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King County Washington home

News and events

Find the latest news stories, press releases, and upcoming event information from the Hazardous Waste Management Program.

Featured news

Cover image of the Haz Waste Program's 2025 Annual Report. The cover features a scenic photo of a river cutting through a mountainous woodland.
Get a glimpse of the Haz Waste Program’s work in the 2025 Annual Report
May 15, 2026
A mosaic art sign with illustrations of flowers and bees is framed by a wooden fence at the entrance of a garden.
Annual bee festival returns to West Seattle
May 12, 2026
People pose for a selfie in a long green house. A long, metal grated table with watering cans and seedling pots is in the middle.
Keep Earth Week going with these natural yard care tips
April 24, 2026
A person puts blackberry bush branches in a trash bag being held by another person.
Haz Waste staff celebrate Earth Day with Day of Service across King County
April 22, 2026
See All

Upcoming events schedule

EVENT

Free Workshop: Container Gardening 

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King County Library - Woodmont Library

26809 Pacific Hwy South | Des Moines, WA 98198

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May 20, 2026

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6:00 p.m. to 7:30 p.m.

 

Learn container gardening basics for small spaces. Get expert tips and take home a starter plant. 

Registration required.

 

 

Learn more

EVENT

Free Workshop: Pollinators and Beneficials

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King County Library - Skyway

12601 76th Avenue South  | Seattle, WA 98178

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May 20, 2026

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6:30 p.m. to 7:30 p.m.

 

Most insects have some beneficial effect, helping to manage plant-eating pests or pollinating flowering plants. Learn how to attract them to your garden.

 

Learn more

EVENT

Free Workshop: Growing Oyster Mushrooms at Home 

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King County Library - Kent 

212 2nd Avenue North  |  Kent, WA 98032

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May 23, 2026

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1:30 p.m. to 3:00 p.m.

Learn simple tricks to grow oyster mushrooms.  

Registration required.

 

 Learn more

 

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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May 29-31, 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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Free Workshop: Beaver Night at the Farm 

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Rainier Beach Urban Farm and Wetlands

5513 S. Cloverdale St. | Seattle, WA 98118


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May 29, 2026

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5:00 p.m. to 8:00 p.m. 

Come, see, look, and learn about beavers. Explore beaver activity, their habitat, and participate in hands-on activities. 

 

 

Learn more

EVENT

Free Community Event: 2026 Pollinator Fest

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21 Acres 

13701 NE 171st St. | Woodinville, WA 98072 


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May 30, 2026

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10:00 a.m. to 3:00 p.m. 

Looking for something the whole family will love? Come to the Pollinator Fest! There will be information about pollinators' role in keeping our gardens, plants, and food growing. Did we mention face painting, kids' activities, photo ops, and art displays?

Learn more


Go to events calendar