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Water Quality

A rain garden showing a shallow depression in the ground, with mulch, rocks, and plants
Climate Change / SustainabilityCommunity EngagementCustomer service / Being a good neighborEducationInformation sharing / PartnershipsRainWise / Green Stormwater InfrastructureWet Weather Treatment
October 25, 2021

Celebrating RainWise pollution prevention milestones in the King County basin

As the days get shorter and we anticipate more rain in our forecast, we are celebrating a timely milestone—we just mailed our 1,000th RainWise rebate check in one of the eligible combined sewer overflow basins! Our utility strives to prevent…
King County South Treatment Plant
Climate Change / SustainabilityCustomer service / Being a good neighborOperations / Wastewater TreatmentResource Recovery (Biosolids, energy, recycled water)Utility of the Future / Awards
September 22, 2020

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,…
ConstructionWildlife / Habitat
October 30, 2019

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…
Protecting Our Waters
April 26, 2019

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…
ConstructionEquity & Social Justice, Inclusion, AccessibilityOperations / Wastewater TreatmentProtecting Our WatersWet Weather Treatment
November 26, 2018

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…