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About DWR - Division of Environmental Services (DES)

Provides complex scientific and environmental analyses, monitoring, and documentation to support management of California's water resources while protecting, restoring, and enhancing natural and human environments.

Environmental Compliance

  • Protects the quality of the State's environmental resources by complying with applicable laws, regulations, and permits; to restore, maintain and enhance habitat; and to mitigate impacts associated with the operation of the State Water Project on the natural environment.


Environmental Planning and Information

  • Represent the Department in the Suisun Marsh Preservation Agreement
  • Coordinate stakeholders for the CALFED Ecosystem Restoration Program
  • Support the Bay-Delta Science Consortium and Interagency Ecological Program


Water Quality

  • With a geographic focus on the Sacramento-San Joaquin Delta and the State Water Project, provide a central focal point for the collection and dissemination of water quality information through comprehensive water quality monitoring, analysis, and assessment; applied research coupled with a quality assurance and control program.


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