Exceeds EPA Limit PFAS EXCEEDS EPA LIMIT

PFAS in Locust Valley, NY Drinking Water

PFAS data for Locust Valley, New York · 6,951 residents · 1 ZIP code

ZipCheckup's reading of PFAS in Locust Valley, New York: PFAS carries a high health-risk designation.

PFAS exposure in drinking water is tracked by EPA across the country; households in Locust Valley, New York are among those with confirmed detections in the public water record.

4 ppt (PFOA/PFOS individually)
EPA MCL
High
Health Risk
Reverse Osmosis or Granular Activated Carbon
Best Filter Method

Data: EPA SDWIS, CCR Reports, ECHO

PFAS in Locust Valley Tap Water

This analysis covers 6,951 residents across 1 ZIP code in Locust Valley.

Is PFAS in Locust Valley Water Safe?

PFAS levels in parts of Locust Valley exceed the EPA MCL of 4 ppt (PFOA/PFOS individually). The EPA requires water systems to take corrective action when this limit is exceeded.

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 Locust Valley Water

  1. Install a reverse osmosis system (most effective — removes 90%+ of PFAS)
  2. Granular activated carbon (GAC) filters remove some PFAS compounds
  3. Look for NSF 53 or NSF 58 certification specifically tested for PFAS
  4. Pitcher filters with activated carbon provide partial reduction

Look for filters certified under NSF 53 / NSF 58 for pfas removal.

Related

HomeContaminantsPFASNew York → Locust Valley

How to cite this page

APA ZipCheckup. (2026). PFAS in Locust Valley, NY Drinking Water. https://zipcheckup.com/contaminants/pfas/locust-valley-ny/
BibTeX
@misc{zipcheckup-contaminants-pfas-locust-valley-ny,
  author = {{ZipCheckup}},
  title  = {{PFAS in Locust Valley, NY Drinking Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/contaminants/pfas/locust-valley-ny/}
}

Page version: August 2026.

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