PlainWater

FOSTERBURG PWD

PWS ID: IL1195220 · ALTON, Illinois 62002

PFAS Detected

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

Population Served
7,940
Total Violations
25
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,176
County
Madison
School/Daycare
No
MCL Violations
0
Monitoring Violations
11
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MR 4 2016
TTHM MR 4 2016
Coliform (TCR) MR 2 2000
Chloramine MR 1 2025

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 90 samples detected PFAS.

Contaminant Date Result MRL Status
PFHpA 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/8/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 9/8/2025 <9 µg/L 9 µg/L Not Detected
11Cl-PF3OUdS 9/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 9/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 9/8/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 9/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/8/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 9/8/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFOS 9/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 9/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 9/8/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFPeS 9/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/8/2025 0.0031 µg/L 0.003 µg/L Detected
PFMPA 9/8/2025 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/8/2025 0.0076 µg/L 0.005 µg/L Detected
HFPO-DA 9/8/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 9/8/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/8/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFUnA 6/3/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFPeS 6/3/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/3/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/3/2025 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 6/3/2025 0.0067 µg/L 0.005 µg/L Detected
HFPO-DA 6/3/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 6/3/2025 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 6/3/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 6/3/2025 <9 µg/L 9 µg/L Not Detected
PFOA 6/3/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/3/2025 <0.004 µg/L 0.004 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.