The Sammamish Plateau Water and Sewer District (District) has prepared Water and Wastewater Comprehensive Plans as road maps to guide the District into the future and ensure that it continues to provide high-quality water and wastewater service to our customers. If you want to know more detail about here water and sewer systems, click on one of the comprehensive plans below. 

Water Comprehensive Plan

Wastewater (Sewer) Comprehensive Plan