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 »

STWA Board Meeting

April 22, 2022

The STWA Board of Directors will meet on Tuesday, April 26, 2022 at 5:30pm at the STWA conference room.  The agenda and packet can be found in the "Board Agenda & Agenda Packets" section under "News & Notices" on STWA's website. 

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Water - It's There When You Need It!

Water - It's There When You Need It!

May 01, 2022

It’s that wonderful time of year again where we come together to celebrate National Drinking Water Week! 

Every year, during the first week of May, water professionals across North America celebrate Water and all it provides to our communities and lives. This year’s theme is There When You Need It. 

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