Responds to customer telephone inquiries regarding water and sewer service and billing utilizing computer billing system and related software, retrieves related electronic or hard copy documents, reviews account information, answers customer questions related to account, responds to customer requests for changes to account information, bill corrections or payment arrangements, researches files for field investigations, waivers or adjustments, investigates and resolves account problems, refers account details as necessary to other parties to resolve complaints, performs account maintenance using billing software, schedules customer requested service orders, completes service orders using billing software as necessary, performs follow-up research, investigations, corrected bills or billing adjustments as necessary. Responds to walk-in customer inquiries, interprets complex account information, researches and investigates problem accounts, schedules appointments for service orders, makes payment arrangements with customers and enters payments and payment arrangements into billing software, refers account problems to more appropriate party when necessary.