Reference summary — not medical advice or a personal risk estimate.
Drinking water (contaminated)
Municipal or well water that may contain regulated contaminants at trace levels.
Also known as: well water, tap water
IARC-classified factors documented in this product
- Contains · Source: US EPA
Detected in tap water near industrial sites; regulated under EPA PFAS rules.
- Contains · Source: IARC
Naturally occurring in some groundwater; regulated by WHO and US EPA.
How to read this page
A factor appearing on this page means it has been documented in this product category — through EPA / FDA testing, IARC monographs, or regulatory recall records. Whether it presents a meaningful personal risk depends on the specific formulation, dose, and how you're exposed. Click any factor to read what science actually says about it, and where.