Trump’s EPA Just Removed Federal Limits on Four Cancer-Linked Chemicals in Your Tap Water

Key Takeaways

• The Trump EPA plans to remove federal drinking water limits for four PFAS chemicals tied to cancer, immune system damage, and other health concerns
• EPA testing has already found detectable PFAS in water systems serving roughly 176 million Americans across the country
• Environmental groups say the rollback weakens existing drinking water protections and could conflict with the Safe Drinking Water Act

PFAS chemicals have been found in drinking water systems across the US for years. But federal limits regulating some of those substances are now being scaled back. The Trump EPA this week proposed removing standards covering four PFAS compounds tied to health concerns. This includes cancer, immune suppression, and liver damage. The move affects parts of the Biden administration’s 2024 PFAS drinking water rules. It has already triggered criticism from environmental groups and public health advocates concerned about long-term exposure to forever chemicals in tap water.

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Trump EPA Rolls Back PFAS Drinking Water Protections

The Trump EPA PFAS rollback would eliminate federal limits for GenX, PFNA, PFHxS, and PFBS, while also removing the Hazard Index rule used to measure the combined health risks of several PFAS chemicals consumed together through drinking water.

PFAS, short for per-and polyfluoroalkyl substances, are used in products ranging from firefighting foam to nonstick cookware and stain-resistant materials. This is because the chemicals break down very slowly. They are commonly known as forever chemicals. EPA testing data released through the agency’s UCMR 5 program found detectable PFAS contamination in water systems serving roughly 176 million Americans.

EPA Administrator Lee Zeldin said parts of the 2024 standards may not hold up in court. He argued the agency is trying to avoid a longer regulatory process if the rules are struck down entirely.

The agency plans to keep restrictions on PFOA and PFOS, two of the most studied PFAS compounds. This is even though water systems may apply for deadline extensions, moving compliance from 2029 to 2031.

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Public Health Groups Question the Rollback

Environmental organizations and legal groups argue the Safe Drinking Water Act rollback could weaken existing protections rather than strengthen them. This, they say, conflicts with federal law.

Research cited by the EPA has linked PFAS cancer risk to kidney and testicular cancers. Meanwhile, other studies have connected long-term exposure to hormone disruption, developmental effects, and reduced immune response. David Andrews, chief science officer at the Environmental Working Group, said,

“The EPA’s own data proves that the known extent of PFAS contamination is getting worse, not better.”

In addition, Senator Elissa Slotkin, whose home state of Michigan has faced several PFAS contamination cases, criticized the proposal this week. Senator Slotkin further added,

“PFAS, or forever chemicals, poison our water, our soil, and our bodies and they don’t go away.”

The proposal will enter a 60-day public comment period after publication in the Federal Register. A public hearing is scheduled for July 7.

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