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…

Virtual ed program for HS students

Meaningful, virtual classes for high-schoolers are possible!

This July, our utility held an online program for high school-aged students to learn how to help protect clean water in our region. The Clean Water Ambassadors Certificate Program, done in partnership with the Mountains to Sound Greenway Trust, ran for four weeks and was open to all high school-aged youth in the King County…

stainless steel scrubbers

The case of the metal strands – teamwork leads to the source of treatment system damage

When wastewater comes into the Carnation Wastewater Treatment Plant, it first passes through a process that removes larger particles like trash and grit from the water. Next, the water flows through a process that involves tanks containing membranes. These membranes are fine filters (like spaghetti) that only allow water molecules to flow through. When staff…