Pay Your Bill
- To pay your utility bill online, visit https://uiwatertexas.firstbilling.com. You will need your account number and your zip code. (Your account number can be found on your utility bill). You will be re-directed to our third party payment system, First Billing Services.
- You will receive an email confirmation that payment was made.
Please note: Payments will be posted to your account the next business day.