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The Montana Department of Environmental Quality is charged with protecting a clean and healthy environment as guaranteed to our citizens by our State Constitution. The DEQ works to ensure the public interest is served while making efficient use of the funds entrusted to us. Our ultimate goal is to protect public health and to maintain Montana's high quality of life for current and future generations.

Featured News:

DEQ is accepting public comment on draft wastewater discharge permits for three Montana mining companies. Two Stillwater Mining Company sites are open for comment as is the proposed Rock Creek Mine (closes September 2, 2015) and the proposed Montanore Mine (comment extended until October 2, 2015). The Stillwater permits are updates to ongoing operations at platinum and palladium mines near Big Timber and Nye. One permit for the proposed Rock Creek Mine near Noxon is an update and the second is for a storm water discharge permit and forest road improvements as well as for a power line at the proposed underground copper and silver mine. Learn More

Director Tom Livers