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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January 19, 2024

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Welcome Spring! Time to Check for Water Leaks

Welcome Spring! Time to Check for Water Leaks

March 01, 2024

This March, we welcome sunnier days and the changing of season! Most importantly, we find and fix any water leaks from the winter season.

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