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 »

Stage 3 Drought Restrictions are in Effect

March 11, 2025

Because of the ongoing drought, the City of Corpus Christi and South Texas Water Authority have implemented STAGE 3 water restrictions effective immediately.

Cooling Off This Summer: The Importance of Hydration and Water Conservation

June 01, 2025

June marks the official start of summer, bringing longer days, sunshine, and warmer temperatures.

With the heat comes the increased need to stay hydrated, but it’s also a time when we need to be more mindful of our water usage.

Read the full article »