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Draft Human Health Water Quality Criteria and Technical Support Documents

Pollutants can harm people’s health when they drink water or eat seafood from contaminated surface water. EPA scientists research how much of a specific chemical can be present in surface water before it is likely to harm human health. Based on this research, EPA develops human health criteria.

Draft Documents:

Draft Human Health Recreational Ambient Water Quality Criteria and/or Swimming Advisories for Microcystins and Cylindrospermopsin