared. Hot, cold, rain or shine, being prepared and organized can be the difference between survival and struggle.

Let's examine some standard preparedness kits and survival tips that every home and car should have ready to go!

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