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Event: What’s Up With Coffin Butte Landfill?

Corvallis-Benton County Public Library - Meeting Room 645 NW Monroe, Corvallis, OR, United States

Shining a Light on the Issues

A golden oval filled with yellow purple and mauve silhouettes of people and a starburst behind them.

September 28, 7:00-8:45 pm

Corvallis-Benton County Public Library 

“Since World War II, the southern end of Coffin Butte in north Benton County, Oregon, has served as a
solid waste dump site in one form or another. Over time, the site has changed and grown – beginning as a rock quarry, then a U.S Army garbage dump/burn pile, Coffin Butte now serves as a full-scale regional
landfill serving dozens of communities in western Oregon and Washington. While the site has changed
and grown over time, Benton County has not adopted a plan for managing the site or the waste left there
over the decades.” - From Executive Summary, Benton County Talks Trash

In September 2022, “Benton County Talks Trash” kicked off an 8-month public workgroup process, forming five subcommittees to seek common understandings of the history, land use, legal issues, and future of solid waste at the landfill, and to develop a long-term sustainable materials management and community education plan. The result was the Benton County Talks Trash Solid Waste Process Report – a report including findings and recommendations to support decision-making about the future of solid waste in Benton County.

The League has invited six community members who served on the Benton County Talks Trash Subcommittees to share their perspectives.

  • What did they learn about the history of the landfill?
  • What were their findings and recommendations?
  • What lies ahead for dealing with waste in Benton County?


  • Catherine Biscoe - Introduction
  • Mark Yeager - History of Coffin Butte Landfill
  • Paul Nietfeld - Landfill Size, Capacity, and Longevity
  • Ed Pitera - Past Land Use Conditions
  • John Deuel - Sustainable Materials Management Plan
  • Mary Parmigiani - Community Education & Public Outreach

The goal of the League’s September program is to provide a basic overview of the Workgroup’s process, an opportunity to identify community concerns, and to outline Benton County’s future plans for waste management. (NOTE: The program will not be about landfill expansion.)

Don’t miss this important event!