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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
Natural Yard Care - Growing Houseplants at Home
KCLS - Fairwood
17009 140th Ave. SE | Renton, WA 98058
October 15, 2025
6:00 p.m. to 8:00 p.m.
Houseplants can help keep the air in your home free of contaminants, relax us and beautify our environment. Learn about the best soil, pot and plant choices for your home and practice potting up small starts into a larger container to take home with you. Starting small saves money and gives you the fun of growing plants in their home!
EVENT
Wastemobile - Renton
McLendon Hardware
440 Rainier Ave. | Renton, WA 98057
October 17 - 19, 2025
10:00 a.m. to 5:00 p.m., daily
The Wastemobile travels to communities throughout King County to provide hazardous waste disposal for residents and eligible businesses. There is no fee for hazardous waste disposal. Please check the Wastemobile page for a list of accepted items, limits, and restrictions.
EVENT
Natural Yard Care - Growing Oyster Mushrooms at Home
KCLS - Skyway
12601 76th Ave. S | Seattle, WA 98178
October 21, 2025
6:30 p.m. to 8:00 p.m.
Oyster mushrooms are easy to grow on your kitchen counter! Learn a little about the world of fungi including what benefits they have to a sustainable world. Make a kit to take home and sprout some you can eat!
EVENT
Wastemobile - Bothell/Woodinville (6)
University of Washington - Bothell Campus
18115 Campus Way NE | Bothell, WA 98011
October 24 - 26, 2025
10:00 a.m. to 5:00 p.m., daily
The Wastemobile travels to communities throughout King County to provide hazardous waste disposal for residents and eligible businesses. There is no fee for hazardous waste disposal. Please check the Wastemobile page for a list of accepted items, limits, and restrictions.
EVENT
Wastemobile - Carnation/Duvall
Tolt Macdonald Park
3600 Block of Tolt Ave | Carnation, WA 98014
November 1, 2025
10:00 a.m. to 5:00 p.m.
The Wastemobile travels to communities throughout King County to provide hazardous waste disposal for residents and eligible businesses. There is no fee for hazardous waste disposal. Please check the Wastemobile page for a list of accepted items, limits, and restrictions.
EVENT
Natural Yard Care -Microgreens
Upton Flats Apartments
6070 35th Ave SW | Seattle, WA 98126
November 4, 2025
11:00 a.m. to 1:00 p.m.
Microgreens are nutritious, delicious and easy to grow, even on a balcony or windowsill. Learn how with experts from the Garden Hotline.