PUBLIC NOTICE & PUBLIC HEARING | Proposed New AZPDES Permit for the Tucson Airport Area Remediation Project Water Treatment Plant

Public Notice No. 21-14

Published in: Daily Territorial on Sept. 3, 2021
Comment period extension published in: Daily Territorial on Sept. 17, 2021

AZPDES Permit No. AZ0026417

ADEQ proposes to issue a new 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:


Tucson Water
4401 S. Tucson Estates Parkway
Tucson, AZ 85735

Facility Information

Tucson Water applied for a new AZPDES permit for the proposed discharge of up to 10.2 million gallons per day (mgd) of treated groundwater from the Tucson Airport Area Remediation Project (TARP) Water Treatment Plant (WTP) to the Santa Cruz River in the Santa Cruz River Basin in Township 14 S, Range 13 E, Section 35, in Pima County, Arizona. The TARP WTP is a groundwater remediation facility in Tucson, Arizona. Tucson Water has operated the TARP WTP since September 1994, delivering treated groundwater to the Municipal drinking water system. Future operation will include delivery of water to the City of Tucson Recycled Water system for non-potable uses and to the Santa Cruz River for managed recharge.

Review Documents

Published Public Notice Extension | 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. 3, 2021 – Oct. 19, 2021

Comments may be submitted as follows:
     By Email | Send Email > 
     By Mail (Must be postmarked or received by Oct. 19, 2021):

       Swathi Kasanneni
       Water Quality Division
       1110 W. Washington St.
       Phoenix, AZ  85007

Public Hearing

Date: Tuesday, Oct. 19, 2021
Time: 6 p.m.
Location: Online (or by phone) via GoToWebinar
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