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Hazardous Waste Management Program

Information about the Hazardous Waste Management Program in King County, as well as resources and information for residents and businesses in King County.

Service Alert: Due to flooding in the area, the Auburn Wastemobile scheduled for this weekend (Dec. 20-21) is cancelled. The Auburn Wastemobile will also be closed Dec. 27–28 and Jan. 3-4, 2026 for the holidays. The next Auburn Wastemobile events will be held January 10-11, 2026. All other King County hazardous waste collection sites will maintain operating hours as scheduled.

What's the problem with hazardous waste?

Many products we use every day—like cleaning supplies, varnish, motor oil, oil-based paints, and pesticides—contain ingredients that are toxic, corrosive, flammable, or reactive. These products are considered hazardous because they can threaten the environment and our health.

Though the amount of hazardous waste coming from a single house or business may be small, the total amount from 2.1 million residents and more than 60,000 small businesses in King County can harm public health and the environment if not properly managed.

We deliver services focused on...

collection,

A teal trashcan icon with dark green stripes

We provide convenient hazardous waste collection services for residents and businesses in King County.

prevention,

A teal home icon with one door and a dark green plant icon coming out of the roof

We offer education, assistance and incentives to reduce toxic material exposures where people live and work.

and policy.

A teal checklist icon with three boxes and three lines and a dark green checkmark inside of a circle overlaid

We promote systemic changes in the production, use, and disposal of hazardous materials.

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