PlainWater
States → Illinois

COAL CITY

PWS ID: IL0630200 · COAL CITY, Illinois 60416

PFAS Detected

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

Population Served
5,749
Total Violations
621
Health-Based Violations
128
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,406
County
Grundy
School/Daycare
No
MCL Violations
125
Monitoring Violations
451
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 70 2021
Coliform (TCR) MR 45 2000
Gross Alpha, Excl. Radon and U MCL 35 1988
Coliform (TCR) MCL 20 2000
Public Notice Other 16 2025
BHC-GAMMA MR 10 2020
Atrazine MR 10 2020
Heptachlor epoxide MR 10 2020
2,4,5-TP MR 10 2020
Pentachlorophenol MR 10 2020
1,2-DIBROMO-3-CHLOROPROPANE MR 10 2020
ETHYLENE DIBROMIDE MR 10 2020
Chlordane MR 10 2020
Methoxychlor MR 10 2020
Toxaphene MR 10 2020
Heptachlor MR 10 2020
Endrin MR 10 2020
Dalapon MR 10 2020
Di(2-ethylhexyl) adipate MR 10 2020
OXAMYL MR 10 2020
Simazine MR 10 2020
Di(2-ethylhexyl) phthalate MR 10 2020
Picloram MR 10 2020
Dinoseb MR 10 2020
HEXACHLOROBENZENE MR 10 2020
Total Polychlorinated Biphenyls (PCB) MR 10 2020
Hexachlorocyclopentadiene MR 10 2020
LASSO MR 10 2020
Diquat MR 10 2020
2,4-D MR 10 2020

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
NMeFOSAA 8/25/2025 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 8/25/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/25/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 8/25/2025 <0.008 µg/L 0.008 µg/L Not Detected
lithium 8/25/2025 150.0000 µg/L 9 µg/L Detected
PFOA 2/11/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 2/11/2025 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 2/11/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 2/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 2/11/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 2/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 2/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 2/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 2/11/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 2/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 2/11/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 2/11/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFDoA 2/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 2/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 2/11/2025 <0.006 µg/L 0.006 µg/L Not Detected
lithium 2/11/2025 140.0000 µg/L 9 µg/L Detected
PFBS 2/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 2/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 2/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 2/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 2/11/2025 <0.02 µg/L 0.02 µg/L Not Detected
HFPO-DA 2/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 2/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 2/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 2/11/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 2/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 2/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 2/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 2/11/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 2/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 10/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 10/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 10/29/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 10/29/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 10/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 10/29/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 10/29/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 10/29/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxS 10/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 10/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 10/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 10/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 10/29/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 10/29/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 10/29/2025 <0.02 µg/L 0.02 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.