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.

Keeping Your Furry Friends Hydrated During the Hot Summer Months

July 09, 2025

As the temperature rises and summer makes its grand entrance, it's essential to remember that our pets need extra care to stay comfortable and healthy.

Just like us, pets can become dehydrated in the heat, which can lead to serious health issues if not properly managed. Ensuring your pet stays hydrated during these hot months is key to their well-being and safety.

Read the full article »