King County is carrying out these projects as part of long-term system planning to ensure the regional sewer system keeps pace with growth and continues meeting regulatory requirements.
Map Key: active projects (GREEN) and completed projects (PURPLE).
View projects in list form: active and completed.
View more photos on WTD's flickr site .
Wastewater Treatment Division finances and budget
King County Performance, Strategy, and Budget Office
Procurement and contract services
Regulatory compliance and land acquisition services
Restoring natural areas after construction
Construction methods and sustainability
King Street Center
201 S. Jackson St., KSC-NR-5500
Seattle, WA 98104
WTD Division Directory