Winter averaging is a practice by which water use during the winter time period is used to determine maximum sewer charges for the upcoming year. The utility bases bimonthly charges on the average water consumption during December, January, February and March, depending on your billing cycle.
Winter averaging rates are updated annually and are effective April 1st of each year. A lot of questions have been posed on why this formula is used and how rates are determined. The information is provided to help bring clarification to this practice.