CheckPFAS

ZIP Code 48178

Low Level
Low Level PFAS Risk Level
2
PFAS Detected
0
Above EPA Limits
1
Water System
54%
Highest % of MCL

What this means for you

Very low PFAS concentrations were detected — well below the EPA's Maximum Contaminant Level. For most healthy adults, this represents a minimal incremental risk from drinking water. The most proportionate response is to note the result and check your utility's Consumer Confidence Report again next year. If you have specific health concerns or vulnerable household members, speaking with your doctor and optionally installing a certified point-of-use filter is a reasonable step.

SOUTH LYON, CITY OF

MI0006110 Low Level
Water Type
Groundwater
PFAS Detected
2
Above MCL
0
State
Michigan
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
HFPO-DA
GenX (Hexafluoropropylene oxide dimer acid)
5.40ppt
54% of limit
10 pptBelow limit
lithium
9980.00pptNo federal limitUnregulated
About this data
Source
EPA UCMR 5 (Unregulated Contaminant Monitoring Rule, 5th cycle)
Data released
January 2026
Sampling period
January 2023 – December 2025
Systems tested
~10,000 public water systems serving > 25 people
Water system (PWSID)
MI0006110
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor, not zero

Values shown are the highest single-sample concentration measured at entry points to the distribution system. Results reflect water quality at the treatment plant — aging pipes, building plumbing, and on-site storage can affect what actually reaches your tap.