PFAS in San Diego, CA Drinking Water
PFAS data for San Diego, California · 1,330,316 residents · 40 ZIP codes
ZipCheckup's reading of PFAS in San Diego, California: PFAS carries a high health-risk designation.
People in San Diego, California who get water from the public supply are among residents whose systems have returned PFAS detections in EPA compliance testing.
Data: EPA SDWIS, CCR Reports, ECHO
PFAS in San Diego Tap Water
This analysis covers 1,330,316 residents across 40 ZIP codes in San Diego.
Is PFAS in San Diego Water Safe?
If you live in an affected ZIP code, consider installing a reverse osmosis or granular activated carbon filter certified under NSF 53 / NSF 58 and testing your water independently.
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 San Diego 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.