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News and events
Find the latest news stories, press releases, and upcoming event information from the Hazardous Waste Management Program.
Featured news
Upcoming events schedule
EVENT
Mobile Collection Service: Wastemobile, Carnation/Duvall
Tolt MacDonald Park
3600 Block of Tolt Ave | Carnation, WA 98014
April 10-12, 2026
10:00 a.m. to 5:00 p.m., daily
Bring your household hazardous waste to the Wastemobile for safe, free disposal. This service is for King County residents looking to get rid of items like batteries, pesticides, motor oil, and other hazardous materials.
Drop off your items at this seasonal collection event—no appointment needed.
EVENT
Free Workshop: Glow Up Without the Toxins
King County Library - Burien
400 SW 152nd Street | Burien, WA 98166
April 12, 2026
2:00 p.m. to 3:15 p.m.
Learn how to spot harmful ingredients in everyday beauty and household products and choose safer options. This workshop is for community members interested in reducing exposure to toxic chemicals in their home.
Join us for an interactive session with activities and tools to check product ingredients and make safer choices.
Registration required
EVENT
Mobile Collection Service: Wastemobile, Bothell/Woodinville
UW Bothell Campus
18115 Campus Way NE | Bothell, WA 98011
April 17 - 19, 2026
10:00 a.m. to 5:00 p.m., daily
Bring your household hazardous waste to the Wastemobile for safe, free disposal. This service is for King County residents looking to get rid of items like batteries, pesticides, motor oil, and other hazardous materials.
Drop off your items at this seasonal collection event—no appointment needed.
EVENT
Maple Valley Earth Day Fair
Lake Wilderness Arboretum
22520 SE 248th St. | Maple Valley, WA 98038
April 18, 2026
10:00 a.m. to 2:00 p.m.
Learn about environmental practices and local sustainability resources at the 2026 Maple Valley Earth Day Fair. Community members will learn about safer cleaning options, growing chemical-free gardens, and how to safely dispose of hazardous waste.
Attendees can also bring household items for free lead testing and can drop off hazardous waste at our on-site Wastemobile.
EVENT
Mobile Collection Service: Wastemobile, Redmond
The Home Depot
17777 NE 76th Street | Redmond, WA 98052
May 1-3, 2026
10:00 a.m. to 5:00 p.m., daily
Bring your household hazardous waste to the Wastemobile for safe, free disposal. This service is for King County residents looking to get rid of items like batteries, pesticides, motor oil, and other hazardous materials.
Drop off your items at this seasonal collection event—no appointment needed.
EVENT
Mobile Collection Service: Wastemobile, Kent/Covington
Puget Sound Fire Station #75
15635 SE 272nd Street | Kent, WA 98042
May 8 - 10, 2026
10:00 a.m. to 5:00 p.m., daily
Bring your household hazardous waste to the Wastemobile for safe, free disposal. This service is for King County residents looking to get rid of items like batteries, pesticides, motor oil, and other hazardous materials.
Drop off your items at this seasonal collection event—no appointment needed.
Go to events calendar