Detected PFAS

PFAS in Pine Knot, KY Drinking Water

PFAS data for Pine Knot, Kentucky · 34,439 residents · 1 ZIP code

If you rely on a public water system in Pine Knot, Kentucky, PFAS is a contaminant your utility has been required to test for — and EPA records show it has been detected at measurable levels, making it worth understanding as part of your tap water's detection record.

0.0059 ppt
Max Level Detected
1 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 Pine Knot Tap Water

PFAS has been detected in Pine Knot, Kentucky drinking water at a maximum level of 0.0059 ppt — below the EPA MCL of 4 ppt (PFOA/PFOS individually).

This analysis covers 34,439 residents across 1 ZIP code in Pine Knot.

Pine Knot's overall water quality grade is D (53/100).

Is PFAS in Pine Knot Water Safe?

PFAS was detected in Pine Knot 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
42635 1 detections 4 ppt (PFOA/PFOS individually) OK

Average pfas level across Pine Knot: 1 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 Pine Knot 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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