PFAS in Sunnyvale, CA Drinking Water
PFAS data for Sunnyvale, California · 153,455 residents · 4 ZIP codes
ZipCheckup's reading of PFAS in Sunnyvale, California: PFAS carries a high health-risk designation.
Over the past reporting period, water systems in Sunnyvale, California have recorded PFAS at detectable concentrations in EPA compliance samples.
Data: EPA SDWIS, CCR Reports, ECHO
PFAS in Sunnyvale Tap Water
This analysis covers 153,455 residents across 4 ZIP codes in Sunnyvale.
Is PFAS in Sunnyvale Water Safe?
PFAS was detected in Sunnyvale 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 Sunnyvale 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.