PFAS in Port Washington, NY Drinking Water
PFAS data for Port Washington, New York · 36,900 residents · 6 ZIP codes
PFAS exposure in drinking water is tracked by EPA across the country; households in Port Washington, New York are among those with confirmed detections in the public water record.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
PFAS in Port Washington Tap Water
PFAS has been detected in Port Washington, New York drinking water at a maximum level of 0.0069 ppt — below the EPA MCL of 4 ppt (PFOA/PFOS individually).
This analysis covers 36,900 residents across 6 ZIP codes in Port Washington.
Port Washington's overall water quality grade is B (81/100).
Is PFAS in Port Washington 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 |
|---|---|---|---|
| 11050 | 11 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
Average pfas level across Port Washington: 11 ppt
EPA Violations for PFAS in Port Washington
| Date | Violation Type | Status | ZIP Code |
|---|---|---|---|
| 2024-04-01 | PFOS (Known) | Known | 11050 |
| 2024-04-01 | PFOS (Known) | Known | 11050 |
| 2024-04-01 | PFOS (Known) | Known | 11051 |
| 2024-04-01 | PFOS (Known) | Known | 11051 |
| 2024-04-01 | PFOS (Known) | Known | 11052 |
| 2024-04-01 | PFOS (Known) | Known | 11052 |
| 2024-04-01 | PFOS (Known) | Known | 11053 |
| 2024-04-01 | PFOS (Known) | Known | 11053 |
| 2024-04-01 | PFOS (Known) | Known | 11054 |
| 2024-04-01 | PFOS (Known) | Known | 11054 |
| 2024-04-01 | PFOS (Known) | Known | 11055 |
| 2024-04-01 | PFOS (Known) | Known | 11055 |
| 2024-01-01 | PFOS (Known) | Known | 11050 |
| 2024-01-01 | PFOS (Known) | Known | 11051 |
| 2024-01-01 | PFOS (Known) | Known | 11052 |
| 2024-01-01 | PFOS (Known) | Known | 11053 |
| 2024-01-01 | PFOS (Known) | Known | 11054 |
| 2024-01-01 | PFOS (Known) | Known | 11055 |
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 Washington 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.