Study Reveals Drinking Water Contaminants Disproportionately Affect Minorities in the U.S.
A recent study published in the journal Environmental Health Perspectives found that nearly one third of Americans are exposed to unregulated contaminants in their drinking water, with Hispanic and Black communities facing higher risks. The research, conducted by the Silent Spring Institute, analyzed data collected by the U.S. Environmental Protection Agency between 2013 and 2015.
Researchers discovered that public water systems serving about 97 million people contained detectable levels of harmful chemicals, including probable carcinogens like 1,4-dioxane and toxic PFAS substances linked to various health problems. The study noted that residential areas with higher percentages of Hispanic and Black residents were more likely to have unsafe drinking water due to proximity to pollution sources such as industrial facilities and wastewater treatment plants.
Despite regulations requiring tests for nearly 100 contaminants, thousands of other harmful chemicals remain unregulated and can infiltrate water supplies. Researchers called for improved protection of source waters and stricter controls on discharges of pollutants to ensure better drinking water quality.
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