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Index/Topics/Water Contamination

Water Contamination

The presence of contaminants such as lead, PFAS, bacteria, and arsenic in water.

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2 results
Jan 29, 2026
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How do independent lab tests of Culligan bottled water compare across regions?

’s publicly available materials describe a mix of performed primarily through an ‑certified lab that the company uses for detailed contaminant work; Culligan asserts consistent testing protocols and q...

Jan 10, 2026

Which types of water filters pose the most health risks?

Reverse osmosis systems and poorly maintained or mismatched filters present the clearest health risks: RO can strip beneficial minerals and raise dental concerns for some populations, while neglected ...