US Tap Water: Forever Chemicals Restricted

‘Forever chemicals’ limited in US tap water

‘Forever chemicals’ limited in US tap water

Recent studies have found that “forever chemicals,” also known as per- and polyfluoroalkyl substances (PFAS), are present in US tap water but at levels that are below the health advisory limits set by the Environmental Protection Agency (EPA).

PFAS are a group of man-made chemicals widely used in products such as non-stick cookware, stain-resistant fabrics, and firefighting foam. These chemicals have been linked to a variety of health issues, including cancer, immune system disorders, and developmental delays.

The EPA set health advisory limits for two of the most common PFAS compounds, perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS), at 70 parts per trillion (ppt) in drinking water. While some communities have reported levels of PFAS above these limits, the majority of US tap water samples have shown levels below these thresholds.

Despite the relatively low levels of PFAS found in US tap water, many experts believe that more stringent regulations are needed to protect public health. Some states have already implemented stricter guidelines for PFAS in drinking water, and there are ongoing efforts at the federal level to establish nationwide limits for these contaminants.

As the scientific community continues to study the health effects of PFAS and the best ways to reduce exposure to these chemicals, it is important for consumers to stay informed about the quality of their drinking water and advocate for stronger measures to safeguard public health.

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