On May 27, 2015, the Columbia Borough and Municipal Authority sold the sewer collection system in the Borough to Lancaster Area Sewer Authority (LASA). LASA is now responsible for operations and maintenance of the sewer collection system. LASA is a regional sewer authority that provides sewer service to 33,000 customers in the townships of East Hempfield, West Hempfield, Lancaster, Manor, and Manheim and the boroughs of East Petersburg and Mountville. For more information about LASA, visit their website at www.lasa.org . Sewer Problems or Emergencies To report a problem or emergency with your sewer service, contact LASA at the following numbers: Monday – Friday 8:00 am – 4:30 pm – Call 717-299-4843, select Option 3 Evenings, Weekends, and Holidays – Call 717-396-9619 (24 hour Call Center) Billing You will receive one final sewer bill in mid-June from Columbia for sewer service through the end of May. After that, you will receive your sewer bills from LASA. LASA's bil...