Home Articles Mesa Water Notify Mesa Water Notify Posted: Wednesday, August 31, 2022 We know how important it is for your water to be there every time you turn on the tap. Sometimes water service is interrupted by planned maintenance and on occasion there are unforeseen circumstances. Make sure you receive timely email or text alerts via our Mesa Water Notify customer notification system by contacting Customer Services at 949.631.1200 to provide your current email address and mobile phone number.