Hazardous Waste Facility

Monday - Friday: 8:00 am - 4:00 pm By Appointment
Saturday: 8:00 am - 2:00 pm First Saturday of the Month
Sunday: Closed
Currently closed

Collections are held the first Saturday of every month from 9:00am to 2:00pm. Appointments are available Monday through Friday 9am-3:30pm, call (707) 441-2005 for availability. 

If you are a business please click here.


Pharmecuticals, wether perscription or over the counter will no longer be accepted at any of HWMA's facilities. There are several convenient locations throughout the County where they can be dropped off at no charge. Please see our Sharps and Medications Disposal flyer here for more info. 

What is Not Accepted
  • Ammunition 
  • Explosives 
  • Pharmecuticals
  • Radioactive Waste
  • Biological Waste
  • Medical Waste