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Wastewater and Septic

Seattle PI Article & Video: Seattle Sewers Are Getting Clogged With Greaseexternal link icon
King County Don't Flush Troublelinks to external site
What 2 Flushlinks to external site
APWA PREFOG/Wastewaterlinks to external site
2010 Comprehensive Sewer System Plan
 (pdf 24MB)
Phone: 425-587-3800
Fax: 425-587-3807

Maintenance Center
Phone: 425-587-3900
Fax: 425-587-3902


City Hall Hours:
M-F, 8 a.m. to 5 p.m.

vactor truck

The Wastewater Division of Public Works primarily handles issues in these areas: City sewer main maintenance (cleaning, root removal, video inspection), sewer maintenance holes (cleaning, annual inspection, infiltration repair, structural repairs), maintenance and operation of eight sewage pump stations, and response to service requests.

Frequently Requested

Public Works
Mon-Fri, 8 a.m. to 5 p.m.
123 5th Avenue, Kirkland WA 98033
Operations & Maintenance
Mon-Fri, 6:30 a.m.-3:30 p.m.
915 8th St, Kirkland WA 98033

General Inquiries - Contact us via the: 
Our Kirkland Customer Service Portal

Engineering: T. 425.587.3800 | F. 425.587.3807
Operations & Maintenance: T. 425.587.3900 | F. 425.587.3902