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Last Updated: Monday, April 11, 2016 12:23 PM

Construction General Permit

Order No. 2009-0009-DWQ

This web page is intended to provide the latest information on the Construction General Permit (CGP), which was adopted by the State Water Resources Control Board (SWRCB) on September 2, 2009. The Order took effect on July 1, 2010. Caltrans Stormwater staff continues to develop guidance and policy in order to adhere to the new CGP regulations.

Visit the State Water Resources Control Board Exit Caltrans websitewebsite to access the Construction General Permit Exit Caltrans websiteand their Frequently Asked Questions (FAQs).Exit Caltrans website

What's New

  • Water Quality Dispatch - This periodic bulletin, prepared by the Stormwater Program's Office of Stormwater Implementation, provides updates of stormwater and other water quality news for the Department. Click here to view the latest Water Quality Dispatch. To view and download archived editions of the Water Quality Dispatch, Click here.
  • New Design Guidance - Visit the Division of Design / Stormwater Website for links to recently updated guidance and tools (Project Risk Level, Estimating for CGP, Erosion Prediction software, etc.) to address compliance with the new CGP.
  • New Construction Guidance - Visit the Division of Construction / Stormwater Website for the latest manuals, templates, and guidance for construction projects.
SW Program Sponsored Webinars
August 17, 2011 Caltrans Construction General Permit Compliance
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