Benton County Commissioners Reject Coffin Butte Landfill Expansion

Why This Matters

Mar 04, 2026

Why This Matters for Corvallis Residents

The decision to block the expansion of the Coffin Butte Landfill could have several direct impacts on people living in Corvallis and the surrounding Benton County area.

Environmental concerns:
Many residents and environmental groups argued the expansion could increase risks to local groundwater, air quality, and nearby farmland in the Willamette Valley. By denying the expansion, commissioners signaled that those environmental concerns should weigh heavily in future decisions about the landfill.

Local traffic and noise:
Coffin Butte receives garbage from multiple counties across western Oregon, meaning hundreds of garbage trucks travel to the site each week. Opponents of the expansion said a larger landfill would likely increase truck traffic on local highways and rural roads around Corvallis.

Long-term waste planning:
With expansion off the table for now, Benton County and regional partners may face new pressure to improve recycling, composting, and waste-reduction programs to manage future trash volumes. Some local leaders say the decision could push the region to rethink how it handles waste over the coming decades.

A major local policy shift:
The vote represents a significant reversal by Benton County commissioners and a major win for residents and advocacy groups who have fought the expansion for years.

What Happens Next?

Even though Benton County commissioners denied the expansion, the story may not be over yet.

Possible appeal:
Republic Services, the Phoenix-based company that operates the Coffin Butte Landfill, could appeal the decision to the Oregon Land Use Board of Appeals (LUBA). That process would allow the company to challenge whether the county applied land-use law correctly in denying the project.

Landfill lifespan questions:
Without expansion, Coffin Butte will eventually reach its permitted capacity. While the landfill is expected to continue operating for years under its current permit, the denial raises long-term questions about where future waste from Benton County and surrounding areas will go.

Regional waste planning:
Because Coffin Butte serves a large portion of western Oregon, the decision could push local governments and waste agencies to look more closely at recycling rates, composting programs, and potential alternative disposal options.

Community attention remains high:
The landfill has been one of the most debated environmental and land-use issues in Benton County in recent years. With the expansion now denied, residents, environmental groups, and local officials will likely continue watching closely to see whether the company appeals — and how the region plans for its waste future.

The Coffin Butte Landfill, located north of Corvallis, is a regional waste disposal facility that receives trash from multiple counties in western Oregon. The proposed expansion would have added additional landfill area and extended the site’s operational life.

Republic Services has indicated it is reviewing its options and could still appeal the decision to the Oregon Land Use Board of Appeals.

For now, the commissioners’ vote brings a significant chapter in the long-running landfill debate to a close, with many local residents and environmental groups welcoming the reversal.

https://coffinbuttelandfill.com/drop-off-information/