The HHW Facility will be closed to businesses during any shelter-in-place orders. Current orders extend through May 3, 2020.
Services are available for businesses that qualify as Conditionally Exempt Small Quantity Generators 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. These services are available for businesses that generate Household Hazardous Waste (HHW) only; no hazardous waste from manufacturers or large quantities will be accepted.
Please note that the HHW Facility will be closed December 21, 2020 – January 4, 2021.
There are also options for Sonoma County residents.
Located at the Central Disposal Site, the Household Toxics Facility is open for drop-off of hazardous waste from qualifying Sonoma County businesses.
Appointment: Appointment required. To make an appointment, download the following forms and fax (707-795-2071, fax) or email firstname.lastname@example.org and attach the completed questionnaire and inventory forms. If you have any questions, please call (707) 795-2025, option 2/ (877) 747-1870.
Appointment line staffed M-F from 8am to 2:30pm or leave a message.
Hours: Tuesdays & Wednesdays 8:30 am–1:30 pm
Location: Central Disposal Site (Bldg. 5) at 500 Mecham Road, Petaluma
Forms & fees:Paperwork required. $25 processing fee plus disposal fees based on type and quantity of waste. Download forms here:
Not accepted: Explosives or ammunition • Radioactive materials • Biological wastes • Sharps/syringes/needles • Pharmaceuticals • Compressed gas cylinders (BBQ and 1-pound propane cylinders okay) • Electronics (collected at Transfer Stations in e-waste drop-off areas)
Q. What is the process?
A. 1. Download Business Hazardous Waste Disposal Forms from this website.
2. Obtain an EPA Waste ID number (if needed).
3. Submit paperwork by fax or email to receive an appointment and pricing information.
Q. Will this program meet the disposal requirements of regulating agencies?
A. You will receive a receipt of disposal for your records that will satisfy regulatory disposal requirements. Receipts and all records should be kept for a minimum of three years.
Q. If my business generates more than 100 kilograms of one type of waste, but I have only 1 gallon of something else that my regular hauler won’t accept, can I bring it to this program?
A. You must generate less than 100 kilograms of all hazardous wastes to qualify to use this program.
Q. Does using this program mean my business will be inspected for hazardous waste?
A. The Sonoma County Waste Management Agency is not a regulatory agency.
Q. Who are the regulatory agencies for my business?
A. Contact the Certiﬁed Uniﬁed Program Agency (CUPA) for your area.
Recycling Guide Toxics Disposal Page (PDF: 465 KB)
Despojo de productos tóxicos del hogar (PDF: 453 KB)