Exceeds EPA Limit PFAS EXCEEDS EPA LIMIT

PFAS in Philadelphia, PA Drinking Water

PFAS data for Philadelphia, Pennsylvania · 1,582,836 residents · 87 ZIP codes

ZipCheckup's reading of PFAS in Philadelphia, Pennsylvania: the highest detected level is 7.3 ppt; the EPA limit is 4 ppt (PFOA/PFOS individually). PFAS carries a high health-risk designation.

Because PFAS is associated with health effects at sustained elevated exposures, residents in Philadelphia, Pennsylvania may find it useful that local water systems have returned detectable concentrations - facts that bear on long-term household water decisions.

7.3 ppt
Max Level Detected
17.96 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: 2026-07-13

PFAS in Philadelphia Tap Water

PFAS has been detected in Philadelphia, Pennsylvania drinking water at a maximum level of 7.3 detections — relative to the EPA MCL of 4 ppt (PFOA/PFOS individually).

This analysis covers 1,582,836 residents across 87 ZIP codes in Philadelphia.

Philadelphia's overall water quality grade is A (91/100).

Is PFAS in Philadelphia Water Safe?

PFAS levels in parts of Philadelphia 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
19113 275 detections 4 ppt (PFOA/PFOS individually) Not comparable
19131 275 detections 4 ppt (PFOA/PFOS individually) Not comparable
19102 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19103 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19104 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19106 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19107 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19111 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19112 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19114 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19115 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19116 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19118 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19119 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19120 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19121 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19122 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19123 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19124 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19125 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19126 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19127 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19128 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19129 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
19130 50 detections 4 ppt (PFOA/PFOS individually) Not comparable
...195 more ZIP codes

Average pfas level across Philadelphia: 17.96 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 Philadelphia 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

HomeContaminantsPFASPennsylvania → Philadelphia

How to cite this page

APA ZipCheckup. (2026). PFAS in Philadelphia, PA Drinking Water. https://zipcheckup.com/contaminants/pfas/philadelphia-pa/
BibTeX
@misc{zipcheckup-contaminants-pfas-philadelphia-pa,
  author = {{ZipCheckup}},
  title  = {{PFAS in Philadelphia, PA Drinking Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/contaminants/pfas/philadelphia-pa/}
}

Data as of July 2026.

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