NPDES Permit No. CA0109991 (Order R4-2023-0033): City of Los Angeles Hyperion Water Reclamation Plant

Joint EPA and State NPDES Permit

Order No:  R4-2023-0033
NPDES Permit No: CA0109991
Discharger: City of Los Angeles
Facility: Hyperion Water Reclamation Plant (HWRP)
Facility Address: 12000 Vista del Mar Boulevard, Los Angeles, CA 90293
Order adopted by Los Angeles Regional Water Quality Control Board on: February 23, 2023
Permit issued by EPA on: March 17, 2023
Order effective on: May 01, 2023
Order will expire on: April 30 , 2028

• NPDES Permit No. CA0109991 (ORDER R4-2023-0033): City of Los Angeles Hyperion Water Reclamation Plant (pdf) (5.03 MB, March 17, 2023)
  Waste discharge requirements and National Pollution Discharge Elimination System Permit (and fact sheet) for the City of Los Angeles Hyperion Water Reclamation Plant.
• EPA Transmittal Letter: Final Permit for Hyperion Water Reclamation Plant (NPDES Permit No. CA0109991) (pdf) (194.88 KB, March 17, 2023)
  Letter from EPA to Los Angeles Sanitation and Environment concerning issuance of final NPDES permit for the City of Los Angeles Hyperion Treatment Plant (CA0109991).