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PUBLIC NOTICE | Proposed AZPDES Permit (AZ0026212) for the Central Tucson PFAS Project Demonstration Facility

Public Notice No. 20-66

Published in: Daily Territorial on May 10, 2021

AZPDES Permit No. AZ0026212

ADEQ proposes to issue an 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:


400 E. Congress St., Suite 433
Tucson, Arizona 85711

Facility Information

ADEQ applied for a new AZPDES permit for the proposed discharge of up to 0.58 million gallons per day (mgd) of treated groundwater from the Central Tucson PFAS Project Demonstration Facility to the Santa Cruz River in the Santa Cruz River Basin in Township 14 S, Range 14 E, Section 22, in Pima County, Arizona. The Central Tucson PFAS Project Demonstration Facility is a groundwater remediation facility in Tucson, Arizona. ADEQ is conducting the Central Tucson PFAS Project Pilot Test at a former Tucson Water production well site (C-007A) to prove long-term efficacy of ion exchange treatment for the removal of per and polyfluoroalkyl substances (PFAS) from impact groundwater.

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: May 10, 2021 – June 8, 2021

Comments may be submitted as follows:
     By Email | Send Email > 
     By Mail (Must be postmarked or received by June 8, 2021):

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

A public hearing request must include the reasons for such request.