The city of Beaumont has suspended its online water note payment system due to a potential data hack, chief technology officer Bart Bartkowiak said.Bartkowiak said the city of Beaumont received several notifications of unauthorized iTunes charges on bill-payers' accounts. Bartkowiak suggested any residents who have paid their water bills online between Aug. 1 and Aug. 24 to retard their accounts for suspicious activity. he said that anyone who finds suspicious activity on their account should report it to their credit card issuer and their bank, to ask that their card live deactivated, to request that a fraud alert be placed on their account, and to petition copies of all credit reports.