NPDES 2009 Construction Stormwater General Permit

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There are no upcoming meetings are scheduled at this time.

Adopted Order 2009-0009-DWQ (As amended by 2010-0014-DWQ and 2012-0006-DWQ)

• Complete download with Attachments and Appendices (updated 01/23/13)
• Fact Sheet (updated 01/23/13)
• Order (updated 01/23/13)
• Attachment A – Linear Underground/Overhead Requirements (updated 01/23/13)
• Attachment A.1 – LUP Type Determination (updated 01/23/13)
• Attachment A.2 – LUP Permit Registration Documents (updated 01/23/13)
• Attachment B – Permit Registration Documents (updated 01/23/13)
• Attachment C – Risk Level 1 Requirements (updated 01/23/13)
• Attachment D – Risk Level 2 Requirements (updated 01/23/13)
• Attachment E – Risk Level 3 Requirements (updated 01/23/13)
• Attachment F – Active Treatment System (ATS) Requirements (updated 01/23/13)
• Appendix 1 – Risk Determination Worksheet (Excel)
  • 303(d) List
• Appendix 2 – Post-Construction Water Balance Performance Standard (updated 01/23/13)
  • Appendix 2.1 – Post-Construction Water Balance Performance Standard ( PDF | Excel ) (7/9/12)
    (Note:  The Post-Construction Water Balance Calculator is now provided electronically in SMARTS at https://smarts.waterboards.ca.gov)
• Appendix 3 – Bioassessment Monitoring Guidelines (updated 01/23/13)
• Appendix 4 – Adopted/Implemented Sediment TMDLs (updated 01/23/13)
  • Non Sediment TMDL
  • Sediment TMDL
• Appendix 5 – Glossary (updated 01/23/13)
• Appendix 6 – Acronyms (updated 01/23/13)
• Appendix 7 – State and Regional Water Resources Control Board Contacts (updated 01/23/13)

• Introduction to the Construction General Permit YouTube Video
• Construction General Permit Wildfire Compliance Guidance (11/18/20)
• CGP Review Issues:
  • Issue # 1
  • Issue # 2
  • Issue # 3
  • Issue # 4
  • Issue # 5
• Risk Assessment Map References
  • K Factor Map
  • LS Factor Map
  • Receiving Water Risk Map
  • Isoerodent Map of California
  • Phase I & II SUSMP Map
• QSD/QSP Training/Exam Information
• Construction General Permit Training and Resources
• 2009-0009 DWQ General Permit – Frequently Asked Questions
  • General Construction
• Linear Underground/Overhead Project Flowcharts (9/25/09)
• Bioassessment Index Period Map (9/25/09)

Previous Drafts and Comments

Order 2012-0006-DWQ (amends 2009-0009-DWQ as amended by 2010-0014-DWQ)

Order 2010-0014-DWQ (amends 2009-0009-DWQ)