stainless steel scrubbers

The case of the metal strands – teamwork leads to the source of treatment system damage

When wastewater comes into the Carnation Wastewater Treatment Plant, it first passes through a process that removes larger particles like trash and grit from the water. Next, the water flows through a process that involves tanks containing membranes. These membranes are fine filters (like spaghetti) that only allow water molecules to flow through. When staff…

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…

Lake Hills/NW Lake Sammamish Sewer Upgrade Project – Join us for the latest details at Open houses on 10/22 and 10/24 in Redmond

There’s a lot of construction work planned for the Redmond area in the next few years. One of these projects is King County’s Lake Hills/NW Lake Sammamish Sewer Upgrade. King County needs to upgrade a regional sewer pipe that is undersized and aging. This 4.5-mile-long sewer pipe is located underground in trails, roads, parks, and…

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…

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…

Updating Industrial Waste Fee Structure: Surcharge Customers Fall 2018

Businesses that send “high strength” or concentrated organic wastewater to the sewer system pay more because it costs more to treat this wastewater. KCIW’s Surcharge Fee currently includes the costs for both treating concentrated “high-strength” waste at a treatment plant and the cost of compliance monitoring and administering the permit or authorization. Under a proposal…

Sedimentation tanks

Finding hidden value at the bottom of a sedimentation tank

What’s the real cost? Have you ever been undecided when buying an appliance, trying to choose between a standard or select model? You probably wished you had some data to help you make an informed choice. Well, by studying costs and crunching the numbers, maintenance engineers at West Point determined that what looked like a…

Chief Operating Officer meets with treatment plant employees

Cross-posted from KC Employee News Casey Sixkiller, Chief Operating Officer for King County Executive Dow Constantine, has been out meeting employees and leaders at worksites across the county since joining Executive Constantine’s Senior Leadership Team in February to learn more about all of the County’s lines of business, and he recently met with employees at…