PlainWater

CHANNAHON

PWS ID: IL1970200 · CHANNAHON, Illinois 60410

PFAS Detected

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

Population Served
13,380
Total Violations
138
Health-Based Violations
116
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
3,736
County
Will
School/Daycare
No
MCL Violations
116
Monitoring Violations
12
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 97 2005
Gross Alpha, Excl. Radon and U MCL 19 1988
Coliform (TCR) MR 11 1998
Consumer Confidence Rule Other 4 2023
Gross Alpha, Excl. Radon and U MR 1 1977

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 17 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
PFHxS 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/4/2024 0.0082 µg/L 0.003 µg/L Detected
PFDoA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/4/2024 0.0046 µg/L 0.004 µg/L Detected
PFBS 6/4/2024 0.0150 µg/L 0.003 µg/L Detected
PFNA 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/4/2024 <0.002 µg/L 0.002 µg/L Not Detected
8:2 FTS 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 6/4/2024 0.0059 µg/L 0.004 µg/L Detected
11Cl-PF3OUdS 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 6/4/2024 <0.002 µg/L 0.002 µg/L Not Detected
NMeFOSAA 6/4/2024 <0.006 µg/L 0.006 µg/L Not Detected
HFPO-DA 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 6/4/2024 23.0000 µg/L 9 µg/L Detected
4:2 FTS 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 6/4/2024 0.0120 µg/L 0.003 µg/L Detected
PFMBA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 6/4/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 6/4/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 6/4/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 6/4/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/4/2024 0.0081 µg/L 0.005 µg/L Detected
PFTrDA 6/4/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 6/4/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTA 6/10/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFPeS 6/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/10/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/10/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFHpS 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 6/10/2024 61.0000 µg/L 9 µg/L Detected
PFBA 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 6/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 6/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 6/10/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFUnA 6/10/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFDoA 6/10/2024 <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.