Storm Water - Municipal Permits

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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.

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County of Los Angeles

May 3, 2012 Board Workshop

Staff Presentation from May 3, 2012 Board Workshop

Staff Working Proposals for LA County MS4 Permit Reissuance

Transmittal Memo for Working Proposals

April 5, 2012 Board Workshop

Minimum Control Measures ("MCMs")

Non-Stormwater Discharges

March 1, 2012 Workshop

Notice of Public Workshop
Staff Presentations

November 10, 2011 Board Workshop Materials
Summary of Survey Results on Los Angeles County MS4 Permit Structure

Public Notice of MS4 Kick-Off Meeting (posted April 20, 2011)

Kick-off Meeting Presentation (posted May 26, 2011)

LA County MS4 Permit - Order No. 01-182 as amended on April 14, 2011

Public Notice to Void and Set Aside 2006 Amendment to Order No. 01-182 (posted Feb 10, 2011)

TENTATIVE WASTE DISCHARGE REQUIREMENTS FOR
MUNICIPAL SEPARATE STORM SEWER SYSTEM (MS4) DISCHARGES WITHIN THE COUNTY OF LOS ANGELES, AND THE INCORPORATED CITIES THEREIN, EXCEPT THE CITY OF LONG BEACH (posted January 31, 2011)
Order No. 01-182 as amended pursuant to the peremptory writ of mandate in L.A. Superior Court Case No. BS122724 (posted Oct 19, 2010)
Strikeout Version of Order No. 01-182 as amended pursuant to the peremptory writ of mandate in L.A. Superior Court Case No. BS122724 (posted Oct 19, 2010)
LA County MS4 Permit - Trash TMDL Compliance Reporting Forms (posted Sep 09, 2010)

Letter to Permittees regarding Compliance Reporting forms (posted Sep 09, 2010)
Trash TMDL Compliance Reporting Forms (Corrected Oct 19, 2010)

LA County MS4 Permit - Final Documents (posted Jan 21, 2010)
- Letter to Los Angeles County MS4 Permittess subject to the Los Angeles River Watershed Trash TMDL Provisions
- Permit (Order No. 01-182 as amended by R4-2009-0130)
  - Appendix 7-1
  - Appendix 7-2
LA County MS4 Permit - Re-opener to Incorporate Provisions Consistent with the Assumptions and Requirements of the Los Angeles River Watershed Trash TMDL (posted on October 8, 2009)
- Hearing Notice
- Permit Findings
- Permit Provisions Part I
- Permit Provisions Part II
- Permit Provisions Appendix 7-1
- Permit Provisions Appendix 7-2
- Fact Sheet
- Administrative Record Index (revised on Dec 03, 2009).
- Order on Party Status (posted on Oct, 26 2009)
- Amendment to the Order on Party Status (posted on Oct 27, 2009)
- Order on Requests for Additional Evidence (posted on Dec 03, 2009).
- Response to Comments on July 29, 2009 Public Workshop (posted on Dec 06, 2009).
- Response to Comments on October 8, 2009 Public Notice Documents (posted on Dec 06, 2009).
- Revised Tentative Findings (posted on Dec 06, 2009).
- Revised Tentative Permit Provisions, Part 4 (posted on Dec 06, 2009).
- Revised Tentative Permit Provisions, Parts 5 and 7 (posted on Dec 06, 2009).

Comments Received During October 8-November 9, 2009 Public Comment Period (posted Nov 18, 2009)

Comment Letters Received in Response to the July 29, 2009 Public Workshop (posted Nov 19, 2009)
- City of Arcadia
- City of Artesia
- City of Bellflower
- City of Bell Gardens
- City of Carson
- City of Claremont
- City of Commerce
- City of Downey (7/21/09)
- City of Downey (7/28/09)
- City of Duarte
- City of Gardena
- City of Inglewood
- City of LaCanda Flintridge
- City of Monrovia
- City of Pico Rivera
- City of Rosemead
- City of San Gabriel
- City of Signal Hill (7/23/09)
- City of Signal Hill (7/29/09)
- City of Vernon
- City of West Covina
- City of Whittier
- County of Los Angeles, DPW
- Charles Abbott Associates, Inc
- Heal the Bay
- Los Angeles Stormwater Quality Partnership (LASQP)
- Richards/Watson/Gershon
- Santa Monica Baykeeper
- Rutan, Attorneys at Law
Current Permit: 2001 Los Angeles County Municipal Permit (Order No. 01-182; NPDES No. CAS0041 as Amended by Regional Order R4-2007-0042 on August 9, 2007)
2001 LA MS4 Permit: Los Angeles County Municipal Permit (Order No. 01-182; NPDES No. CAS0041)
- Revised Monitoring and Reporting Program (June 15, 2005)
  - Attachment U1
  - Revised Attachment U2
  - Attachment U3
  - Attachment U4 (pdf or word)
- Annual Reports
- Permits Renewal
- Other related documents

County of Ventura

Ventura County Low Impact Developement Technical Guidance Manual (Large file, may take some time to open)
- Approval of Ventura County Technical Guidance Manual
Final Ventura County Municipal Separate Storm Sewer (MS4) Permit, Order No. R4-2010-0108(adopted July 8, 2010)

Attachment A - Watershed Management Areas
Attachment B - Calleguas Creek Watershed Pollutants of Concern
Attachment C - Treatment BMP Performance Standards
Attachment D - Critical Sources Categories
Attachment E - Determination of Erosion Potential
Attachment F - Monitoring Program
Attachment G - Storm Water Monitoring Program's Constituents and Associated Minumum Levels
Attachment H - Storm Water Monitoring Program's Major Outfall Stations

Request for Party Status:
- Order On Request for Party Status
Change Sheet:
- Change Sheet
- Response To Comments:
- Comment letters recieved on Reconsideration of Ventura County MS4 Permit
- Current Permit: Adopted , May 7, 2009
  - Transmittal Letter (posted on Jan 29, 2009)
  - Final Corrected Order No. R4-2009-0057, Waste Discharge Requirements for Discharges from the Ventura County Municipal Separate Storm Sewer Systems within the Ventura County Watershed Protection District, County of Ventura and the Incorporated Cities Therein

City of Long Beach

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