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  1. Wastewater Treatment Division
  2. Capital projects

Capital projects

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.

sewer pipe being placed in the trenchView more photos on WTD's flickr site .

Resources

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

Wastewater Treatment Division

King Street Center
201 S. Jackson St., KSC-NR-5500
Seattle, WA 98104

Get directions

Contact us

206-477-5371

WTD Division Directory

website.wtd@kingcounty.gov