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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
Free Household Hazardous Waste Collection - Bothell/Woodinville (Wastemobile)
UW Bothell Campus
18115 Campus Way NE | Bothell, WA 98011
April 17-19, 2026
10:00 a.m. to 5:00 p.m., daily
Safely dispose of household hazardous waste like batteries, oil, and pesticides at our mobile collection event, free for King County residents, no appointment needed.
EVENT
Free Workshop: Bird Lovers Day at the Ballard Locks
Ballard Locks
3015 NW 54th Street | Seattle, WA 98107
April 18, 2026
9:00 a.m. to 1:00 p.m.
Learn about gardening to attract and host birds in your garden. Participants will observe herons and take a bird tour.
EVENT
Maple Valley Earth Day Fair-Free lead testing + Hazardous Waste Collection
Lake Wilderness Arboretum
22520 SE 248th St. | Maple Valley, WA 98038
April 18, 2026
10:00 a.m. to 2:00 p.m.
Visit this community event to get free lead testing, safely dispose of hazardous waste, and learn simple ways to reduce toxic chemicals at home.
EVENT
Free Workshop: Seed Starting 101
King County Library - Kent Panther Lake
20500 108th Avenue SE | Kent, WA 98031
April 18, 2026
2:00 p.m. to 3:30 p.m.
Discover the basics of how to get seeds started successfully and learn about soil choices, seed options, and what they need to thrive.
Registration required.
EVENT
Free Ceremony - Black Panther Park Ribbon Cutting
Black Panther Park
75th Avenue S and Renton Ave S | Seattle, WA 98178
April 19, 2026
11:00 a.m. to 3:00 p.m.
Celebrate the grand opening of Black Panther Park in Skyway and enjoy the new features of the park including raised garden beds, the community pantry, and the lending library.
EVENT
Free Household Hazardous Waste Collection - Redmond (Wastemobile)
The Home Depot
17777 NE 76th Street | Redmond, WA 98052
May 1-3, 2026
10:00 a.m. to 5:00 p.m., daily
Safely dispose of household hazardous waste like batteries, oil, and pesticides at our mobile collection event, free for King County residents, no appointment needed.
Go to events calendar