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Orange County Municipal NPDES Storm Water Permit

Orange County Municipal NPDES Storm Water Permit


Proposed Orange County Municipal NDPES Storm Water Permit (Draft Order No. R8-2015-0001)


  • NOTICE OF EXTENSION OF COMMENT PERIOD ON THE DRAFT ORANGE COUNTY MUNICIPAL SEPARATE STORM SEWER SYSTEM (“MS4”) PERMIT - Regional Board staff is extending the comment period on the draft Orange County MS4 Permit.  Comments will now be accepted through June 20, 2014.  For more information, please see the initial Notice below:

  • NOTICE OF OPPORTUNITY FOR PUBLIC COMMENT FOR THE DRAFT ORANGE COUNTY MS4 PERMIT - Regional Board staff is accepting public comments on the draft Orange County Municipal Separate Storm Sewer System (“MS4”) Permit, NPDES Permit No. CAS61080.  Comments will be accepted beginning on May 5, 2014 through June 4, 2014.  Written comments may be submitted electronically to the attention of Adam Fischer.  Documents that are less than 25MB should be e-mailed to santaana@waterboards.ca.gov.  Documents that are 25MB or more should be transmitted on CD or DVD and mailed to the Santa Ana Regional Water Quality Control Board, Attn: Adam Fischer at 3737 Main Street, Suite 500, Riverside, CA 92501.  Paper submittals are discouraged but may be mailed to the address provided or sent via facsimile to (951) 781-6288.  For more information, contact Adam Fischer at adam.fischer@waterboards.ca.gov or at (951) 320-6363.

Orange County Municipal NPDES Storm Water Permit (Order No. R8-2009-0030, Amended by Order No. R8-2010-0062)

Model WQMP and Technical Guidance Document

At the March 22, 2011 Regional Board meeting, the Regional Board took public comment on the second draft of the updated Model Water Quality Management Plan (Model WQMP), Technical Guidance Document (TGD) and supporting documents that had been submitted by the County of Orange, on the behalf of the permittees under Order No. R8-2009-0030 (as amended by Order No. R8-2010-0062), as well as an Errata Sheet that had been prepared by Regional Board staff.

At the conclusion of the public comments, the Regional Board directed the Executive Officer to consider the comments that were received and to approve the Model WQMP, TGD and supporting documents as modified by the Errata Sheet and as further modified by the Executive Officer to address, as appropriate, any remaining concerns and any inconsistencies.

On May 19, 2011, The Executive Officer approved the March 22, 2011 Draft Model WQMP, TGD and supporting documents as modified by the May 17, 2011 Errata Sheet. (see below)


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