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Most King County offices will be closed on Monday, for Martin Luther King Day.  
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The Carnation plant is an advanced treatment facility that uses a membrane bioreactor (MBR) system.

The MBR system sucks wastewater through hollow fibers with microscopic pores small enough to filter out particulate matter and even individual bacteria.

rsz_15227869668_04fc577c6e_zUV disinfection

View more photos on our Flickr site  .

Contact us

24 hour emergency and odor reporting:   206-263-1760
Administration:  206-263-1760 

Address
4405 Larson Ave.
Carnation, WA 98041

Directions and map