Municipal tap water in the United States is treated and tested and is generally safer than tap water in many parts of the world. But "legal" and "optimally clean" are not the same thing. The EPA's legally enforceable limits are often far above what health scientists now consider acceptable for long-term consumption.
Lead enters drinking water primarily through lead service lines and lead-containing solder and fixtures inside homes. There is no safe level of lead exposure according to the CDC. The problem is far more widespread than Flint, Michigan. Millions of homes across the US still have lead pipes or fixtures.
PFAS contamination of drinking water has been declared a public health crisis. A comprehensive 2023 USGS study tested tap water samples from across the country and found PFAS in approximately 45 percent of samples. The EPA established enforceable PFAS limits for the first time in 2024.
Filter Types Explained
- Pitcher filters (Brita, Pur): remove chlorine and improve taste but do not reliably remove PFAS or lead
- Under-sink carbon block (Clearly Filtered, Aquasana): good performance for most contaminants including some PFAS
- Under-sink reverse osmosis (APEC, iSpring): most thorough, removes PFAS, lead, nitrates, arsenic, and most other contaminants
References
Disclaimer: The content on this page is for informational purposes only and is not intended as medical, legal, or professional advice. References to third-party research, published studies, government databases, and external sources are included to support the information presented; they are reproduced here solely for educational purposes and remain the intellectual property of their respective authors and publishers. NonToxicLife.org does not claim ownership of any cited work. Always consult a qualified healthcare professional before making changes to your health, diet, or personal care routine.