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Related Topics:
  • Safe Drinking Water Act
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EPA Non-Regulatory Health-Based Drinking Water Levels

EPA is authorized to develop health advisories and benchmarks that provide information and a non-regulatory human health-based level of protection from drinking water contaminants that are not regulated under the Safe Drinking Water Act (SDWA).

  • Learn about Drinking Water Health Advisories (HAs)
  • Learn about Human Health Benchmarks

Additional Drinking Water Health Effects Information Developed by EPA’s Office of Water

Related Information

The Danger of Using Tap Water with Contact Lenses

Health Effects Support Documents

  • Boron
  • Dacthal and Dacthal Degradates
  • 2,4- and 2,6- Dinitrotoluene
  • Manganese
  • Oxamyl (pdf)
  • Perfluorooctanoic Acid (PFOA) and Perfluorooctane Sulfonate (PFOS)
  • Sodium
  • Sulfate
  • 1,1,2,2-tetrachloroethane
  • Cyanobacterial Toxin Anatoxin-A (June 2015, EPA 820-R-15-104)
  • Acanthamoeba (May 2003, EPA 822-R-03-012)

Toxicity Assessments

  • Fluoride Risk Assessment and Relative Source Contribution
  • Toxicity Assessment for GenX Chemicals
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on June 9, 2022
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