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Public Notice
Water Quality

On Friday, Oct. 6, 2017, the public comment period begins for the decision to issue an addendum to the State 401 water quality certification for the Rosemont Copper Project (ADEQ LTF No. 55425). The addendum adds the Sonoita Creek Ranch Mitigation Project. 

View Public Notice/Related Documents > 

Comments may be submitted as follows:

     By Email | Send Email > 
     By Mail: (Must be postmarked or received by Nov. 20, 2017)

       Rosi Sherrill
       Surface Water Section Project Manager
       1110 W. Washington Street, MC5415A-1
       Phoenix, AZ  85007