Joint EPA and State NPDES Permit
Discharger: City of Los Angeles
Name of Facility: Hyperion Treatment Plant (HTP)
Facility Address: 12000 Vista del Mar Boulevard, Playa del Rey, CA 90293
This Order was adopted on: February 02, 2017
This Order shall become effective on: April 01, 2017
This Order shall expire on: March 31, 2022
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NPDES Permit No. CA0109991 (ORDER R4-2017-0045): City of Los Angeles Hyperion Treatment Plant (PDF)(180 pp, 4 MB,
02/02/2017)
Waste discharge requirements and National Pollution Discharge Elimination System Permit No. CA0109991 for City of Los Angeles Hyperion Treatment Plant.
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EPA Transmittal Letter: Issuance of Final Permit for City of Los Angeles Hyperion Treatment Plant (CA0109991, CI-1492) (PDF)(2 pp, 295 K,
02/15/2017)
Letter from EPA to City of Los Angeles Department of Public Works concerning issuance of final NPDES permit for the City of Los Angele Hyperion Treatment Plant (CAO 109991, CI-1492)