CheckPFAS

SUEZ WATER DELAWARE

High Risk
PWSID: DE0000564 Delaware Surface Water

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.

9
PFAS Detected
2
Above EPA Limits
13
ZIPs Served
Surface
Water Source

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
24.40ppt
610% of limit
4 ppt⚠ Exceeds MCL
PFNA
Perfluorononanoic acid
11.60ppt
116% of limit
10 ppt⚠ Exceeds MCL
PFBA
Perfluorobutanoic acid
40.60pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
32.10pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
31.70pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
27.70pptNo federal limitUnregulated
PFDA
Perfluorodecanoic acid
4.70pptNo federal limitUnregulated
PFUnA
Perfluoroundecanoic acid
3.80pptNo federal limitUnregulated
Show 1 more compound detected at low levels
PFBSPerfluorobutane sulfonic acid3.70 pptNo federal limit

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)
DE0000564
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor