The Sewer Division has the primary responsibility for the operation, maintenance, and rehabilitation of the City’s eleven pump stations and fifty miles of sewer collection systems to ensure that sewage flows continuously and without overflows. This division also provides routine maintenance and cleaning of the City’s stormwater conveyance system. The Sewer Division budget also supports contract fees paid to the City of San Diego Metropolitan Sewage System for the treatment of raw wastewater generated by the Imperial Beach Community.