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Businesses with Hazardous, Universal, & Electronic Waste

The IWMA has programs to help businesses manage their hazardous and universal waste. State and Federal laws govern these programs and restrictions apply.

To dispose of hazardous waste, universal, and/or electronic waste please fill out the form below. If you qualify to participate in the program, the approved form will be emailed back to you with instructions to bring the inventoried waste to one of the following sites listed below.

Please Note:

  • The IWMA is not a regulatory agency and cannot advise you regarding hazardous waste regulations or your current status as a Conditionally Exempt Small Quantity Generator (CESQG). 
  • If you are unsure if the business is a CESQG or if you have questions about hazardous waste regulations, please call County Environmental Health at (805) 781-5544 for further information.
  • The IWMA reserves the right to provide information to County Environmental Health to verify your compliance with CESQG regulations.

 CESQG (Hazardous Waste) for Businesses:

  • Businesses are permitted to dispose of up to 27 gallons or 220 pounds of hazardous waste per calendar month.
  • A $25 Minimum Charge Applies.  
  • This form requires an EPA ID Number.  If you do not have an EPA ID Number, please contact the Environmental Protection Agency (EPA) at  1 (800) 618-6942.

 Universal Waste & E-Waste for Businesses:

  • Universal waste includes: household batteries, fluorescent lamps, sodium/metal hydride/halogen bulbs, used motor oil, and latex paint.
  • E-waste includes microwaves, solar panels, cell phones, printers, CRTs, flatscreens, etc. 





After Your Form Has Been Approved

Once your form is approved, you will receive a separate email with an invoice. The IWMA is currently only accepting checks. Please drop it off or mail it to our office at 870 Osos Street, San Luis Obispo, CA. 93401. 

Bring the inventoried waste form to the approved location at your appointment date and time, which will be one of the locations listed below. 

Approved Locations 

Chicago Grade Landfill
2290 Homestead Road, Templeton, CA
Hours: Thursday 1 pm - 3 pm
Map & Directions

Cold Canyon Landfill Household Hazardous Waste Facility
2268 Carpenter Canyon Road, San Luis Obispo, CA
Hours: Wednesdays 9 am - 12pm
Map & Directions

Morro Bay Household Hazardous Waste Facility
160 Atascadero Road, Morro Bay, CA
Hours: Fridays 9 am - 11 am
Map & Directions

Nipomo Household Hazardous Waste Facility
509 Southland Street, Nipomo, CA
Hours: Fridays 1 pm - 3 pm
Map & Directions

Paso Robles Landfill
9000 CA Hwy. 46 East, Paso Robles, CA
Hours: Thursdays 9 am - 11 am
Map & Directions

If you have any questions or concerns, please feel free to contact us at (805) 782-8530.

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