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Waste, Recycling & Safe Disposal

Environmental Health Services

Household Hazardous Waste (HHW) Program

Find free, safe disposal options for household hazardous items like paint, solvents, pesticides and cleaners in San Mateo County.

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Very Small Quantity Generator (VSQG) Program

Learn how businesses that produce small amounts of hazardous waste can safely dispose of it through the VSQG Program.

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Used Motor Oil & Filter Recycling Program

Find free and convenient options for recycling uncontaminated used motor oil and filters.

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Safe Medicine Disposal Ordinance

Learn about San Mateo County's ordinance requiring medicine manufacturers to fund and operate safe disposal programs for prescription and over-the-counter medications.

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Medicine Drop-off and Mail-Back Options

Find free drop-off kiosks and mail-back programs to safely dispose of unused or expired medications, including pills, liquids, creams, inhalers and injectors.

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Sharps Drop-off and Mail Back Options

Find free and safe ways to dispose of used needles and sharps through mail-back programs or drop-off locations in San Mateo County

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Reusable Bag Ordinance

Learn about San Mateo County’s Reusable Bag Ordinance, its environmental benefits and how to comply with regulations that reduce single-use bag waste.

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