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Home >> Business Hazardous Waste >> No-Charge Business Hazardous Waste Disposal

Is your business eligible?

If so, fill out the online form or download the PDF (82 KB)

Get more info on services

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Questions? 206-263-8899

Business Waste Line or toll free at 800-325-6165, ext. 3-8899
Monday – Friday, 9 a.m. to 4 p.m., closed noon -1 p.m. and holidays.

No-Charge* Business Hazardous Waste Disposal

Is my business eligible?

To qualify your business must be

  • located in King County (this includes all cities and unincorporated areas – as well as all of Bothell, Pacific and Auburn, and
  • a Small Quantity Generator (SQG).

What is a Small Quantity Generator SQG?

It is a business that

  • produces less than 220 lbs. of hazardous waste per month
  • produces less than 2.2 lbs. of acutely hazardous waste** per month, and
  • stores less than 2,200 lbs. of hazardous waste

Find more information on rules for SQGs.

How often can your business use this service?

Your business can visit a maximum of four times a year. Call 206-263-8899 or e-mail if you need to dispose of your waste more often than this or for more options.

You cannot use this service if you

  • produce more than 220lbs. of hazardous waste per month
  • produce more than 2.2 lbs. of extremely hazardous waste** per month
  • store more than 2,200 lbs. of hazardous waste
  • have regular pick-ups by a contracted vendor

This service is designed primarily for occasional generators of hazardous waste. Routine generators should manage their hazardous wastes via private hazardous waste management firms.

Call (206) 263-8899 if you are not sure if you qualify.

What wastes can I bring?

Some common wastes are hazardous and do not go in the garbage or down drains. Find out what wastes you can bring to a hazardous waste collection site.

Where do I take my wastes?

Find disposal locations here.

Laboratory Chemicals

Laboratory chemicals must be approved by Program staff before you bring them to a facility for disposal. Call (206) 263-8899 for details.

Next step:

  • complete this online form, print 2 copies and bring to disposal facility with your hazardous waste


  • download the PDF form, print 2 completed, signed copies and bring them to a disposal facility with your hazardous waste.

Call 206-263-8899 if you have any questions.

May I hire a hauler to take my wastes to the facility?

Yes, you may use a hauler. But we prefer that the business owner/manager or a company employee bring the waste themselves.

Do you have unwanted but still useful products?

Container size and quantity limits

  • No more than 25 gallons (max 220 pounds) of hazardous waste per visit
  • Containers must be 5 gallons or less and weigh less than 60 pounds each
  • All containers regardless of contents are counted as full.

Call 206-263-8899 if you have more than these limits. We reserve the right to refuse any waste at our facilities.


*A fee charged on garbage/water/sewer bills funds the business hazardous waste disposal program. There is no additional fee to dispose of your hazardous waste materials through this program. 

** Laboratories, medical facilities, pest control operators and other businesses that work with highly toxic or reactive chemicals (called “acutely hazardous wastes”) may produce wastes with a monthly SQG limit of 2.2 pounds. Call the business waste line (206-263-8899) for help or check the “P” list of discarded chemical products