Is it safe for athletic teens to drink lots of PFAS-contaminated water during sports season?
No. Active teens drinking PFAS-contaminated water get a larger dose per day.
What's actually in it
Athletic teens drink 3-6 liters of water per day during training, compared to 1-2 liters for sedentary peers. If the water source has PFAS contamination, their exposure scales directly. The teen years are also when the reproductive system, liver, and kidneys are maturing. PFAS affect all three.
School water fountains in buildings with older plumbing can have elevated PFAS. So can contaminated public water systems.
What the research says
A 2026 study in Environ Res found prenatal and postnatal PFAS exposure correlates with pubertal development in boys and girls. Another 2026 study in Environ Res linked early-life PFAS and heavy metals with lower lung function in school-age children. Teens drinking contaminated water at higher volumes extend these exposure effects.
Practical moves: pack a stainless steel water bottle filled from a known-clean home source rather than drinking from school fountains. At home, install a NSF 401/53 certified filter (Clearly Filtered, Berkey, reverse osmosis) for PFAS removal. Check your state's water contamination map for known PFAS hotspots. For athletes traveling to meets, bring your own water rather than relying on venue sources of unknown quality.
The research at a glance
| Study | Journal | Year |
|---|---|---|
| Early-life exposure to per- and polyfluoroalkyl substances and heavy metals and lower lung function in school-age children. | Environ Res | 2026 |
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