Detected PFAS

PFAS in Seabrook, NH Drinking Water

PFAS data for Seabrook, New Hampshire · 8,613 residents · 1 ZIP code

ZipCheckup's reading of PFAS in Seabrook, New Hampshire: the highest detected level is 0.008 ppt; the EPA limit is 4 ppt (PFOA/PFOS individually). PFAS carries a high health-risk designation.

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

0.008 ppt
Max Level Detected
4 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 Seabrook Tap Water

PFAS has been detected in Seabrook, New Hampshire drinking water at a maximum level of 0.008 detections — relative to the EPA MCL of 4 ppt (PFOA/PFOS individually).

This analysis covers 8,613 residents across 1 ZIP code in Seabrook.

Seabrook's overall water quality grade is B (70/100).

Is PFAS in Seabrook Water Safe?

PFAS was detected in Seabrook 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
03874 4 detections 4 ppt (PFOA/PFOS individually) Not comparable

Average pfas level across Seabrook: 4 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 Seabrook 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

HomeContaminantsPFAS → New Hampshire → Seabrook

How to cite this page

APA ZipCheckup. (2026). PFAS in Seabrook, NH Drinking Water. https://zipcheckup.com/contaminants/pfas/seabrook-nh/
BibTeX
@misc{zipcheckup-contaminants-pfas-seabrook-nh,
  author = {{ZipCheckup}},
  title  = {{PFAS in Seabrook, NH Drinking Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/contaminants/pfas/seabrook-nh/}
}

Data as of July 2026.

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