Detected PFAS

PFAS in Mchenry, IL Drinking Water

PFAS data for Mchenry, Illinois · 55,801 residents · 2 ZIP codes

ZipCheckup's reading of PFAS in Mchenry, Illinois: PFAS carries a high health-risk designation.

PFAS exposure in drinking water is tracked by EPA across the country; households in Mchenry, Illinois are among those with confirmed detections in the public water record.

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

PFAS in Mchenry Tap Water

This analysis covers 55,801 residents across 2 ZIP codes in Mchenry.

Is PFAS in Mchenry Water Safe?

PFAS was detected in Mchenry water, but the available unit could not be normalized to the EPA MCL. ZipCheckup therefore cannot classify the result as within or above the federal limit.

Check the source utility record and consider independent testing before making a safety decision.

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 Mchenry 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

HomeContaminantsPFASIllinois → Mchenry

How to cite this page

APA ZipCheckup. (2026). PFAS in Mchenry, IL Drinking Water. https://zipcheckup.com/contaminants/pfas/mchenry-il/
BibTeX
@misc{zipcheckup-contaminants-pfas-mchenry-il,
  author = {{ZipCheckup}},
  title  = {{PFAS in Mchenry, IL Drinking Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/contaminants/pfas/mchenry-il/}
}

Page version: August 2026.

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