PFAS in Minnesota Drinking Water — 11 ZIPs Tested

PFAS Contamination in Minnesota

ZipCheckup analyzed drinking water data across 1,009 ZIP codes in Minnesota for pfas contamination. 11 ZIP codes have reported pfas detections, and 10 have EPA violations on record.

The violation rate for pfas in Minnesota is 1% of all ZIP codes — lower than the national average.

EPA Standard for PFAS

The EPA maximum contaminant level (MCL) for pfas is 4 ppt (PFOA/PFOS), governed by the PFAS NPDWR (2024). Water systems that exceed this limit must take corrective action and notify consumers.

Worst ZIP Codes for PFAS in Minnesota

These ZIP codes reported the highest pfas levels in Minnesota based on CCR reports and EPA data:

Lowest PFAS Levels in Minnesota

These ZIP codes had the lowest reported pfas detections in Minnesota:

Health Effects of PFAS

PFAS (per- and polyfluoroalkyl substances) are linked to cancer (kidney, testicular), thyroid disease, immune system suppression, reproductive problems, and elevated cholesterol. These "forever chemicals" persist in the body for years.

How to Remove PFAS From Drinking Water

The most effective treatment for pfas removal is Reverse Osmosis or Granular Activated Carbon. Look for filters certified under NSF 53 / NSF 58 standards.

Check Your ZIP Code

Use the ZipCheckup water quality search to see pfas data for your specific water system in Minnesota.