الرئيسية Pay Your Bill Online! Pay Your Bill Online! Posted: Wednesday, April 29, 2020 Register today for Mesa Water’s online billing service, offering more ways to view and pay your bill, including the convenient AutoPay feature. Visit MesaWater.org/billpay. For assistance, contact Customer Services at 949.631.1200, Monday - Thursday 7:30 a.m. - 5 p.m., and Friday 8 a.m. - 5 p.m.