If the sewer backs up (for example the toilet, sink, tub or washing machine) please call the Water and Sewer Division at 781-942-9092 (Monday through Friday from 7 am to 3 pm) They will make sure that the problem is not due to the Town's system. Emergency (Nights, Weekends, Holidays) Call Reading Police Department 781-944-1212. Please provide your name, address and phone number.