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PUBLIC NOTICE | Proposed Renewal of AZPDES Permit (AZ0020559) Coverage to the City of Phoenix 23rd Avenue WWTP

Public Notice No. 18-54

Published in Arizona Business Gazette on June 6, 2019

AZPDES Permit No. AZ0020559

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:


City of Phoenix – 23rd Avenue WWTP
2470 S. 22nd Ave.
Phoenix, AZ 85009

Facility Information

The City of Phoenix applied for a renewal AZPDES permit for the proposed discharge of up to 63 million gallons per day (mgd) of treated domestic wastewater from the 23rd Avenue Wastewater Treatment Plant (WWTP) to the Salt River (Outfall 002) and the Roosevelt Irrigation District (RID) Canal System (Outfall 004) in the Middle Gila River Basin in Township 1 N, Range 2 E, Sections 13 and 23, in Maricopa County, Ariz. The 23rd Avenue WWTP is a publicly owned treatment works that receives domestic wastewater from residential, commercial, and industrial sources in Phoenix. Sludge is stabilized in an anaerobic digester and then thickened or dewatered for land application.

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 6, 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):

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