DEQ Issues Response to Latest Mine Application Submittal -

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DEQ Issues Response to Latest Mine Application Submittal

Thursday, June 8, 2017/Categories: Department of Environmental Quality/Tags:

HELENA – The Montana Department of Environmental Quality today issued a deficiency letter responding to Tintina Montana’s latest permit application for the Black Butte Copper Project. The response outlines information DEQ will need to make a final determination on the permit application.


Tintina Montana originally submitted its application for a mining permit in December 2015. DEQ responded to the application in March 2016, outlining the need for complete data on geochemical and hydrology information. Tintina provided follow-up information in September 2016 and DEQ issued a response letter in December of 2016. Tintina responded this May with more complete information related to their geochemical testing and hydrologic modeling.


“Our letter has some specific questions seeking clarification and elaboration on technical details,” said DEQ Director Tom Livers. Livers explained that any complex application, such as for a new mine, is an iterative process.


The remaining information outlined in the response is related to identifying conceptual locations for hydrologic barriers, completing permit applications for other related permits, and clarifying minor items such as timing and location of specific infrastructure. 


When the application is complete, DEQ will conduct an extensive environmental review and will prepare an Environmental Impact Statement with several opportunities for public comment.


The letter is posted to the DEQ’s website at:


For questions or to arrange an interview, please contact Kristi Ponozzo, Public Policy Director, Department of Environmental Quality, 406-444-2813 or by email at: 


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