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    CA0055221 Order No. R4-2026-0151  =====  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
    NEW, I, TSO
    Threat To Water Quality
    1
    Complexity
    A
    Order Title
    Time Schedule Order No. R4-2026-0151 Requiring the City of Simi Valley (Simi Valley Water Quality Control Plant) To Comply With Requirements Prescribed In Order No. R4-2026-0150 (NPDES Permit No. CA0055221)

    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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