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Carnation Treatment Plant

Find information and facts about Carnation Treatment Plant located in downtown Carnation, including the treatment process, improvement projects, and the nearby Chinook Bend Natural Area.

May 2023 Update

View the May 2023 newsletter to learn more about the path of water through Carnation, information on upgrades on the treatment plant facility, and what not to flush!

Newsletter Format: English or Spanish 
Accessible Format: English or Spanish 

Located in downtown Carnation, Carnation Treatment Plant (Carnation) began operations in 2008. The facility helps support our regional wastewater system by treating wastewater in Carnation’s growing area. Carnation collects wastewater from pipes owned and maintained by the City of Carnation. The facility serves about 2,000 people every year, with the capacity to serve up to 4,000 by 2030.

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