System Maintenance: On Sunday, March 30, 2025, from 1:00AM to 5:00AM, our EZ Pay credit card payment processing may not be available; however, you may make a payment by logging in to Manage My Account. If you experience any issues, you can report an outage online or by calling (210) 353-4357. Please note that access to bills in Manage My Account may also be limited during this maintenance window.
Air Monitoring Stations
Air Monitoring Links
Keeping an eye on the environment is important to us. In order to ensure better air quality, we own and operate two comprehensive, continuous air-monitoring stations. These stations continually monitor ozone.
We record the presence of this constituent, as well as data on wind speed, wind direction and temperature to gauge how all these elements impact the quality of the air we breathe.