Public Notice No. 18-55

Published in Sahuarita Sun on June 5, 2019

AZPDES Permit No. AZ0024597

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:

Permittee

ASARCO LLC Mission Complex
4201 W. Pima Mine Road
Sahuarita, AZ 85289

Facility Information

ASARCO LLC Mission Complex applied for a renewal AZPDES permit for the proposed discharge of stormwater mixed with mine process water and mine drainage from Outfall 003G, and 004I, and watershed drainages from an ephemeral wash with headwaters in the Sierrita Mountains to Outfall 007H. The discharge from the ASARCO Mission Complex to unnamed ephemeral tributaries of the Santa Cruz River (from Tubac Bridge to the Roger Road Waste Water Treatment Plant outfall) in the Santa Cruz River Basin in Township 17 S, Range 13 E, Section 10, in Pima County, Ariz.

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: June 5, 2019 – July 5, 2019

Comments may be submitted as follows:
     By Email | Send Email > 
     By Mail (Must be postmarked or received by July 5, 2019):

       ADEQ
       Jessica Kohls
       Water Quality Division
       1110 W. Washington Street
       Phoenix, AZ  85007