Upgrade projects continue at West Point Treatment Plant A series of construction projects currently under way at King County’s West Point Treatment Plant will increase operating efficiency, improve process safety and expand the production and use of renewable energy.
Wastemobile: Household hazardous waste collection starts March 11 in Covington All King County and city residents can safely dispose of old car batteries, oil, paint thinner and many other household hazardous items at no cost when the Wastemobile begins its 22nd year of service with a stop in Covington, March 11-13.