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PUBLIC NOTICE | Proposed Renewal of AZPDES Permit (AZ0024350) Coverage for Freeport-McMoRan Miami, Inc., Pinal Creek Project

Public Notice No. 19-12

Published in Arizona Silver Belt on Sept. 11, 2019

AZPDES Permit No. AZ0024350

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


Freeport-McMoRan Miami, Inc., Pinal Creek Project
P.O. Box 1270
Claypool, AZ 85532

Facility Information

Freeport-McMoRan Miami, Inc., Pinal Creek Project applied for a renewal AZPDES permit for the proposed discharge of up to 9.36 million gallons per day (mgd) of treated groundwater from the Lower Pinal Creek Water Treatment Plant (LPCWTP) to Pinal Creek, tributary to the Salt River in the Salt River Basin in Township 2 N, Range 15 E, Section 18, in Gila County, Arizona. The LPCWTP is operated as a remedial action at the Pinal Creek Water Quality Assurance Revolving Fund (WQARF) site.

Review Documents

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

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

Public Comment Period 

Dates: Sept. 11, 2019 – Oct. 10, 2019

Comments may be submitted as follows:
     By Email | Send Email > 
     By Mail (Must be postmarked or received by Oct. 10, 2019):

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