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Collecting, routing, and properly treating your wastewater, or sewage, prevents disease and reclaims water for its safe return to the water cycle.
The District’s retail wastewater service boundary covers approximately 39 square miles spanning from Puget Sound east beyond the Bothell-Everett Highway (State Route 527) and north from the Snohomish County line to just south of Paine Field. The service area encompasses portions of Brier, Lynnwood, Mill Creek, a portion of Bothell north of the Snohomish county line, Mukilteo south of Paine Field, and unincorporated areas of Snohomish County.
You can learn more about our Comprehensive Wastewater Plan below.