Historical California Integrated Reports
Below is information on past historical integrated reports. For information on current and in-progress integrated reports, please see the main Surface Water Quality Assessment page.
2020-2022 Integrated Report (CWA Section 303(d) List/305(b) Report)
2018 Integrated Report (CWA Section 303(d) List/305(b) Report)
2014/2016 Integrated Report (CWA Section 303(d) List / 305(b) Report)
2012 Integrated Report (CWA Section 303 (d) List / 305(b) Report)
2010 Integrated Report (CWA Section 303(d) List / 305(b) Report)
The 2010 Integrated Report is the first Integrated Report developed for the State of California. Previous assessments were developed by the State Water Board in separate documents and can be found at the following links:
Previous Clean Water Act Section 303(d) Lists
Previous Clean Water Act Section 305(b) Reports
Earlier 305(b) Reports are not available in digital format. These reports can be requested through the Public Records Center
