The 2011 Sewer Comprehensive Plan for the City of Marysville addresses the City’s comprehensive planning needs for wastewater collection, transmission, treatment and disposal, as well as future service area development for the next 20 years.The Plan was prepared in accordance with the provisions of Chapter 90.48 Revised Code of Washington (RCW) Water Pollution Control; Washington Administrative Code (WAC) Section 173-240-050 - General Sewer Plan; and WAC 173-240-060 Engineering Report.Sewer Comprehensive Plan