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County Composting Facility

Boulder County Composting Facility

Boulder County is currently proposing to design and construct a countywide composting facility at the old Rainbow Nursery, which is located on the east side of US Highway 287 just south of CO Highway 52 (map below). The project is currently in its preliminary stages and consultants were selected in July to provide facility designs and specifications that will be vetted by Boulder County, elected officials, facility stakeholders, area neighbors, and county residents. We anticipate beginning a robust community outreach and engagement plan in the fall of 2020 when preliminary facility designs are available for review and comment.


The County Compost Processing Facility is a top priority for Zero Waste infrastructure need and will support the Board of County Commissioners’ Climate Action strategic priority, the Zero Waste Action Plan, the Environmental Sustainability Plan, and components of the Boulder Valley Comprehensive Plan. The creation and implementation of the compost facility will help achieve our goal of Zero Waste or Darn Near by 2025 by capturing 20 to 30 percent of compostable county waste and increasing landfill diversion by five to 10 percent. The compost generated will be provided for area agricultural uses, which will help increase local, sustainable food production.

Funding for design and construction is being provided by the Sustainability Tax, which was approved by 70 percent of Boulder County voters in 2016.

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Community engagement and participation is invaluable. With your help, we’ll create a facility that sets an example for other cities and counties and help achieve our own waste diversion goals.

Questions/Comments

Project Contact

For more information, contact Andrew Barth, Public Works Communications, at 303-441-1032 or via email.