The Montana Department of Environmental Quality (DEQ) will assume Operations and Maintenance (O&M) responsibilities from the Environmental Protection Agency (EPA) for Operable Units 4 and 7 at the Libby Superfund Site on July 1, 2020.

Revised Remedy Evaluation Report – Part One, Units 1&2 Stage I and II Evaporation Ponds

The Montana Department of Environmental Quality has issued its initial, Increment #1, reclamation bond determination for the Development Phase 1 activities proposed by Tintina Montana, Inc., on the Black Butte Copper Project.

The Montana Department of Environmental Quality has issued its Record of Decision for the permit applications submitted by Tintina Montana, Inc., for the Black Butte Copper Project.

DEQ Issues Final Environmental Impact Statement; DNRC Issues Preliminary Determinations on Water Permit and Water Right Applications