An official website of the United States government.

Recommended Human Health Recreational Ambient Water Quality Criteria or Swimming Advisories for Microcystins and Cylindrospermopsin Documents

Information related to Recommended Human Health Recreational Ambient Water Quality Criteria or Swimming Advisories for Microcystins and Cylindrospermopsin.

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