AZ0020524: City of Phoenix Water Services Department 91st Avenue WWTP, Tolleson, AZ

Permittee Name: City of Phoenix, Water Services Department
Permittee Address: 2474 South 22nd Avenue - Building 31, Phoenix, AZ 85009
Facility Name: 91st Avenue Wastewater Treatment Plant
Facility Location Address: 5615 South 91st Avenue, Tolleson, AZ, 85353, USA
Facility Rating: Major
This permit was issued on: February 28, 2023
This permit shall become effective on: May 01, 2023
Permit reapplication due no later than: November 2, 2027
This permit shall expire at midnight on: April 30, 2028

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NPDES Permit No. AZ0020524: City of Phoenix 91st Avenue WWTP (pdf) (1.28 MB, February 28, 2023 - Modified July 6, 2023)
National Pollutant Discharge Elimination System (NPDES) Permit No. AZ0020524 issued to City of Phoenix Water Services Department's 91st Avenue Wastewater Treatment Plant (WWTP). Permit modified July 6, 2023, to require that parameter Hexachlorocyclohexane alpha (Alpha BHC) be monitored at Outfall 001 and Outfall 005 one time per month.
NPDES Permit Fact Sheet: City of Phoenix 91st Avenue WWTP (pdf) (658.79 KB, February 2023 - Modified July 2023)
EPA Fact Sheet for National Pollutant Discharge Elimination System (NPDES) Permit No. AZ0020524 for City of Phoenix Water Services Department 91st Avenue Wastewater Treatment Plant (WWTP). Modified July 2023.
EPA Response to Comments: City of Phoenix 91st Avenue WWTP (pdf) (213.34 KB, February 17, 2023)
EPA Region 9 response to comments received from the City of Phoenix concerning the draft National Pollutant Discharge Elimination System (NPDES) Permit AZ0020524 for City of Phoenix Water Services Department 91st Avenue Wastewater Treatment Plant.
CWA §401 Water Quality Certification #2022-497: City of Phoenix 91st Avenue WWTP (pdf) (155.86 KB, February 28, 2023)
Clean Water Act Section §401 Water Quality Certification for National Pollutant Discharge Elimination System (NPDES) Permit No. AZ0020524 issud to City of Phoenix 91st Avenue Wastewater Treatment Plant, Tolleson, AZ.
Biological Evaluation: NPDES Permit Renewal for the City of Phoenix 91st Avenue Wastewater Treatment Plant (pdf) (596.39 KB, June 2022)
Biological Evaluation for the NPDES Permit Renewal for City of Phoenix 91st Avenue Wastewater Treatment Plant. NPDES Permit No. AZ0020524.