Exceeds EPA Limit PFAS EXCEEDS EPA LIMIT

PFAS in Stamford, CT Drinking Water

PFAS data for Stamford, Connecticut · 135,720 residents · 19 ZIP codes

Federal water monitoring extends to thousands of public water systems, and in Stamford, Connecticut, that tracking has turned up PFAS — the detection is logged in the EPA compliance record and reflects samples collected under routine Safe Drinking Water Act reporting requirements.

0.0043 ppt
Max Level Detected
5 ppt
Average Level
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 Last verified: 2026-04-05

PFAS in Stamford Tap Water

PFAS has been detected in Stamford, Connecticut drinking water at a maximum level of 0.0043 ppt — below the EPA MCL of 4 ppt (PFOA/PFOS individually).

This analysis covers 135,720 residents across 19 ZIP codes in Stamford.

Stamford's overall water quality grade is C (64/100).

Is PFAS in Stamford Water Safe?

PFAS levels in parts of Stamford 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.

PFAS Levels by ZIP Code

ZIP Code PFAS Level EPA Limit Status
06901 5 detections 4 ppt (PFOA/PFOS individually) Exceeds limit
06903 5 detections 4 ppt (PFOA/PFOS individually) Exceeds limit
06905 5 detections 4 ppt (PFOA/PFOS individually) Exceeds limit
06906 5 detections 4 ppt (PFOA/PFOS individually) Exceeds limit
06907 5 detections 4 ppt (PFOA/PFOS individually) Exceeds limit

Average pfas level across Stamford: 5 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 Stamford 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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