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PUBLIC NOTICE & PUBLIC HEARING | COMMENT PERIOD EXTENDED | Proposed Modification of AZPDES Permit (AZ0026387) for Arizona Minerals Inc.

Public Notice No. 20-42 & 20-45

Published in: Nogales International on Feb. 5, 2021 & Feb. 26, 2021

AZPDES Permit No. AZ0026387

ADEQ proposes to modify an Arizona Pollutant Discharge Elimination System (AZPDES) permit to discharge pollutants to Waters of the United States to the following applicant, subject to certain effluent limitations and special conditions:


Arizona Minerals Inc.
2210 E. Fort Lowell Road
Tucson, AZ 85719

Facility Information

Arizona Minerals Inc. applied for a major modification to the AZPDES permit for the addition of Outfall 002 with the proposed discharge of up to 6.48 million gallons per day (mgd) of treated mine drainage water, tailings seepage, groundwater, core cutting water, drilling water, and stormwater from the January Mine Hermosa Project Water Treatment Plant 2 to Harshaw Creek in the Santa Cruz River Basin in Township 23 S, Range 16 E, Section 4, in Santa Cruz County, Arizona.

The draft permit and statement of basis were published in the Nogales International on Feb. 5, 2021, and a virtual public hearing was held on Feb. 25, 2021. Due to comments received, ADEQ is extending the public comment period by 30 days and will be conducting a second public hearing.

Review Documents

Notice of Comment Period Extension | View/Print >
Original Published Public Notice | View/Print > 
Draft Permit | View > 
Draft Statement of Basis | View >

You may also review the above documentation in person at the ADEQ Record Center | Learn How >

Public Comment Period 

Dates: Feb. 5, 2021 – April 7, 2021

Comments may be submitted as follows:
     By Email | Send Email > 
     By Mail (Must be postmarked or received by April 7, 2021):

       Devin McAllister
       Water Quality Division
       1110 W. Washington Street
       Phoenix, AZ  85007

     At the Virtual Public Hearing
        Date: April 1, 2021
        Time: 6 p.m.
        Location: Via GoToWebinar | Register >