On March 9, 2022, the public comment period begins for the renewal of Arizona Pollutant Discharge Elimination System (AZPDES) permit (AZ0020389) coverage to Resolution Copper Mining, LLC for Superior Mine in Pinal County. The public comment period ends May 31, 2022.
Public Notice/Related Documents | View >
Comments may be submitted as follows:
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By Mail: (Must be postmarked or received by May 31, 2022)
Water Quality Division
1110 W. Washington St.
Phoenix, AZ 85007
At Virtual Public Hearing: April 11, 2022 at 6 p.m. | View Hearing Information >