PFAS in Floyds Knobs, IN Drinking Water
PFAS data for Floyds Knobs, Indiana · 11,748 residents · 1 ZIP code
ZipCheckup's reading of PFAS in Floyds Knobs, Indiana: the highest detected level is 0.0072 ppt; the EPA limit is 4 ppt (PFOA/PFOS individually). PFAS carries a high health-risk designation.
Because PFAS is associated with health effects at sustained elevated exposures, residents in Floyds Knobs, Indiana may find it useful that local water systems have returned detectable concentrations - facts that bear on long-term household water decisions.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-07-13
PFAS in Floyds Knobs Tap Water
PFAS has been detected in Floyds Knobs, Indiana drinking water at a maximum level of 0.0072 detections — relative to the EPA MCL of 4 ppt (PFOA/PFOS individually).
This analysis covers 11,748 residents across 1 ZIP code in Floyds Knobs.
Floyds Knobs's overall water quality grade is B (83/100).
Is PFAS in Floyds Knobs Water Safe?
PFAS was detected in Floyds Knobs 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 |
|---|---|---|---|
| 47119 | 4 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
Average pfas level across Floyds Knobs: 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 Floyds Knobs Water
- Install a reverse osmosis system (most effective — removes 90%+ of PFAS)
- Granular activated carbon (GAC) filters remove some PFAS compounds
- Look for NSF 53 or NSF 58 certification specifically tested for PFAS
- Pitcher filters with activated carbon provide partial reduction
Look for filters certified under NSF 53 / NSF 58 for pfas removal.