The Buckhorn Mine began closure without an approved closure plan.
September
Crown/Kinross submitted a draft closure plan.
November
Ecology issued Notice of Violation (NOV) #15562 for water quality-related violations.
May
Ecology approved the Crown/Kinross Hydrologic Closure Plan, even though it lacked basic details related to monitoring, benchmarks, and thresholds for assessing the effectiveness of water quality protections.
July
The new upgraded Mine Water Treatment Plant (MWTP) came fully online to begin recirculation treatment (after many months without a water treatment plant).
