California Department of Transportation

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Storm Water

Storm Water


The Office of Hydraulics and Storm Water Design emphasizes stewardship of California's water resources by providing:

  • Technical assistance to designers on storm water pollution control implementation.
  • Assistance to designers to assure compliance with Caltrans' statewide NPDES permit.
  • Guidance and training for the implementation of appropriate Storm Water Best Management Practices (BMPs).

This page last updated March 17, 2016