Exceeds EPA Limit PFAS EXCEEDS EPA LIMIT

PFAS in Lake Elmo, MN Drinking Water

PFAS data for Lake Elmo, Minnesota · 13,378 residents · 1 ZIP code

PFAS is regulated under the Safe Drinking Water Act because of its potential health effects at elevated concentrations; for residents of Lake Elmo, Minnesota, the relevant fact is that it has shown up in recent EPA compliance samples — point-of-use filtration is one option residents research, alongside reviewing the utility's published treatment data.

0.14 ppt
Max Level Detected
10 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 Lake Elmo Tap Water

PFAS has been detected in Lake Elmo, Minnesota drinking water at a maximum level of 0.14 ppt — below the EPA MCL of 4 ppt (PFOA/PFOS individually).

This analysis covers 13,378 residents across 1 ZIP code in Lake Elmo.

Lake Elmo's overall water quality grade is C (63/100).

Is PFAS in Lake Elmo Water Safe?

PFAS levels in parts of Lake Elmo exceed the EPA MCL of 4 ppt (PFOA/PFOS individually). The EPA requires water systems to take corrective action when this limit is exceeded.

If you live in an affected ZIP code, consider installing a reverse osmosis or granular activated carbon filter certified under NSF 53 / NSF 58 and testing your water independently.

PFAS Levels by ZIP Code

ZIP Code PFAS Level EPA Limit Status
55042 10 detections 4 ppt (PFOA/PFOS individually) Exceeds limit

Average pfas level across Lake Elmo: 10 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 Lake Elmo 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.

Related

HomeContaminantsPFASMinnesota → Lake Elmo
Check your water filter options Free tool — no phone call required.