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