Detected PFAS

PFAS in Hampstead, MD Drinking Water

PFAS data for Hampstead, Maryland · 15,070 residents · 1 ZIP code

ZipCheckup's reading of PFAS in Hampstead, Maryland: the highest detected level is 0.0173 ppt; the EPA limit is 4 ppt (PFOA/PFOS individually). PFAS carries a high health-risk designation.

Across Hampstead, Maryland, federal monitoring data has captured PFAS in water samples at detectable concentrations in the most recent available reporting cycle.

0.0173 ppt
Max Level Detected
77 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 Hampstead Tap Water

PFAS has been detected in Hampstead, Maryland drinking water at a maximum level of 0.0173 detections — relative to the EPA MCL of 4 ppt (PFOA/PFOS individually).

This analysis covers 15,070 residents across 1 ZIP code in Hampstead.

Hampstead's overall water quality grade is C (65/100).

Is PFAS in Hampstead Water Safe?

PFAS was detected in Hampstead water but currently falls within EPA limits. However, some health organizations argue the EPA MCL may not be protective enough.

If you are concerned, a reverse osmosis or granular activated carbon filter can reduce pfas levels further.

PFAS Levels by ZIP Code

ZIP Code PFAS Level EPA Limit Status
21074 77 detections 4 ppt (PFOA/PFOS individually) Not comparable

Average pfas level across Hampstead: 77 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 Hampstead 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

HomeContaminantsPFASMaryland → Hampstead

How to cite this page

APA ZipCheckup. (2026). PFAS in Hampstead, MD Drinking Water. https://zipcheckup.com/contaminants/pfas/hampstead-md/
BibTeX
@misc{zipcheckup-contaminants-pfas-hampstead-md,
  author = {{ZipCheckup}},
  title  = {{PFAS in Hampstead, MD Drinking Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/contaminants/pfas/hampstead-md/}
}

Data as of July 2026.

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