Exceeds EPA Limit PFAS EXCEEDS EPA LIMIT

PFAS in Brooklyn, NY Drinking Water

PFAS data for Brooklyn, New York · 2,646,164 residents · 51 ZIP codes

People in Brooklyn, New York who get water from the public supply are among residents whose systems have returned PFAS detections in EPA compliance testing.

4 ppt (PFOA/PFOS individually)
EPA MCL
765
EPA Violations
High
Health Risk
Reverse Osmosis or Granular Activated Carbon
Best Filter Method

Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-04-05

PFAS in Brooklyn Tap Water

Brooklyn, New York has 765 EPA violations related to pfas in drinking water.

This analysis covers 2,646,164 residents across 51 ZIP codes in Brooklyn.

Brooklyn's overall water quality grade is C (60/100).

Is PFAS in Brooklyn Water Safe?

PFAS levels in parts of Brooklyn 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.

EPA Violations for PFAS in Brooklyn

Date Violation Type Status ZIP Code
2025-04-01 PFOA (Known) Known 11201
2025-04-01 PFOS (Known) Known 11201
2025-04-01 PFOA (Known) Known 11202
2025-04-01 PFOS (Known) Known 11202
2025-04-01 PFOA (Known) Known 11203
2025-04-01 PFOS (Known) Known 11203
2025-04-01 PFOA (Known) Known 11204
2025-04-01 PFOS (Known) Known 11204
2025-04-01 PFOA (Known) Known 11205
2025-04-01 PFOS (Known) Known 11205
2025-04-01 PFOA (Known) Known 11206
2025-04-01 PFOS (Known) Known 11206
2025-04-01 PFOA (Known) Known 11207
2025-04-01 PFOS (Known) Known 11207
2025-04-01 PFOA (Known) Known 11208
2025-04-01 PFOS (Known) Known 11208
2025-04-01 PFOA (Known) Known 11209
2025-04-01 PFOS (Known) Known 11209
2025-04-01 PFOA (Known) Known 11210
2025-04-01 PFOS (Known) Known 11210
... 745 more violations

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 Brooklyn 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.

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