PFAS in Cloquet, MN Drinking Water
PFAS data for Cloquet, Minnesota · 17,480 residents · 1 ZIP code
ZipCheckup's reading of PFAS in Cloquet, Minnesota: the highest detected level is 0.0084 ppt; the EPA limit is 4 ppt (PFOA/PFOS individually). PFAS carries a high health-risk designation.
Recent water testing in Cloquet, Minnesota has returned PFAS readings above detection thresholds.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-07-13
PFAS in Cloquet Tap Water
PFAS has been detected in Cloquet, Minnesota drinking water at a maximum level of 0.0084 detections — relative to the EPA MCL of 4 ppt (PFOA/PFOS individually).
This analysis covers 17,480 residents across 1 ZIP code in Cloquet.
Cloquet's overall water quality grade is B (81/100).
Is PFAS in Cloquet Water Safe?
PFAS was detected in Cloquet 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 |
|---|---|---|---|
| 55720 | 4 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
Average pfas level across Cloquet: 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 Cloquet 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.