CheckPFAS

Oak Park Heights

Moderate
PWSID: MN1820020 Minnesota Groundwater

5 PFAS compounds detected at measurable levels

All detected PFAS are below the EPA Maximum Contaminant Levels set in April 2024.

5
PFAS Detected
0
Above EPA Limits
1
ZIP Served
Groundwater
Water Source

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFHxS
Perfluorohexane sulfonic acid
7.40ppt
74% of limit
10 pptBelow limit
PFBA
Perfluorobutanoic acid
130.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
4.80pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
4.80pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
4.40pptNo federal limitUnregulated

ZIP Codes Served by This Utility

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About this data
Source
EPA UCMR 5 — January 2026 release
Sampling period
January 2023 – December 2025
Water system ID (PWSID)
MN1820020
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor