An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

National Estuary Program (NEP)

SP 12 - 2011 CA San Joaquin River Selenium Control Program, Region 9 (10/12/2011)

Thirteen sub-watersheds of the San Joaquin River have been significantly improved by reducing selenium impairments.

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.

SP 12 - 2011 CA San Joaquin River Selenium Control Program (PDF)(20 pp, 1 MB, October 12, 2011)