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THE DIRT: Completion of priority cleanup activities in the Ninemile Basin

| March 18, 2025 1:07 AM

All priority cleanup activities in the East Fork Ninemile Basin have been successfully completed, marking a significant milestone in environmental cleanup efforts. The EFNM Waste Consolidation Area has reached capacity, and final closure activities are now underway. As this phase concludes, monitoring efforts will continue to assess the effectiveness of the remedial actions.

The Ninemile watershed, located near Wallace, spans approximately 12 square miles, with Ninemile Creek extending 7 miles from its confluence with the South Fork Coeur d’Alene River to the EFNM Creek headwaters. This area has been significantly impacted by historical mining activities dating back to the late 1800s, which introduced elevated metal concentrations into sediments, soil and water.

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