PUBLIC NOTICE | Preliminary Decision to Issue a State Water Quality Certification to Freeport McMoRan Sierrita Inc.

Published pn: Wednesday, Sept. 7, 2016

Notice Read the Following: Pursuant to the Clean Water Act (CWA) Section 401 and in accordance with Arizona Administrative Code R18-1-401, the Director of ADEQ intends to issue a conditional State 401 water quality certification for a U.S. Army Corps of Engineers (CoE) CWA 404 Individual Permit to the following applicant:

Facility Name: 
Freeport McMoRan Sierrita Inc
Diana Kelts, Chief Environmental Engineer
6200 W. Duval Mine Road
Green Valley, AZ 85614

Project Name: Sierrita Stockpile Extension

Project Location: In Demetrie Wash, West of I-19 in Green Valley

CoE Public Notice/Application No.: SPL-2011-00160-MWL
LTF No.: 64499

Review Documents

Original Published Public Notice | View/Print >
Clean Water Act Section 401 Water Quality Certification View >

Public Comment Period 

Dates: Sept. 7, 2016  Oct. 5, 2016

Comments may be submitted as follows:
     By Email | Send Email > 
     By Mail (Must be postmarked by Oct. 5, 2016):

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

You may also review the above documentation in person at the ADEQ Record Center, Monday  Friday, 8:30 a.m.  4:30 p.m., by calling 602-771-4380 or by emailing Please contact the Record Center 48 hours in advance to schedule a file review appointment.