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Storm Water - Municipal Permits

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Disclaimer and Notes:

The NPDES Permit pdf documents might be formatted differently than the hard copies. We are in the process of reformating the permit pdf files to match the format on the hard copies.

Most forms in Adobe Acrobat may be filled out electronically.

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Information on Funding Sources for Stormwater Projects


City of Long Beach

Wateshed Management Programs

Final Waste Discharge Requirements for Municipal Separate Storm Sewer System (MS4) Discharges within the City of Long Beach MS4 (posted March 11, 2014)

LID BMP Manual

Revised Fact Sheet

Revised Order

Response to Comments

Order on Requests Concerning Hearing Procedures and Process, Untimely Written Comments, and Order of Proceedings

Public Comments on the Tentative Long Beach MS4 Permit:

  • City of Long Beach
  • US EPA
  • Environmental Groups
  • Signal Hill

  • Public Notice – Second extension of public comment period (posted Jan 10, 2014)

    Public Notice Extending Public Comment Period (posted Dec 16, 2013)


    Tentative Long Beach MS4 Permit

    Permit: Long Beach Municipal Permit (Order No. 99-060; NPDES No. CAS004003)

    County of Los Angeles

    Time Schedule Order No. R4-2015-0108 requiring the City of Los Angeles, the County of Los Angeles, the Los Angeles County Flood Control District, the City of Beverly Hills, the City of Culver City, the City of Inglewood, and the City of West Hollywood to comply with requirements prescribed in Order No. R4-2012-0175 (NPDES Permit No. CAS004001)

    Time Schedule Order No. R4-2014-0142 Requiring the County of Los Angeles, the Los Angeles County Flood Control District and the City of Los Angeles to Comply With Requirements Pertaining to Discharges of Bacteria During Dry Weather to the Back Basins of Marina Del Rey Harbor and Marina Beach Prescribed in Order No. R4-2012-0175 (NPDES Permit NO. CAS004001)

    Time Schedule Order No. R4-2014-0023 Requiring the City of Los Angeles (Inner Cabrillo Beach, Los Angeles Harbor) To Comply With Requirements Prescribed in Order No. R4-2012-0175 (NPDES Permit No. CAS004001)

    LARWQCB Response to Petitions A-2236(a) through (kk)

    Administrative Record for Order No. R4-2012-0175 (Note: Some of the files are large. Please be patient when opening the files; it may take a moment.)

    Implementation of the Los Angeles County Areawide MS4 Permit

    Final Waste Discharge Requirements for Municipal Separate Storm Sewer System (MS4) Discharges within the Coastal Watersheds of Los Angeles County, Except Those Discharges Originating from the City of Long Beach MS4 (posted December 5, 2012)


    Second (2nd) Revised Tentative Waste Discharge Requirements for Municipal Separate Storm Sewer System (MS4) Discharges within the Coastal Watersheds of the County of Los Angeles, Except Those Discharges Originating from the City of Long Beach (posted November 5, 2012).

    List of Attachments that have been revised

    Response to Comments on the June 6, 2012, draft of the Tentative Waste Discharge Requirements for Municipal Separate Storm Sewer System (MS4) Discharges within the Coastal Watersheds of Los Angeles County, Except Those Discharges Originating from the City of Long Beach (posted October 23, 2012)

    1. Non-Stormwater Discharges Matrix
    2. Receiving Water Limitations Matrix
    3. Monitoring and Reporting Program Matrix
    4. Watershed Management Program Matrix
    5. Minimum Control Measures Matrix
    6. Total Maximum Daily Loads (General) Matrix
    7. Total Maximum Daily Loads (Specific) Matrix
    8. General and Miscellaneous Matrix
    9. Supplemental MCM Matrix (posted November 6, 2012)
    10. USEPA Comment Matrix (posted November 6, 2012)

    Revised Tentative Waste Discharge Requirements For Municipal Separate Storm Sewer System (MS4) Discharges Within The Coastal Watersheds Of The County Of Los Angeles, Except Those Discharges Originating From The City Of Long Beach (posted October 18, 2012)



    October 4-5, 2012 Public Hearing on Tentative LA County MS4 Permit


    Technical Comments on the June 6, 2012, draft of the Tentative Waste Discharge Requirements for Municipal Separate Storm Sewer System (MS4) Discharges within the County of Los Angeles Flood Control District, Including the County of Los Angeles and Incorporated Cities therein, except the City of Long Beach. All comments received by July 23, 2012, are included in the following groups: (Updated August 7, 2012)


    Tentative Waste Discharge Requirements For Municipal Separate Storm Sewer System (MS4) Discharges Within The County Of Los Angeles Flood Control District, Including The County of Los Angeles and Incorporated Cities Therein, Except The City Of Long Beach (posted June 6, 2012)


    May 3, 2012 Board Workshop

    Staff Working Proposals for LA County MS4 Permit Reissuance

    1. Transmittal Memo for Working Proposals
      1. Working Proposal of Watershed Management Program Provisions
      2. Working Proposal of TMDL Provisions
      3. Working Proposal of Receiving Water Limitation Provisions

    April 5, 2012 Board Workshop


    County of Ventura