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You are here : Septic  >  Sewer & Water Districts

Sewer & Water Districts

Most occupied properties in Snohomish County are within an existing sewer district. These properties may be able to—or may even be required to—connect when a property is developed or an existing septic system fails. See the chart below for the sewer and water districts within the county as well as each district’s contact information.

Water/Sewer District Phone Address
Alderwood Water & Wastewater District 425.743.4605 3626 156th Street SW, Lynnwood
City of Brier (Sewer District) 425.775.5440 2901 228th Street SW, Brier
Cross Valley Water District 360.668.6766 8802 180th Street SE, Snohomish
City of Edmonds (Water/Sewer District) 425.771.0235 7110 210th Street SW, Edmonds
City of Everett (Water/Sewer District) 425.257.8800 3200 Cedar Street, Everett
City of Granite Falls (Water/Sewer District) 360.691.6441 PO Box 1440, Granite Falls (206 S Granite Avenue)
Lake Stevens Sewer District 425.334.8588 1106 Vernon Road, Suite A, Lake Stevens
City of Lynnwood (Water/Sewer District) 425.775.1971 PO Box 5008, Lynnwood (19100 44th Avenue W)
City of Marysville (Water/Sewer District) 360.363.8100 80 Columbia Street, Marysville
City of Monroe (Water/Sewer District) 360.794.7400 806 West Main Street, Monroe
City of Mountlake Terrace (Water/Sewer District) 425.670.8264 PO Box 72, Mountlake Terrace (23204 58th Avenue W)
Mukilteo Water & Wastewater District 425.355.3355 PO Box 260, Mukilteo (7824 Mukilteo Speedway)
Olympic View Water & Sewer District 425.774.7769 23725 Edmonds Way, Edmonds
Seven Lakes Water Association 360.652.8192 17507 W Lake Goodwin Road, Stanwood (Lake Goodwin area)
Silver Lake Water & Sewer District 425.337.3647 PO Box 13888, Mill Creek (15205 41st Avenue SE, Bothell)
City of Snohomish (Water/Sewer District) 360.568.3115 116 Union Avenue, Snohomish
City of Stanwood (Water/Sewer District) 360.629.2181 10220 270th Street NW, Stanwood
City of Sultan (Water/Sewer District) 360.793.2231 PO Box 1199, Sultan (319 Main Street)
Tulalip Utilities (Water/Sewer District) 360.716.4840 3015 Mission Beach Road, Tulalip