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States → Illinois

SHERRARD JR/SR HIGH SCHOOL

PWS ID: IL3090290 · MILAN, Illinois 61264

PFAS Detected

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

Population Served
800
Total Violations
64
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Public/Private
Connections
1
County
Rock Island
School/Daycare
Yes
MCL Violations
11
Monitoring Violations
41
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 27 2024
Revised Total Coliform Rule MON 9 2024
Nitrate MCL 7 1992
Coliform (TCR) MR 5 1989
Coliform (TCR) MCL 4 2015
Revised Total Coliform Rule RPT 4 2024
Public Notice Other 2 2025

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFNA 9/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 9/10/2024 24.0000 µg/L 9 µg/L Detected
HFPO-DA 9/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 9/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 9/10/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 9/10/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFPeS 9/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 9/10/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/10/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/10/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 9/10/2024 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 9/10/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFHxS 9/10/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/10/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 3/11/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFHxA 3/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 3/11/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 3/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 3/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 3/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 3/11/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 3/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 3/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 3/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 3/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 3/11/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 3/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 3/11/2024 <0.002 µg/L 0.002 µg/L Not Detected
lithium 3/11/2024 25.0000 µg/L 9 µg/L Detected
PFUnA 3/11/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHpA 3/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 3/11/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 3/11/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 3/11/2024 <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.