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 Household Hazardous Waste Facility and HHW Collection Events.
For a full list of event locations, visit our calendar.
Every week there is a HHW collection event somewhere in Sonoma County.
Appointment: Appointment required. To make an appointment, download the following forms and fax to (707) 795-2071 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.
Event Hours: Tuesdays 4pm-8pm
Forms & fees: Paperwork required. $25 processing fee plus disposal fees based on type and quantity of waste. Download forms here:
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 a Community HHW Collection Events 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.
Types of EPA ID Numbers:
Recycling Guide HHW Disposal Page (PDF: 372 kB)
Despojo de productos tóxicos del hogar (PDF: 425 kB)
HazMobile events for northern Sonoma County (PDF: 15 KB)
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
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:
|Santa Rosa||(707) 543-3500|
|All other areas||(707) 565-1152|
7 - Guerneville
4 - Sonoma
11 - Healdsburg
18 - Santa Rosa, W
25 - Bodega Bay
2 - Rohnert Park
9 - Santa Rosa, E
16 - Boyes Hot Springs
23 - Cloverdale
30 - Rincon Valley
6 - Sebastopol
13 - Windsor
20 - Oakmont
27 - Sonoma
3 - Petaluma
10 - Santa Rosa, W
17 - Healdsburg
24 - Kenwood
1 - Larkfield
8 - Forestville
15 - Cloverdale
22 - Santa Rosa, E
29 - Cotati**CANCELLED**
5 - Sonoma
12 - Oakmont
19 - Guerneville
3 - Windsor
10 - Santa Rosa, W
17 - Petaluma