King County Wastewater Treatment Division

Students in the Clean Water Ambassador teen intern program stand in front of a building with masks on

Community

November 15, 2021

Wastewater education team wins award for inclusive youth employment

King County Wastewater Treatment Division was presented with the Youth Employer of the Year Award from the Governor’s Committee on Disability Issues and Employment on October 26, 2021.

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Community

November 8, 2021

Green stormwater infrastructure & CSOs: In-depth media coverage

King County is working to control our combined sewer overflows through several strategies. One way we're reducing CSOs is through natural drainage solutions, also known as green stormwater infrastructure, which use plants, trees, and soil to soak up the rain.

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A rain garden showing a shallow depression in the ground, with mulch, rocks, and plants

Community

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!

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A wastewater operator sits facing away from us, in front of multiple computer screens that help monitor the treatment plant processes

Operations

October 12, 2021

As rainy weather approaches, we are on the job 24/7

Our crews are on the job 24/7, 365 days a year to ensure the region’s wastewater treatment service – and that remains true as we move into the rainy season.

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Banner with a photo of Lake WA and Mt Rainier and text that says construction in Mercer Island & Bellevue to start early 2022

Community Infrastructure Operations

September 29, 2021

Major construction in Mercer Island & Bellevue to start early next year

If you live, play, work, or drive on Mercer Island, or if you live or recreate near Enatai Beach Park or Mercer Slough, you will see our construction activities over the next few years.

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Interns removing blackberries (invasive species) at White Center Heights Park

Community

September 24, 2021

Clean Water Interns & Accessibility

Since 2016, our utility’s education team has partnered with the Mountains to Sound Greenway Trust to lead the Clean Water Ambassador youth internship program.

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Puget Sound view from the SoundGuardian boat

Operations

September 20, 2021

Reducing nitrogen in Puget Sound where it matters

King County is committed to protecting water quality and reducing harm to fish and aquatic life in Puget Sound’s shallow bays caused by human sources of nitrogen.

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Infrastructure

September 15, 2021

Making projects sustainable, resilient, and equitable

King County’s Wastewater Treatment Division (WTD) is being recognized for its commitment to sustainable communities and the environment.

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Aerial view of the West Point Treatment Plant

Infrastructure Operations

August 19, 2021

Charging ahead with reliable battery power for West Point Treatment Plant

King County Executive Dow Constantine signed an emergency declaration and the King County Council authorized up to $65 million to provide West Point with more reliable power. The team behind the West Point Treatment Plant Power Quality Improvement Project has been working diligently to identify an innovative, sustainable supplemental power solution.

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People

August 19, 2021

Wastewater employees’ thoughtful approach earns industry award

In June, our utility won the Industry Appreciation Award from AACE International, the Association for the Advancement of Cost Engineering. King County is the first public agency to win the award since its creation in 1972.

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Operations

August 12, 2021

Awards for permit performance despite a tough year

Our Carnation, Brightwater, Vashon treatment plants and the South Plant Reclaimed Water Plant received 2020 Outstanding Performance awards from the Washington State Department of Ecology.

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Wastewater facilities inspection crews use a CCTV/video truck to look into sewers

People

August 3, 2021

Working from home works for inspection group

When about half of our approximately 700 utility employees started working from home, they quickly adapt to this new hybrid way of working to assure our essential services to the public continued.

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Clean Water Stories

from King County

Wastewater education team wins award for inclusive youth employment

Green stormwater infrastructure & CSOs: In-depth media coverage

Celebrating RainWise pollution prevention milestones in the King County basin

As rainy weather approaches, we are on the job 24/7

Major construction in Mercer Island & Bellevue to start early next year

Clean Water Interns & Accessibility

Reducing nitrogen in Puget Sound where it matters

Making projects sustainable, resilient, and equitable

Charging ahead with reliable battery power for West Point Treatment Plant

Wastewater employees’ thoughtful approach earns industry award

Awards for permit performance despite a tough year

Working from home works for inspection group

Clean Water Stories

from King County

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