Description: This data set is a compilation of sewer lines from different providers in Snohomish County. Providers include: the cities of Arlington, Bothell, Brier, Everett, Granite Falls, Lynnwood, Marysville, Monroe, Mountlake Terrace, Snohomish, Stanwood and Sultan, Alderwood Water and Wastewater District, Lake Stevens Sewer District, Mukilteo Sewer District, Olympus Terrace Sewer District, Silver Lake Water District and Tulalip Sewer.