San Diego River Online Information Center
Is the River Healthy?
Check out our State of the River Report to see an answer to this complex question.
Grade D
2020 State of the River Report (PDF)
Trash, Invasive Plants, and Water Quality Survey Results
To see status of documented trash sites, click here
To see status of documented target invasive plants, click here
To see RiverWatch water quality results, click here
To view Headwaters Monitoring and Assessment Program data, click here
Annual Water Quality Reports
The Water Quality Reports linked below present a comprehensive summary of water quality data collected monthly by SDRPF’s RiverWatch volunteer monitoring team since 2004, as well as assessment of the changes, patterns and trends in quality recorded over time and from one place to another throughout the Lower San Diego River Watershed.
2024 RiverWatch Water Quality Report and Appendix
2023 RiverWatch Water Quality Report and Appendix
2022 RiverWatch Water Quality Report and Appendix
2021 RiverWatch Water Quality Report and Appendix
2020 RiverWatch Water Quality Report and Appendix
2019 RiverWatch Water Quality Report and Appendix
2018 RiverWatch Water Quality Report and Appendix
2017 RiverWatch Water Quality Report and Appendix
2016 RiverWatch Water Quality Report and Appendix
2015 RiverWatch Water Quality Report and Appendix
2014 RiverWatch Water Quality Report and Appendix
2013 RiverWatch Water Quality Report and Appendix
2012 RiverWatch Water Quality Report and Appendix
2011 RiverWatch Water Quality Report and Appendix
2004-2010 River Watch Water Quality Report
Monthly Water Quality Reports
November 2024 Monthly Water Quality Report
October 2024 Monthly Water Quality Report
September 2024 Monthly Water Quality Report
August 2024 Monthly Water Quality Report
July 2024 Monthly Water Quality Report
June 2024 Monthly Water Quality Report
May 2024 Monthly Water Quality Report
April 2024 Monthly Water Quality Report
March 2024 Monthly Water Quality Report
February 2024 Monthly Water Quality Report
January 2024 Monthly Water Quality Report
December 2023 Monthly Water Quality Report
November 2023 Monthly Water Quality Report
October 2023 Monthly Water Quality Report
For earlier reports, contact the San Diego River Park Foundation office at (619) 297-7380.
Other Studies and Reports: Archive
Dissolved Oxygen Project Community Survey Results Report
Lower San Diego River Exotic Weed Mapping Report - 2020
Dissolved Oxygen Project Interim Report: 2017 Field Season (San Diego State)
Technical Memo: Dissolved Oxygen Levels at Mast Park East (John Kennedy and Gary Strawn)
Technical Support Memo: Upper FSDRIP Hydrology and Water Quality (John Kennedy)
"Analysis of Anionic Contribution to Total Dissolved Solids in the Lower San Diego River," a student research project by Janae Fried, San Diego State University, 2015.
Click here to download.
"Assessing Ecological Health of the San Diego River," a report by the San Diego Regional Water Quality Control Board. - Click here for link
Overview of Dissolved Oxygen levels monitored in the Lower San Diego River by John Kennedy, SDRPF RiverWatch volunteer leader. - Click here to download
Lower San Diego River Streamflow and Water Quality metrics monitored by RiverWatch, by John Kennedy, SDRPF RiverWatch volunteer leader. - Click here to download
2012 Spray Paint Can Study - Click here to download
"A Brief Walk on the San Diego River," A Field Guide created by Francis Parker School student Mary Isler. Click here to download.
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