King County South Treatment Plant

Utility of the Future Today & awards for outstanding performance

King County Wastewater Treatment Division (WTD) has received national recognition as a Utility of the Future Today for its beneficial use of Loop® biosolids. WTD is one of 65 water utilities being recognized for transformational work in community engagement, watershed stewardship, and recovery of resources such as water, energy, and nutrients. The Utility of the Future…

Doing our part to fight climate change as a Utility of the Future

As a clean water utility, confronting climate change by reducing greenhouse gas emissions and preparing for climate change is one of our top priorities. Recycling resources not only reduces our carbon footprint, it supports larger goals for vibrant, healthy communities.

Turning Gold into Platinum

Each year NACWA recognizes member agency facilities for their dedication in maintaining compliance of NPDES limits. All of our plants are receiving awards this year, but we’re especially excited to announce that our Vashon Plant has now moved up the ranks from Gold to Platinum. Platinum Awards recognize 100% compliance with permits over a consecutive five-year period.

Gardening tips, free compost samples to 9,000 attendees at the 2016 Northwest Flower and Garden Show

King County helped garden enthusiasts turn their dirt around at the Northwest Flower and Garden Show, giving away a total of five pickup trucks worth of free compost. Booth visitors learned exciting facts about wastewater treatment (for example, that they each contribute up to 66 pounds of biosolids per year to King County!), and got…