In the event of sewage backup in your home, please contact the Mount Pleasant Sewer Utility before contacting a plumbing contractor. We will inspect our main line in the street for blockage. This service is at no charge to the resident. During normal business hours of 8:00 am to 5:00 pm, Monday through Friday, please call the Mount Pleasant Sewer Utility at (262) 664-7800. If you have a sewer backup after normal business hours, on the weekend or a holiday, call (262) 636-9550 and mention that you are located in Mount Pleasant