Detected PFAS

PFAS in Quincy, IL Drinking Water

PFAS data for Quincy, Illinois · 48,254 residents · 3 ZIP codes

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

0.0135 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: 2026-05-14

PFAS in Quincy Tap Water

PFAS has been detected in Quincy, Illinois drinking water at a maximum level of 0.0135 ppt — below the EPA MCL of 4 ppt (PFOA/PFOS individually).

This analysis covers 48,254 residents across 3 ZIP codes in Quincy.

Quincy's overall water quality grade is C (58/100).

Is PFAS in Quincy Water Safe?

PFAS was detected in Quincy 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
62301 5 detections 4 ppt (PFOA/PFOS individually) Exceeds limit
62305 5 detections 4 ppt (PFOA/PFOS individually) Exceeds limit

Average pfas level across Quincy: 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 Quincy 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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