HWMA's Household Hazardous Waste (HHW) program is open to businesses that are small quantity generators. 'Businesses' include landlords, nonprofits, & churches.

PLEASE NOTE: By law, all businesses must call ahead to make an appointment. To schedule an appointment call (707) 441-2005 or email:

Do I qualify?

If you produce less than 220 lbs or 27 gallons of hazardous waste per month you qualify for this program. If you produce more than this quantity, check with our staff for other options.

27 Gallon/220 Pound Volume Limit - Transportation law prohibits you from transporting more than 27 liquid gallons or 220 solid pounds of hazardous waste in your vehicle.

5 Gallon Size Container Limit - We can only accept containers that are up to 5 gallons in size. Is your container too big? Follow these tips:

  • Get containers that are 5-gallons in size, such as a paint bucket with a lid.
  • Transfer waste from your larger container into the smaller one. Use as many smaller containers as needed.

Call us at (707) 441-2005 or fill out the business appointment request form