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States → Illinois

LIBERTYVILLE

PWS ID: IL0970900 · LIBERTYVILLE, Illinois 60048

PFAS Detected

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

Population Served
20,500
Total Violations
27
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
7,501
County
Lake
School/Daycare
No
MCL Violations
0
Monitoring Violations
23
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 10 2008
Chlorine MR 8 2008
Total Haloacetic Acids (HAA5) MR 2 2007
TTHM MR 2 2007
Gross Alpha, Excl. Radon and U MR 1 1977

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
PFHpA 8/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/31/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 8/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/31/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFNA 8/31/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/31/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/31/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 8/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 8/31/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/31/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/31/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/31/2023 0.0051 µg/L 0.005 µg/L Detected
6:2 FTS 8/31/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/31/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 8/31/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/31/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 8/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/30/2023 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 8/30/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 8/30/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 8/30/2023 <0.005 µg/L 0.005 µg/L Not Detected
lithium 8/30/2023 <9 µg/L 9 µg/L Not Detected
HFPO-DA 5/31/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 5/31/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 5/31/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 5/31/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 5/31/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 5/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 5/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 5/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 5/31/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 5/31/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 5/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/31/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 5/31/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFUnA 5/31/2023 <0.002 µg/L 0.002 µg/L Not Detected
9Cl-PF3ONS 5/31/2023 <0.002 µg/L 0.002 µg/L Not Detected
NMeFOSAA 5/31/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 5/31/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFBS 5/31/2023 <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.