UPDATED - PUBLIC NOTICE | Proposed AZPDES Renewal Permit for the Agua Fria Generating Station in Glendale

Public Notice No. 21-42

Published in the Arizona Business Gazette on April 21, 2022

AZPDES Permit No. AZ0023531

ADEQ proposes to issue an Arizona Pollutant Discharge Elimination System (AZPDES) renewal permit to discharge pollutants to Protected Surface Waters to the following applicant, subject to certain effluent limitations and special conditions:


Salt River Project (SRP)
Agricultural Improvement and Power District

Facility Information

Agua Fria Generating Station (AFGS)
7302 W. Northern Ave.
Glendale, Arizona 85303

Salt River Project (SRP) applied for a renewal of an AZPDES permit for the discharge of cooling tower blowdown, boiler blowdown, and other low volume wastes from the Agua Fria Generating Station (AFGS) in Glendale, Maricopa County, Arizona. The discharge will be to the SRP Lateral 20, which connects to the SRP Grand Canal (a Phoenix Area Canal), a tributary to the New River in the Middle Gila Basin. The point of discharge will be in Township 3 N, Range 1 E, Section 36 in Maricopa County, Arizona. The AFGS is an electric power generating station and is considered to be a major facility under the NPDES program.

Review Documents

Revised Published Public Notice | View/Print > 
Revised Draft Permit | View > 
Revised Draft Fact Sheet | View >

Please note that the above public notice, newspaper publication date and comment period have been revised since the original planned publication date.

You may also review the above documentation in person at the ADEQ Record Center | Learn How >

Public Comment Period 

Dates: April 21, 2022 – May 20, 2022

Comments may be submitted as follows:
     By Email | Send Email >   
     By Mail (Must be postmarked or received by May 20, 2022):

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

A public hearing request must be in writing and must include the reasons for such request.