Millions of Americans rely on drinking water systems that have exceeded new limits for toxic “forever chemicals” announced by the EPA. The chemicals, known as PFAS, can build up in the environment and human bodies, increasing the risk of serious health problems. Last year, the EPA required water systems to test for PFAS, with more than 600 systems exceeding the new limits. Large cities have exceeded these limits at higher rates than smaller places. Some systems suspect false positives in their sample results, but the EPA is pushing for compliance with the new standards. It will cost billions for water systems to monitor and treat their water for PFAS, with the Bipartisan Infrastructure Law providing funding to help address contamination issues. The EPA is phasing in the new PFAS limits over several years to reduce the burden on cities. Water systems have until 2029 to monitor their levels and find solutions if they consistently violate the new limits. Enforcement of the limits could result in penalties, but the extent is still unknown. Overall, the issue of PFAS contamination in drinking water is a significant challenge that cities will need to address in the years to come.
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