CheckPFAS

TOWN OF ELKTON

High Risk
PWSID: MD0070011 Maryland Groundwater

2 PFAS compound(s) exceed EPA Maximum Contaminant Levels

This utility has until 2029 to install treatment under the EPA's April 2024 PFAS rule. In the meantime, a point-of-use filter certified NSF/ANSI 58 for PFOA/PFOS provides reliable interim protection.

8
PFAS Detected
2
Above EPA Limits
1
ZIP Served
Groundwater
Water Source

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
23.30ppt
583% of limit
4 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
7.10ppt
178% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
4.40ppt
44% of limit
10 pptBelow limit
PFPeA
Perfluoropentanoic acid
14.40pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
12.80pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
12.30pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
8.60pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
6.50pptNo 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)
MD0070011
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor