Home Articles Mesa Water Notify Now Live Mesa Water Notify Now Live Posted: Monday, November 1, 2021 Mesa Water Notify, which provides text and email notifications for water service updates directly to customers, is now live. Be sure Mesa Water has your current cell phone number and email address to receive water service and other important alerts. To update your contact information, call our Customer Services Department at 949.631.1200 or email your information to customerservice@mesawater.org. Learn more at MesaWater.org/notify.