Arsenic in Drinking Water: Health Risks, EPA Guidelines, Testing, and the Best Water Filters

Arsenic contamination in drinking water

Arsenic is one of the most serious naturally occurring contaminants that can be found in drinking water. It has no taste, smell, or color, making it impossible to detect without testing. Long-term exposure to elevated arsenic levels has been linked to an increased risk of several cancers and other health problems, which is why the U.S. Environmental Protection Agency (EPA) strictly regulates arsenic in public drinking water.

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