For questions about the Wastewater Treatment Division website, please send an e-mail message or contact us at:
King Street Center
201 S. Jackson St., Suite 500
Seattle, WA 98104-3855
Telecommunication device for the deaf (TTY): 711
Get Directions to our office location in Seattle, Washington.
King County Wastewater Treatment Division Guide Specifications and CAD Standards are provided to consultants working on WTD projects. Please contact the WTD project manager for the current set of standards.