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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) 

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UW Bothell Campus

18115 Campus Way NE | Bothell, WA 98011

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April 17-19, 2026

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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.

 

Learn more

EVENT

Free Workshop: Bird Lovers Day at the Ballard Locks 

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Ballard Locks

3015 NW 54th Street  | Seattle, WA 98107

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April 18, 2026

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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. 


 

Learn more

EVENT

Maple Valley Earth Day Fair-Free lead testing + Hazardous Waste Collection

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Lake Wilderness Arboretum

22520 SE 248th St.  | Maple Valley, WA 98038

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April 18, 2026

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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.

 

Learn more

EVENT

Free Workshop: Seed Starting 101  

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King County Library - Kent Panther Lake

20500 108th Avenue SE | Kent, WA 98031

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April 18, 2026

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2:00 p.m. to 3:30 p.m. 

 


Learn the basics of seed starting in pots, trays, or directly in garden beds, and about what they need to thrive. Participants will learn about soil choices, seed options, and places to find them, as well as a few tips on saving seeds for next year.

Registration required.  

Learn more

 

EVENT

Free Ceremony - Black Panther Park Ribbon Cutting 

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Black Panther Park

75th Avenue South and Renton Ave S | Seattle, WA 98178

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April 19, 2026

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11:00 a.m. to 3:00 p.m. 


Come celebrate the grand opening of the new park. Visitors will enjoy the new features of the park, including raised garden beds, the community pantry, and the lending library. The groundbreaking ceremony will share the rich culture of Skyway and provide a safe space for residents and future generations. 

 

Learn more

EVENT

Free Household Hazardous Waste Collection - Redmond (Wastemobile) 

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The Home Depot

17777 NE 76th Street | Redmond, WA 98052 

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May 1-3, 2026

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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.

 

Learn more


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