Business program at the Household Hazardous Waste (HHW) Facility
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 to (707) 795-2071 or email email@example.com and attach the completed questionnaire and inventory forms. If you have any questions, please call the office at (707) 795-2025, cell phone at (707) 364-6927, or toll-free at (877) 747-1870 option 2. Appointment line staffed M-F from 8am to 2:30pm or leave a message. During the COVID-19 pandemic, please allow for extra wait time as participation has increased significantly.
Appointment line staffed M-F from 8:00A to 2:30P or leave a message.
Hours: T-W 8:30A–1:30P
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.
- California EPA ID Number Required
State law requires hazardous waste generators to have an EPA Identification Number. All participants of the Business Hazardous Waste Program MUST HAVE an EPA Identification Number to transport hazardous waste to the Household Toxics Facility for disposal. If all you have is latex paint and/or Universal Waste (Fluorescent tubes/bulbs and other mercury-containing lamps, household batteries, rechargeable batteries, button batteries, thermostats, thermometers, non-empty aerosol cans) you do not need an EPA ID number.
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) • Pressure treated wood or treated wood waste (TWW)