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    CA0055221 Order No. R4-2026-0150  =====  Status: Active  =====  CI - 3021
    Effective Date: 2026-08-01

    Discharger

    Name
    Simi Valley City
    Address
    2929 Tapo Canyon Road
    Simi Valley, CA 93065
    Contact
    Al Sexton
    Phone/Email
    (805) 583-6443 / ASexton@simivalley.org

    Facility

    Name
    Simi Valley WQCP
    Address
    600 W Los Angeles Avenue
    Simi Valley, CA 93065
    Contact
    Al Sexton
    Phone/Email
    (805) 583-6443 / ASexton@simivalley.org

    Order/Permit Information

    Permit Type
    REN, I, NPDES
    Threat To Water Quality
    1
    Complexity
    A
    Order Title
    Waste Discharge Requirements (WDRs) and National Pollutant Discharge Elimination System Permit for the City of Simi Valley Simi Valley Water Quality Control Plant

    Staff Contact Information

    Name
    Don Tsai
    Department
    Permitting - Municipal (POTWs)
    Phone Number
    (213) 576-6681
    Email Address
    don.tsai@waterboards.ca.gov

    Order/Permit Documentation

    Receiving Water

    Watershed
    Calleguas Creek
    Waterbody
    Arroyo Simi

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