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Agency staffing is limited due to the quickly evolving situation with COVID-19. We ask for your patience in returning emails and phone calls at this time. Certain programs and events held by the Agency and our partners are canceled. Please go to this page for the most recent updates.

COVID-19 Information

Most HHW operations are back to the normal schedule. Scroll down to view the COVID protocols that are required by participants. Some HHW Events may be canceled by the venues; please check the schedule for current information.

During the COVID-19 pandemic, please allow for extra wait time as participation has increased significantly.

For questions, call the office at (707) 795-2025; cell phone at (707) 364-6927; or toll-free at (877) 747-1870 option 3; or email toxicsdisposal@cleanharbors.com.

Household Hazardous Waste Facility for Residents

Located at the Central Disposal Site, the Household Hazardous Waste (HHW) Facility is open every week for free drop-off of hazardous waste from Sonoma County residents. To help you determine what is considered HHW, visit this page for a list of common types of HHW found in the home. Bring your ID to prove residency.

Appointment: Not required

Hours: Thursday, Friday & Saturday, 7:30A -2:30P

Location: Central Disposal Site (Bldg. 5), 500 Mecham Rd., Petaluma

Please note that the HHW Facility will be closed December 21, 2020 – January 4, 2021.

Facility is also closed on the following holidays:

  • New Years Day
  • July 4th
  • Labor Day
  • Thanksgiving Day
  • Christmas Day


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Directions:

  • Take Hwy. 101 to the Cotati off-ramp
  • Take Hwy. 116 west toward Sebastopol
  • Left on Stony Point S.
  • Right on Mecham Rd.
  • The Central Disposal Site is located on the right.
  • Get Directions »
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Accepted Items: Please visit the Common Examples of HHW page for the types of materials accepted as HHW.

Transportation & Packing Guidelines: State transportation laws limit each vehicle to a maximum of 15 gallons of liquid (with a maximum of 5 gallons per container) or 125 pounds of solid material • Never mix chemicals • Place in sealed containers in the trunk, packed to prevent spills • Sharps/needles must be in a sealed and labeled approved container.

Not accepted: Explosives or ammunition • Radioactive materials • Biological wastes (except syringes) • Controlled substances • Electronics (collected at Transfer Stations in e-waste drop-off areas) • Compressed gas cylinders (BBQ and 1-pound propane cylinders okay) • Pressure treated wood or treated wood waste (TWW)

No illegal dumping at the Household Hazardous Waste Facility. Unlawful dumping or depositing of hazardous waste is prohibited by law, California Penal Code Section, 374.8 (B), punishable by imprisonment or fines up to $10,000.

Is your HHW from commercial activities? Services are available for businesses that qualify as Very Small Quantity Generators (VSQGs) per regulations (CCR Title 22 §66260.10), which are businesses that generate 100 kilograms (27 gallons liquid or 220 pounds solid) or less of hazardous waste per month. The Agency offers two options: the HHW Facility and HHW Collection Events. Appointments are required and fees apply. Visit the commercial HHW pages for more information.

OTHER HHW PROGRAM OPTIONS

HHW Collection Events: Every Tuesday from 4-8 pm, there is an HHW collection event somewhere in Sonoma County. Appointments are required for participation and exact locations will be provided after you make your appointment. A full schedule and more information can be found on the HHW Collection Event page.

HHW Rover Service: Have your household hazardous waste picked up at your home. Services are provided on a first-come-first-serve basis. Each Wednesday the HHW Rover serves a different region of Sonoma County. Allow several weeks’ advance notice. Visit the HHW Rover page for more information.

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HHW Reuse Area

Reusing products is environmentally preferred over recycling or disposing. Help the environment and your wallet by visiting our HHW Reuse Area!

The Household Hazardous Waste Facility includes a reuse locker where new and nearly new products that have been discarded at the HHW Facility are made available to the public at no cost. Find items such as cleaning products, automotive products, or paint for free!

The reuse locker is open during regular HHW Facility hours and products are available on a first come, first served basis. Product availability varies.

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Need paint?

The reuse locker has a wide selection of paint colors and can sizes. If you can't find enough of the same color, ask the facility staff for one of our special 5-gallon buckets of blended paint!

Latex paint that is collected through the HHW Facility is remixed into 5-gallon buckets and then offered in four standard colors:

  • Off-white
  • Tan
  • Light grey
  • Light green

Recycled paint is given away for free to residents or businesses on a first come, first served basis.

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DOWNLOAD RESOURCES

The following resources are provided in English and Spanish language. Click on the image to download the .pdf Visit Downloads & Graphics to download the complete 24-page Zero Waste Guide 2020-21

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Download .pdf

Thumbnail 4 HHW Spanish

Download .pdf