In certain areas within the City of Cumming’s Water and Sewer Service Area, gravity sewer is either not available or not feasible. In these areas Low Pressure Sewer may be the answer. If the City opts to install a low pressure sewer force main, each home owner will be required to install a progressive cavity grinder pump and connect the pump to the City’s line. Please call the City for more information at (770) 781-2020.