Perchlorate Resources
Perchlorate Resources
Learn more about perchlorate science, the regulatory process and what credible experts have said about perchlorate.
About Perchlorate
Learn more about perchlorate, what it is, where it is found, and how it can be used.
Removal Technologies
In response to finding perchlorate at low levels in water, sophisticated technologies are being used to remove perchlorate from surface and groundwater supplies.
FAQ
Explore an extensive list of frequently asked questions about perchlorate, separated by issue area.
Quick Facts
Explore a few quick, pertinent facts about perchlorate.
What Experts are Saying
Read what scientific experts think about perchlorate.
Glossary
Learn more about the phrases, terms and abbreviations used on this website to discuss perchlorate.
Useful Links
Additional helpful websites.
Featured
Pearce Study
Low level perchlorate exposure does not affect thyroid function in pregnant women.
Facts
Perchlorate and Water
In 2006, U.S. EPA conducted a study to help determine the occurrence of perchlorate in water across the country. EPA tested 34,193 samples from US public water systems. Of those, only 637 samples (1.86 percent) had perchlorate levels above 4 ppb.
FAQ