May 27, 2022
If you live in the City of Carnation, do you know where water goes after you send it down the drain?
Unless you use a septic system, the water you send down the drain travels to King County’s Carnation Treatment Plant where we process about 111,000 gallons of wastewater every day.
May 2, 2022
How King County businesses help protect public health & the environment through our Industrial Waste program
Not all types of waste can be filtered out during the treatment process, which is why our Industrial Waste Program is in charge of preventing pollution from entering the wastewater system in the first place.
January 25, 2022
City Soil Farm: A Record Year for White Center Food Bank Donations
City Soil Farm, located at King County Wastewater Treatment Division South Plant is a small farm that produces food for the community and demonstrates the benefits of turning wastewater into valuable resources like recycled water and Class A biosolids.
January 24, 2022
Planning ahead to treat wastewater
We have some of the largest wastewater treatment plants in the country. It takes a decade or more to build large wastewater projects, so it’s important we plan ahead. That’s where our planning staff and programs come in.
January 18, 2022
Fine tuning wastewater treatment
Over the last year and a half, staff at our Brightwater Treatment Plant in Woodinville optimized the treatment process in a way that improved staff safety and the performance of the membrane filters.
December 2, 2021
Building a path for the future during a challenging time
In 2021, WTD’s partners at City of Bellevue Parks navigated the ongoing pandemic to create a big win for trail users and youth employment.
November 17, 2021
WaterWorks grants $5 million to community water quality improvement projects for 2022-23
68 projects aimed at protecting and improving regional water quality will be launched in the new year, thanks to funding through King County’s WaterWorks Grant Program.
November 15, 2021
Wastewater education team wins award for inclusive youth employment
King County Wastewater Treatment Division was presented with the Youth Employer of the Year Award from the Governor’s Committee on Disability Issues and Employment on October 26, 2021.
November 8, 2021
Green stormwater infrastructure & CSOs: In-depth media coverage
King County is working to control our combined sewer overflows through several strategies. One way we're reducing CSOs is through natural drainage solutions, also known as green stormwater infrastructure, which use plants, trees, and soil to soak up the rain.

