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No-Charge Business Hazardous Waste Disposal

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

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

The collection sites are not designed to accept high grade laboratory waste or potentially explosive compounds. Laboratory chemicals MUST be approved by Program staff before you bring them to a facility for disposal.

To obtain approval email a list of your laboratory chemical (including the chemical names, concentrations and volumes) to

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