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 Phone: 206-684-1280 Fax: 206-684-1741 Telecommunication device for the deaf (TTY): 711
Get Directions to our office location in Seattle, Washington.
Carnation Wastwater Treatment System, May 2008 (1.6MB). Where does it go after you flush, brush or do the dishes? A step-by-step overview of the Carnation Wastewater Treatment System. Backside of handout: Let's Talk Trash - what belongs in the trash can and not the toilet or drain.
Carnation Sewer System Owner's Manual, April 2008 (1MB). This brochure provides sewer tips (including care of the candy cane-shaped air vent in your yard and what is appropriate to put in your toilet and drain) and information on household hazardous waste disposal.