ATTENTION: The information on this page is not updated and is retained for archival purposes only. Please visit our current Surface Water Quality Assessment page for the most up-to-date information. Thank you.

2010 Integrated Report (Clean Water Act Section 303(d) List / 305(b) Report) — Statewide

2010 Integrated Report — All Assessed waters

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This Webinar walks the user through the Integrated Report and its geospatial information system (GIS) map.

  • Geographical Information Systems (GIS) Files
    Update 12/23/11: The information presented on this map reflects the final USEPA-approved 2010 303(d) list. If you have any questions regarding the Integrated Report data and information, please email Lori Webber or call 916-341-5736. For any GIS-related questions, please email Nirmal Sandhar or call (916)341-5571.