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States → Illinois

NORTH PARK PWD

PWS ID: IL2015500 · MACHESNEY PARK, Illinois 61115

PFAS Detected

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

Population Served
35,580
Total Violations
33
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
12,958
County
Winnebago
School/Daycare
No
MCL Violations
12
Monitoring Violations
13
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Tetrachloroethylene MCL 12 1999
Nitrate MR 8 1993
Coliform (TCR) MR 2 2000
Chlorine 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. 23 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
ADONA 8/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/21/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/21/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/21/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/21/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/21/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFPeA 8/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 8/21/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFMBA 8/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
lithium 8/21/2025 <9 µg/L 9 µg/L Not Detected
PFOS 8/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 8/21/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFHxS 8/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/21/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/21/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/21/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFBS 8/21/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 8/21/2025 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 8/21/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/21/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFEESA 8/14/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 8/14/2025 <9 µg/L 9 µg/L Not Detected
NMeFOSAA 8/14/2025 <0.006 µg/L 0.006 µg/L Not Detected
ADONA 8/14/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/14/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/14/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFMBA 8/14/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/14/2025 0.0031 µg/L 0.003 µg/L Detected
PFMPA 8/14/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 8/14/2025 <0.008 µg/L 0.008 µg/L Not Detected
4:2 FTS 8/14/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/14/2025 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 8/14/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/14/2025 0.0055 µg/L 0.005 µg/L Detected
HFPO-DA 8/14/2025 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 8/14/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/14/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFPeS 8/14/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/14/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 8/14/2025 <0.002 µg/L 0.002 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.