System Maintenance: On Sunday, March 15, 2026, from 1:00 AM to 5:00 AM, our EZ Pay with credit card payment processing may be unavailable. However, you can still make a payment by logging in to your "Manage My Account" account. You may report an outage online or by calling (210) 353-4357. Visibility to bills in Manage My Account may also not be available during this maintenance.
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.