Study Links PFAS Contamination in Drinking Water to Increased Infant Mortality

A recent peer-reviewed study conducted by researchers at the University of Arizona has established a significant correlation between drinking water contaminated with per- and polyfluoroalkyl substances (PFAS) and adverse health outcomes for infants. Analyzing data from 11,000 births in New Hampshire, the study found that infants born to mothers using well water downstream from PFAS-contaminated sites experienced a 191% increase in mortality rates, a 20% rise in pre-term births, and a 43% increase in low-weight births. Additionally, rates of extremely premature births and extremely low-weight births were elevated by 168% and 180%, respectively.

The Guardian

The study's methodology is notable for its ability to isolate the effects of PFAS exposure. Researchers identified 41 contaminated sites in New Hampshire and utilized topographical data to track groundwater flow. This approach allowed them to compare reproductive outcomes between mothers using water from contaminated wells and those using water from uncontaminated sources. The randomization of exposure—where mothers were unaware of their water source—enhanced the study's reliability.

The Guardian

The economic ramifications of PFAS contamination are substantial. The authors estimate that the negative health impacts associated with PFAS exposure cost the contiguous United States nearly $8 billion annually in healthcare expenses and lost productivity. In contrast, the estimated cost of implementing current regulations to remove PFAS from drinking water is approximately $3.8 billion. Derek Lemoine, a co-author of the study, emphasized that the long-term benefits of PFAS cleanup far outweigh the initial costs.

The Guardian

Derek Lemoine stated, “We are trying to put numbers on this and that’s important because when you want to clean up and regulate PFAS, there’s a real cost to it.” Sydney Evans, a senior science analyst with the Environmental Working Group, remarked on the study's significance, asserting that it underscores the toxicity of PFAS at low concentrations. The Biden administration has recently implemented limits on six types of PFAS in drinking water, while the Trump administration has sought to roll back some of these regulations.

The Guardian

Despite the study's robust findings, some limitations were acknowledged. Lemoine noted that the research does not account for other contaminants present in the water or the exact levels of PFAS exposure experienced by the mothers. Critics argue that further analysis is necessary to fully understand the implications of PFAS exposure on public health.

The GuardianNew research links health impacts related to 'forever chemicals' to billions in economic losses

• “I don’t know if we expected to find effects this big and this detectable, especially given that there isn’t that much infant mortality, and there aren’t that many extremely low weight or pre-term births,” — Derek Lemoine, Co-author, University of Arizona

The Guardian

• “that Pfas is no joke, and is toxic at very low concentrations” — Sydney Evans, Senior Science Analyst, Environmental Working Group

The Guardian

• “Removing PFAS from drinking water not only results in drastically improved health outcomes. It also produces a significant long-term economic benefit.” — Derek Lemoine, Co-author, University of Arizona

New research links health impacts related to 'forever chemicals' to billions in economic losses

The findings of this study raise critical questions about the need for further research and potential regulatory changes regarding PFAS. The authors suggest that similar analyses should be conducted in other states to assess the broader implications of PFAS exposure on maternal and infant health.

The Guardian