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…

WTD Resource Recovery hosts visitor from Down Under to share our Biosolids expertise

King County Wastewater Treatment Division recently welcomed a visit from our wastewater treatment counterparts Watercare who serve Auckland, New Zealand🇳🇿. Their resource recovery manager Rob Tinholt, visited us to learn about our biosolids program. They’re developing their own resource recovery program and wanted to tap our resource recovery expertise so that Auckland could benefit from…

Brown is the new ‘green’ as South Plant becomes a major local source of renewable biofuels

Purified renewable natural gas produced at South Treatment Plant in Renton is now a clean diesel alternative for local commercial trucks. Each year, the volume of renewable natural gas produced at the South Treatment Plant is the energy equivalent of about 1.7 million gallons of diesel fuel.

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.