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    CA0058343 Order No. R4-2026-0209  =====  Status: Active  =====  CI - 6297
    Effective Date: 2026-08-01

    Discharger

    Name
    Tesoro Logistics, LLC
    Address
    5905 Paramount Boulevard
    Long Beach, CA 90805
    Contact
    Timothy Hayes, Director - Pipeline & Terminal
    Phone/Email
    (310) 847-5812 / twhayes@marathonpetroleum.com

    Facility

    Name
    Hathaway Tank Farm
    Address
    2350 Obispo Avenue
    Signal Hill, CA 90755
    Contact
    Timothy Hayes, Director - Pipeline & Terminal
    Phone/Email
    (310) 847-5812 / twhayes@marathonpetroleum.com

    Order/Permit Information

    Permit Type
    REN, I, NPDES
    Threat To Water Quality
    3
    Complexity
    B
    Order Title
    Waste Discharge Requirements (WDRs) and National Pollutant Discharge Eliminination System (NPDES) Permit for Tesoro Logistics Operations, LLC Hathaway Tank Farm (NPDES No. CA0058343, CI No. 6297)

    Staff Contact Information

    Name
    Lexlith Mederos
    Department
    Permitting - Industrial
    Phone Number
    (213) 576-6701
    Email Address
    Lexlith.Mederos@waterboards.ca.gov

    Order/Permit Documentation

    Receiving Water

    Watershed
    Los Cerritos Channel and Alamitos Bay WMA
    Waterbody
    Los Cerritos Channel

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