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A network of pipes, pumps, and equipment makes up our wastewater system. Because this essential service never takes a day off, our Operations and Maintenance team plays a critical role in keeping everything running smoothly. Caring for aging infrastructure is part of the job, with crews monitoring the system daily and responding quickly when issues arise.
Last November, an aging air vacuum relief valve on the plant’s 60-year-old outfall pipe carrying fully treated and disinfected water from West Point Treatment Plant failed near Lighthouse Beach in Seattle, causing intermittent flooding. Normally, this water is released through the outfall 3,600 feet offshore and about 230 feet deep in Puget Sound.
On a blustery morning, the team replaced the valve’s internal components, timing the work with the tides to relieve pressure on the line. The valve is now fully operational — another example of the steady, behind-the-scenes work that helps protect Puget Sound.
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Want to try composting but not sure where to start? Join us for Composting 101 at the Brightwater Center near Woodinville on Saturday, March 21, from 10 a.m. to 12 p.m. and learn the basics of making and using compost.
We’ll cover simple methods that work for everything from small bins to larger gardens. We’ll help you figure out which composting option is the best fit for your home. You’ll leave ready to get started, plus you’ll receive a sample of Loop Compost. The event is free for everyone 12 years old and up. Registration is required.
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 Calling all contractors, consultants, small businesses, and subcontractors in the Puget Sound area! Join us Wednesday, April 15, at Muckleshoot Casino Resort in Auburn for the third annual King County Contractor Outreach and Networking Event. Connect with firms of all sizes, meet potential partners, hear about upcoming King County projects, and learn how to get involved in future contracting opportunities. This event is designed to help make our processes clearer and more accessible, especially for small and emerging businesses. Registration is required.
Want a closer look at how our clean water projects support local jobs and small businesses? Read our blog to learn more about our approach to contracting and equity.
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 South Treatment Plant in Renton is more than tanks and pipes. The 90-acre property demands steady care to keep the facility safe and easy to move through, especially after wind and rain scatter leaves and branches across the grounds. Senior gardener Jim Davis has been tending that landscape for more than two decades, bringing patience, pride, and an artist’s eye to work that often goes unnoticed.
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If you live, work, commute, or spend time around East Lake Sammamish, we’d like to hear from you. Visit the Sammamish Plateau Diversion Project Online Open House to learn about plans for a new wastewater pipe that will add capacity in this growing area and help prevent future backups and overflows.
In the online open house, you can:
- See the proposed project corridor
- Learn why this area needs additional capacity
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Share your questions and feedback through a short survey
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Catch our latest stories on Facebook and Instagram. See updates, photos, and behind-the-scenes moments. Follow along and stay connected!
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This Valentine’s Day, we celebrated our five treatment plants and the dedicated team that keep our region’s water clean.
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The foam on the aeration tanks is a sign of life. Warm air activates naturally occurring bacteria that quickly break down the remaining organic matter.
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We couldn’t be prouder for the Seahawks for capturing their second Super Bowl title! Go Hawks!
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