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Public Notice
Water Quality

On Nov. 8, 2022, the public comment period begins for the proposal to issue Arizona Pollutant Discharge Elimination System (AZPDES) renewal permit number AZ0026387 to Arizona Minerals Inc. for the January Mine Hermosa Project Water Treatment Plant located in Patagonia, Arizona. The comment period ends Dec. 14, 2022.

Public Notice Information

Public Notice No. 22-27

Published in: Nogales International on Nov. 8, 2022

AZPDES Permit No. AZ0026387

ADEQ proposes to issue an AZPDES renewal 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 renewal of their AZPDES permit authorizing discharge of up to 0.172 million gallons per day (mgd) of treated mine drainage water, stormwater, and tailings seepage from the January Mine Hermosa Project Water Treatment Plant 1 (WTP1) to Alum Gulch and up to 6.48 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 (WTP2) to Harshaw Creek. The receiving waters are in the Santa Cruz River Basin in Township 23 S, Range 16 E, Section 4 and 5 in Santa Cruz County, Arizona.

Review Documents

Original Published Public Notice | View/Download > 
Draft Permit | View/Download > 
Draft Fact Sheet | View/Download >

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

Public Comment Period 

Dates: Nov. 8, 2022 – Dec. 14, 2022

Comments may be submitted as follows:
     By Email | Send Email > 
     By Mail (Must be postmarked or received by Dec. 14, 2022):

       Rachel Heinz
       Water Quality Division
       1110 W. Washington St.
       Phoenix, AZ  85007

     At Virtual Public Hearing | Dec. 12, 2022, 6 p.m. | View Hearing & Registration Information >