PFAS in Port Jefferson Station, NY Drinking Water
PFAS data for Port Jefferson Station, New York · 23,629 residents · 1 ZIP code
Because PFAS is associated with health effects at sustained elevated exposures, residents in Port Jefferson Station, New York may find it useful that local water systems have returned detectable concentrations — facts that bear on long-term household water decisions.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-04-05
PFAS in Port Jefferson Station Tap Water
PFAS has been detected in Port Jefferson Station, New York drinking water at a maximum level of 0.0435 ppt — below the EPA MCL of 4 ppt (PFOA/PFOS individually).
This analysis covers 23,629 residents across 1 ZIP code in Port Jefferson Station.
Port Jefferson Station's overall water quality grade is D (45/100).
Is PFAS in Port Jefferson Station 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.
PFAS Levels by ZIP Code
| ZIP Code | PFAS Level | EPA Limit | Status |
|---|---|---|---|
| 11776 | 171 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
Average pfas level across Port Jefferson Station: 171 ppt
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 Port Jefferson Station 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.