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…

Beach clean up volunteer

Earth Day: Sticking to values in tough times

Wastewater treatment is essential to protecting public health and the environment – but we do more than treat the region’s wastewater. From reducing our carbon footprint to recycling the products of sewage treatment, our employees are committed to protecting the environment, public health and our quality of life. That commitment endures in difficult times –…

Help us protect recovering landscapes

Some colorful new signs may catch your eye at former King County Wastewater Treatment Division (WTD) construction sites. WTD’s Mitigation and Monitoring (M/M) Program is installing new signs to alert people and help them protect recovering landscapes. WTD’s project teams strive to reduce impacts to people and the environment as they design critical infrastructure projects.…

Let WTD know your priorities for the Clean Water Plan

Online Clean Water Plan questionnaire closes Nov. 1 — tell us what you think  Since spring 2019, we have been talking with people about the Clean Water Plan and listening to their priorities for our rivers, lakes, and Puget Sound.   King County Wastewater Treatment Division has important water quality investment decisions to make. The decisions…

Young “Salmon Heroes” are out at salmon spawning locations

Blog by Mirna Ali, a college intern working with the WaterWorks Grant Program. Mirna is a senior at the University of Washington, Tacoma majoring in environmental science. Fall salmon spawning season is under way as native sockeye, chinook, coho, pink and chum are coming home to King County’s rivers and streams. The Salmon SEEson website…

Green Globe Awards announced for 2019

On Earth Day🌎, King County Executive Dow Constantine recognized 13 businesses, cities, organizations and people for the work they’re doing to protect and improve the local environment with the Green Globe Awards. The Green Globe Awards are the County’s highest honor for local environmental efforts. Congratulations to all those recognized!❤️ Among the recipients are three…

King County’s Georgetown Wet Weather Treatment Station celebrates Platinum Achievement Award for Sustainability

King County’s Georgetown Wet Weather Treatment Station (WWTS) has earned the coveted “Platinum” rating 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 is under construction in Seattle’s Georgetown neighborhood and…