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States → Illinois

ZION

PWS ID: IL0972000 · ZION, Illinois 60099

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
24,442
Total Violations
21
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
7,080
County
Lake
School/Daycare
No
MCL Violations
0
Monitoring Violations
4
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 3 2023
Consumer Confidence Rule Other 3 2025
Public Notice Other 2 2024
Coliform (TCR) MR 1 1996

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFHpS 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 7/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 7/16/2025 <0.02 µg/L 0.02 µg/L Not Detected
NEtFOSAA 7/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/16/2025 <0.006 µg/L 0.006 µg/L Not Detected
4:2 FTS 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 7/16/2025 <0.007 µg/L 0.007 µg/L Not Detected
8:2 FTS 7/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 7/16/2025 <9 µg/L 9 µg/L Not Detected
PFDA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 7/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 7/16/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFBS 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/16/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 7/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 7/16/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFBA 7/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 7/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/12/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 5/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 5/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 5/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 5/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 5/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 5/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 5/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 5/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 5/12/2025 <0.002 µg/L 0.002 µg/L Not Detected
9Cl-PF3ONS 5/12/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 5/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 5/12/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/12/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 5/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 5/12/2025 <0.003 µg/L 0.003 µg/L Not Detected
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.