Cedar Hills Regional Landfill community meetings

Background and purpose

The King County Solid Waste Division is committed to ongoing communication with households living near the Cedar Hills Regional Landfill. We host twice-yearly gatherings for the community to meet with our staff and BioEnergy Washington.

All meetings are open to the public. We share out meeting dates and information via:

• Direct mailings
• Notices on our website
• Email notifications

We provide accommodations for people with disabilities when requested at least one week in advance of the meeting. To make a request, call our customer service line at 206-477-4466; TTY Relay: 711.

We post meeting notes and presentation materials to this page following each event.

Presentation documents

Neighbor Survey
In February 2020, the Solid Waste Division conducted a community survey. The aim was to learn about the priorities, concerns and communication preferences of people living near the landfill.

• Presentation
• Results (text format)
• Results (chart format)

Landfill gas

• 2013 West Side Landfill Gas Recovery Well Installation and Influence Testing Report

Noise studies

• 2015 Noise Modeling Assessment Cedar Hills Regional Landfill

Follow up to the 2012 Noise Study.

• 2012 Detailed Perimeter Noise Study at Cedar Hills Regional Landfill Results from the noise study conducted in September/October 2012. Since then, we’ve completed more noise mitigation measures at the North Flare Station. This includes wrapping of piping and blowers.

• 2011 Preliminary Survey of Noise Levels in the Vicinity of Cedar Hills Regional Landfill

Site Development

• 2010 Cedar Hills Regional Landfill Site Development Plan
  This plan was unanimously approved by the King County Council in December 2010. It summarizes the preferred alternative for future development of the Cedar Hills Regional Landfill. See the Cedar Hills Development Project for the most recent site development plans.