Orange County Municipal NPDES Storm Water Permit
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)
- Model WQMP (Based on 5/19/2011 Approval Letter)

- Technical Guidance Documnet (Based on 5/19/2011 Approval Letter)

- Approval Letter (5/19/2011)
- Errata Sheet - Revised (5/17/2011)
- Response to Comments (5/19/2011)
- Draft Model WQMP (3/22/2011)
- Draft Technical Guidance Document (3/22/2011)
- Non-Priority Project Water Quality Plan (NPP)
- Historical Documents
Additional postings will be announced to interested parties using the Regional Board's E-Mail Notification System (see link below on subscribing to this list and note that you must re-subscribe when changing email addresses).
- Water Quality Monitoring Plan (08/13/2005)
- Subscribe to the E-mail Notification List
- Rescinded Order No. R8-2002-0010 (01/19/2002)
- Rescinded Order No. 96-31 (03/08/1996)
- Regional Board Staff Inspections (Last updated 4/13/2011)
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