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Benton County commissioners reverse approval, deny Coffin Butte landfill expansion after DEQ enforcement notice
Summary
On March 3, 2026 the Benton County Board of Commissioners reversed its Nov. 17, 2025 approval and denied a conditional use permit to expand the Coffin Butte landfill (LU‑24‑027), citing a DEQ pre-enforcement notice identifying seven Class 1 violations and staff findings that the applicant’s odor analysis was unreliable.
Benton County’s Board of Commissioners on March 3, 2026 voted to reverse its Nov. 17, 2025 decision and deny a conditional use permit to expand the Coffin Butte landfill, concluding the applicant did not meet its burden of proof in the record.
The board adopted the 02/24/2026 staff report and the board’s findings and conclusions as its final decision. Chair Malone said the written findings were adopted on the date of the vote and the decision may be appealed to the Land Use Board of Appeals.
The staff report, presented by contract planner Jesse Winter of Winterbrook Planning, said a Department of Environmental Quality…
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