Skip to main content
Many King County facilities are closed to the public. Learn how to access services remotely or while following social distancing guidelines.  
King County logo

The King County Solid Waste Division contracts with renewable energy company INGENCO external link – doing business as Bio Energy (Washington) LLC, (BEW) external link – to generate renewable energy from landfill gas produced by decomposing organic material at the Cedar Hills Regional Landfill.

infographic of landfill gas-to-energy at Cedar Hills


Bio Energy Washington
If you have any questions or comments about BEW’s landfill gas processing facility or would like to schedule a facility tour, call the BEW comment line at 425-392-3918 or visit the BEW website external link .

King County Solid Waste Division
If you have questions or comments about the operation of the Cedar Hills Regional Landfill, or would like a tour of the landfill, call 206-477-4466, Monday through Friday, 8:30 a.m. to 4:30 p.m., or use our online comment form.

Contact Us

 Call: 206-477-4466

TTY Relay: 711

Fax: 206-296-0197

King County Solid Waste Division mission: Waste Prevention, Resource Recovery, Waste Disposal