A group of 13 people smile at the camera and hold up their hands waving. They are standing or kneeling in the rain garden.

Kent Meridian High School Rocks a Rain Garden

By Emma Foulk and Elizabeth Loudon In 2019, Risa Suho was a senior at Kent Meridian High School and an intern at King County Wastewater Treatment Division’s Clean Water Ambassadors program. After learning about green ways to manage stormwater, she decided to write her first grant proposal. Her school received a $35,000 WaterWorks Grant to…

Aerial photos of the five treatment plants

Celebrating our award-winning treatment plants

All five of King County’s wastewater treatment plants received 2021 National Association of Clean Water Agency’s (NACWA) Peak Performance Awards, honoring multiple consecutive years of compliance with state and federal effluent permit limits. Special congratulations go to Brightwater for earning its first Platinum award for five years of compliance – and to Vashon for Platinum…

Brightwater Public Art: Grandfather’s Wisdom

A Brightwater mystery: where is Grandfather’s Wisdom? If you’ve visited the Brightwater Trails area or driven by on Highway 9 past Woodinville recently, you may have noticed that something is missing. A bare metal framework stands where once an iconic longhouse art installation was nestled among flowering trees. Grandfather’s Wisdom brings the history, perspectives, and culture…

The Georgetown station as viewed from the intersection.

The first Envision Platinum sustainability award in the state

King County’s Georgetown Wet Weather Treatment Station (WWTS) earned the coveted “Platinum” designation from the Institute for Sustainable Infrastructure’s Envision rating system. This is the first Platinum-awarded Envision project in Washington and recognizes the County’s commitment to sustainable communities and the environment. The Georgetown WWTS project in Seattle’s Georgetown neighborhood will treat up to 70…

Two men in hardhats and safety clothing stand smiling at the camera. A railing and trees are in the background.

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 in the City of Carnation travels through pipes owned and maintained by the City of Carnation to King County’s Carnation Treatment Plant. At this plant, we process about 111,000 gallons of wastewater every day. After we treat the water, we release it…

A person in a orange safety slicker and navy blue pants sweeps with a broom around concrete structures and industrial equipment

How King County businesses help protect public health & the environment through our Industrial Waste program

Staff at our King County wastewater treatment plants do an excellent job of cleaning wastewater, but not all types of waste can be filtered out during the treatment process. Our Industrial Waste Program is in charge of preventing pollution from entering the wastewater system in the first place. That’s also where local business can make…

A woman wastewater operator in a orange safety shirt, mask, gloves and googles, holds up water samples

Wastewater could be a great career for you & we will PAY & train you to find out!

Operators work hands-on, out at our treatment plants Operators watch over large and complex industrial equipment and the flows going through them – from both on-the-ground and from computer monitoring systems. They check readings and take water samples to make sure things are running smoothly – troubleshooting when necessary. They often work as part of…

City Soil Farm: A Record Year for White Center Food Bank Donations

City Soil Farm, located at King County Wastewater Treatment Division (WTD) South Plant is a small farm that produces food for the community and demonstrates the benefits of turning wastewater into valuable resources such as recycled water and Class A biosolids. City Soil is a place where the hard work of staff and volunteers means…

Well KEPT youth employees wear masks and safety vest as they help build a trail detour

Building a path for the future during a challenging time

At King County Wastewater Treatment Division (WTD), we consider it a win whenever we can partner with local agencies and organizations to accomplish a goal. 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. WTD’s Coal Creek Sewer Upgrade Project…