Home Articles Mesa Water’s New Online Bill Pay – Coming Soon! Mesa Water’s New Online Bill Pay – Coming Soon! Posted: Wednesday, May 1, 2019 Starting September 3, 2019, Mesa Water will be launching a new, user-friendly online bill pay service that will allow customers to pay their water bill quickly and securely. If you currently pay your Mesa Water bill through AutoPay, or if you pay/view your bill online, you will need to re-register for the new service in order to continue your auto payment and to pay/view your bill online. If you are not registered for AutoPay, please look for updates coming soon to sign up, and benefit from the variety of convenient options for paying/viewing your bill online. Once registered, Mesa Water customers will enjoy more ways to view and pay their bills, including pay by text and email, while receiving helpful monthly reminders. Stay tuned for updates to sign up for your new account, coming soon! For questions, contact Customer Service at 949.631.1200.