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About CEDEN

Visit the
Water Quality Monitoring Council's

My Water Quality

data interpretation web portal

The California Environmental Data Exchange Network (CEDEN)
is a central location to find and share information about California’s water bodies, including streams, lakes, rivers, and the coastal ocean. Many groups in California monitor water quality, aquatic habitat, and wildlife health to ensure good stewardship of our ecological resources. CEDEN aggregates this data and makes it accessible to environmental managers and the public.

For more information, a two page CEDEN Fact Sheet and eight page Information Document are available for download.

News & Highlights

Welcome to the CEDEN website. Please subscribe to our Twitter feed:  @CEDEN_News  for occasional updates about CEDEN products and data.

6/30/14: The CEDEN query tool has changed websites to http://ceden.waterboards.ca.gov/AdvancedQueryTool. Be sure to update your bookmarks!

State Water Resources Control Board 1001 I Street Sacramento, CA 95814
© 2012 California Environmental Data Exchange Network (CEDEN)