PFAS in Saint Louis, MO Drinking Water
PFAS data for Saint Louis, Missouri · 891,907 residents · 46 ZIP codes
ZipCheckup's reading of PFAS in Saint Louis, Missouri: PFAS carries a high health-risk designation.
Across Saint Louis, Missouri, federal monitoring data has captured PFAS in water samples at detectable concentrations in the most recent available reporting cycle.
Data: EPA SDWIS, CCR Reports, ECHO
PFAS in Saint Louis Tap Water
This analysis covers 891,907 residents across 46 ZIP codes in Saint Louis.
Is PFAS in Saint Louis Water Safe?
PFAS was detected in Saint Louis water, but the available unit could not be normalized to the EPA MCL. ZipCheckup therefore cannot classify the result as within or above the federal limit.
Check the source utility record and consider independent testing before making a safety decision.
Health Effects of PFAS
- Increased risk of kidney and testicular cancer
- Thyroid disease and immune system suppression
- Reproductive problems and reduced fertility
- Elevated cholesterol and liver effects
- Developmental effects in infants and children
Health risk severity: High. Governed by the PFAS National Primary Drinking Water Regulation (2024).
How PFAS Gets Into Drinking Water
- Firefighting foam (AFFF) used at military bases and airports
- Industrial manufacturing (non-stick coatings, stain-resistant fabrics)
- Wastewater treatment plants that receive industrial discharge
- Landfill leachate from PFAS-containing consumer products
What to Do About PFAS in Saint Louis Water
- Install a reverse osmosis system (most effective — removes 90%+ of PFAS)
- Granular activated carbon (GAC) filters remove some PFAS compounds
- Look for NSF 53 or NSF 58 certification specifically tested for PFAS
- Pitcher filters with activated carbon provide partial reduction
Look for filters certified under NSF 53 / NSF 58 for pfas removal.