Storm Water - Municipal Permits
The Los Angeles Water Board regulates discharges from medium and large municipal separate storm sewer systems (MS4s) through the Los Angeles County, Long Beach, and Ventura County MS4 Permits. These permits are issued under the National Pollutant Discharge Elimination System (NPDES) Program
- Second Revised Order of Proceedings for The Public Hearing on The Revised Tentative Regional Phase I Municipal Separate Storm Sewer System (MS4) National Pollutant Discharge Elimination System (NPDES) Permit for The Los Angeles Region
- Rulings on Objections to Hearing Procedures
- Change Sheet #1
- Change Sheet #2
- Order of Proceedings for The Public Hearing On The Revised Tentative Regional Phase I Municipal Separate Storm Sewer System (MS4) National Pollutant Discharge Elimination System (NPDES) Permit for The Los Angeles Region
- Notice of Hearing and Availability of Documents on the Revised Tentative Regional Phase I Municipal Separate Storm Sewer System (MS4) Permit
-
Revised Tentative Regional Phase I Municipal Separate Storm Sewer System (MS4) Permit
- Order
- Attachment A Definitions
- Attachment B WMA Maps
- Attachment C MS4 Maps
- Attachment D Standard Provisions
- Attachment E MRP
- Attachment F Fact Sheet
- Attachment G Aquatic Toxicity
- Attachment H Annual Reporting Forms (pdf)
- Attachment I Trash Reporting Forms (pdf)
- Attachment I Trash TMDL Reporting Forms (Excel)
- Attachment I Trash Discharge Prohibitions Reporting Forms (Excel)
- Attachment J Permittees & TMDL Matrix
- Attachment K Ventura River TMDLs
- Attachment L Ventura County Miscellaneous Coastal TMDLs
- Attachment M Santa Clara River TMDLs
- Attachment N Calleguas Creek TMDLs
- Attachment O Santa Monica Bay TMDLs
- Attachment P Dominguez Channel TMDLs
- Attachment Q Los Angeles River TMDLs
- Attachment R San Gabriel River TMDLs
- Attachment S Los Cerritos Channel and Alamitos Bay TMDLs
- Response to Comments on the Tentative Regional Phase I Municipal Separate Storm Sewer System (MS4) Permit
- Workshops
| No. | Posted Date | Comment Due Date |
|
|
Associated Permit |
|
|
|---|---|---|---|---|---|---|---|
| No. | Posted Date | Comment Due Date |
|
|
Associated Permit |
|
|
| 1015 | 05/18/2021 | 06/18/2021 | City of Commerce | Alternative Biofiltration Specification | LA County MS4 Permit | Susana Vargas | Link |
| 1014 | 05/18/2021 | 06/18/2021 | City of Vernon | Alternative Biofiltration Specification | LA County MS4 Permit | Susana Vargas | Link |
| 1013 | 04/13/2021 |
05/13/2021 | Upper Los Angeles River Group | ULAR CIMP Modification Request | LA County MS4 Permit | Angineh Shahnazarian | Contact staff for document |
| 1012 | 04/06/2021 |
05/06/2021 | City of Pomona |
|
LA County MS4 Permit | Susana Vargas | |
| 1011 | 10/28/2020 |
11/30/2020 | Upper Santa Clara River Group | USCR EWMP Modification Request | LA County MS4 Permit | Erum Razzak | Contact staff for document and notice |
| 1010 | 12/30/2019 |
01/30/2020 | City of Commerce |
|
LA County MS4 Permit | Susana Vargas | |
| 1009 | 09/30/2019 |
10/30/2019 | County of Los Angeles |
|
LA County MS4 Permit | Susana Vargas | |
| 1008 | 09/12/2019 |
10/14/2019 | City of Compton |
|
LA County MS4 Permit | Susana Vargas | |
| 1007 | 08/19/2019 |
09/19/2019 | City of Covina |
|
LA County MS4 Permit | Susana Vargas | |
| 1006 | 06/20/2019 |
07/22/2019 | County of Los Angeles | LA County MS4 Permit | Ivar Ridgeway | ||
| 1005 | 06/07/2019 |
07/08/2019 | City of Industry | LA County MS4 Permit | Ivar Ridgeway | ||
| 1004 | 05/21/2019 |
06/21/2019 | City of Pomona | LA County MS4 Permit | Ivar Ridgeway | ||
| 1003 | 04/05/2019 |
05/06/2019 | City of Rolling Hills | LA County MS4 Permit | Ivar Ridgeway | ||
| 1002 | 03/27/2019 |
04/26/2019 | City of Manhattan Beach | LA County MS4 Permit | Ivar Ridgeway | ||
| 1002 | 01/31/2019 | 03/04/2019 | Cities of Pasadena, Alhambra, Montebello, Monterey Park, Rosemead, San Gabriel, San Marino, South El Monte, South Pasadena, Temple City; County of Los Angeles | LA County MS4 Permit | Ivar Ridgeway | ||
| 1001 | 01/29/2019 | 02/28/2019 | Rio Hondo-San Gabriel River Water Quality Group | LA County MS4 Permit | Chris Lopez | ||
| 1000 | 01/24/2019 | 02/25/2019 | Beach Cities Watershed Management Group | LA County MS4 Permit | Ivar Ridgeway | ||
| 0999 | 01/23/2019 | 02/22/2019 | Upper San Gabriel River Watershed Management Group | LA County MS4 Permit | Ivar Ridgeway | ||
| 0998 | 01/18/2019 | 02/18/2019 | Palos Verdes Peninsula Watershed Management Group | LA County MS4 Permit | Rebecca Christmann | ||
| 0997 | 01/18/2019 | 02/18/2019 | North Santa Monica Bay Coastal Watershed Management Group | LA County MS4 Permit | Rebecca Christmann | ||
| 0996 | 01/07/2019 | 02/07/2019 | Ballona Creek Watershed Management Group | LA County MS4 Permit | Chris Lopez | ||
| 0995 | 01/07/2019 | 02/07/2019 | Ballona Creek Watershed Management Group | LA County MS4 Permit | Chris Lopez | ||
| 0994 | 01/07/2019 | 2/7/2019 | Ballona Creek Watershed Management Group | LA County MS4 Permit | Chris Lopez | ||
| 0993 | 01/07/2019 | 2/7/2019 | Dominguez Channel Watershed Management Group | LA County MS4 Permit | Chris Lopez | ||
| 0992 | 01/07/2019 | 2/7/2019 | Santa Monica Bay Jurisdictional Group 2 and 3 Watershed Management Group | LA County MS4 Permit | Chris Lopez | ||
| 0991 | 01/07/2019 | 2/7/2019 | Upper Los Angeles River Watershed Management Group | LA County MS4 Permit | Chris Lopez | ||
| 0990 | 01/07/2019 | 2/7/2019 | City of Pomona | LA County MS4 Permit | Ivar Ridgeway | ||
| 0989 | 12/13/2018 | 1/14/2019 | City of Los Angeles, City of Pasadena, County of Los Angeles |
|
LA County MS4 Permit | ||
| 0988 | 12/13/2018 | 1/14/2019 | City of Industry | LA County MS4 Permit | |||
| 0987 | 8/10/2018 | 9/10/2018 | City of La Mirada | LA County MS4 Permit | |||
| 0986 | 8/6/2018 | 9/5/2018 | Beach Cities Watershed Management Group | LA County MS4 Permit | |||
| 0985 | 7/30/2018 | 8/29/2018 | North Santa Monica Bay Coastal Watershed Management Group | LA County MS4 Permit | |||
| 0984 | 6/15/2018 | 7/16/2018 | Various LA County MS4 Permittees, City of Long Beach | LA County MS4 Permit | |||
| 0983 | 6/15/2018 | 7/16/2018 | City of Alhambra | LA County MS4 Permit | |||
| 0982 | 6/15/2018 | 7/16/2018 | City of Carson | LA County MS4 Permit | |||
| 0981 | 5/25/2018 | 6/25/2018 | LA County MS4 Permittees, City of Long Beach | LA County MS4 Permit, Long Beach MS4 Permit |
|||
| 0980 | 5/23/2018 | 6/22/2018 | Rio Hondo-San Gabriel River Water Quality Group | LA County MS4 Permit | |||
| 0979 | 5/14/2018 | 6/13/2018 | Santa Monica Bay Watershed Jurisdictions 2 & 3 Watershed Management Group | LA County MS4 Permit |
Written comments will be accepted through the Comment Due Date. Please email comments to the Staff contact and losangeles@waterboards.ca.gov. For more information please see the corresponding Notice.
Contacts
Program Supervisor
Ridgeway, Ivar
Ivar.Ridgeway@waterboards.ca.gov
(213) 620-2150
Senior Environmental Scientist
-
Staff
Carlos, Alex
alex.carlos@waterboards.ca.gov
(213) 576-6726
Engineering Geologist
Christmann, Rebecca
Rebecca.Christmann@waterboards.ca.gov
(213) 576-5734
Water Resource Control Engineer
Rahmani, Alireza
Alireza.Rahmani@waterboards.ca.gov
(213) 576-6692
Water Resource Control Engineer
Razzak, Erum
Erum.Razzak@waterboards.ca.gov
(213) 620-2095
Environmental ScientistShahnazarian, Angineh
Angineh.Shahnazarian@Waterboards.ca.gov
(213) 576-6617
Environmental Scientist
Vargas, Susana
Susana.Vargas@Waterboards.ca.gov
(213) 576-6688
Water Resource Control Engineer
