Skip to main content
close

KingCounty.gov is an official government website.

Official government websites use .gov
Website addresses ending in .gov belong to official government organizations in the United States.
Secure .gov websites use HTTPS
A lock or https:// means you've safely connected to the .gov website. Only share sensitive information on official, secure websites.
King County Logo

Drain cleaner

Disposal guidance for households

Accepted at hazardous waste collection sites

  • All containers must be 5 gallons or less
  • Total waste limit: 50 gallons per trip

Highlight Banner

Warning:

You can unblock a drain without using harsh chemicals. Pour 1/2 cup of baking soda and then 1/2 cup of white vinegar into the drain. Wait a few minutes and pour boiling water in the drain. Repeat if needed. 

Related Topics

Household product library

Find a full list of hazardous household products.

Household disposal

Hazardous waste disposal locations and services for residents.
expand_less