Collinsville

Published drinking-water records and contacts for Collinsville. System IL1194280. Review sources and dates; not a real-time water assessment.

System ID: IL1194280
State or territory: IL
Published population served: 29500
System type (source code): CWS

Published records and dates

PFAS / lithium (EPA UCMR 5): 60 — 2024-02-22 – 2024-08-01
Lead and copper monitoring summaries: 22 — 1992-04-01 – 2028-12-31

Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.

Published testing results

Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.

“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example

EPA UCMR 5 — most recent imported sample per substance
Substance	Published result	Reporting limit	Sample date	Sampling location
11Cl-PF3OUdS	< 0.005 µg/L	0.005 µg/L	2024-08-01	Water Treatment Plant / TP01
4:2 FTS	< 0.003 µg/L	0.003 µg/L	2024-08-01	Water Treatment Plant / TP01
6:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-08-01	Water Treatment Plant / TP01
8:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-08-01	Water Treatment Plant / TP01
9Cl-PF3ONS	< 0.002 µg/L	0.002 µg/L	2024-08-01	Water Treatment Plant / TP01
ADONA	< 0.003 µg/L	0.003 µg/L	2024-08-01	Water Treatment Plant / TP01
HFPO-DA	< 0.005 µg/L	0.005 µg/L	2024-08-01	Water Treatment Plant / TP01
NEtFOSAA	< 0.005 µg/L	0.005 µg/L	2024-08-01	Water Treatment Plant / TP01
NFDHA	< 0.02 µg/L	0.02 µg/L	2024-08-01	Water Treatment Plant / TP01
NMeFOSAA	< 0.006 µg/L	0.006 µg/L	2024-08-01	Water Treatment Plant / TP01
PFBA	0.013 µg/L	0.005 µg/L	2024-08-01	Water Treatment Plant / TP01
PFBS	0.016 µg/L	0.003 µg/L	2024-08-01	Water Treatment Plant / TP01
PFDA	< 0.003 µg/L	0.003 µg/L	2024-08-01	Water Treatment Plant / TP01
PFDoA	< 0.003 µg/L	0.003 µg/L	2024-08-01	Water Treatment Plant / TP01
PFEESA	< 0.003 µg/L	0.003 µg/L	2024-08-01	Water Treatment Plant / TP01
PFHpA	0.013 µg/L	0.003 µg/L	2024-08-01	Water Treatment Plant / TP01
PFHpS	< 0.003 µg/L	0.003 µg/L	2024-08-01	Water Treatment Plant / TP01
PFHxA	0.022 µg/L	0.003 µg/L	2024-08-01	Water Treatment Plant / TP01
PFHxS	0.012 µg/L	0.003 µg/L	2024-08-01	Water Treatment Plant / TP01
PFMBA	< 0.003 µg/L	0.003 µg/L	2024-08-01	Water Treatment Plant / TP01
PFMPA	< 0.004 µg/L	0.004 µg/L	2024-08-01	Water Treatment Plant / TP01
PFNA	< 0.004 µg/L	0.004 µg/L	2024-08-01	Water Treatment Plant / TP01
PFOA	0.018 µg/L	0.004 µg/L	2024-08-01	Water Treatment Plant / TP01
PFOS	0.0089 µg/L	0.004 µg/L	2024-08-01	Water Treatment Plant / TP01
PFPeA	0.021 µg/L	0.003 µg/L	2024-08-01	Water Treatment Plant / TP01
PFPeS	< 0.004 µg/L	0.004 µg/L	2024-08-01	Water Treatment Plant / TP01
PFTA	< 0.008 µg/L	0.008 µg/L	2024-08-01	Water Treatment Plant / TP01
PFTrDA	< 0.007 µg/L	0.007 µg/L	2024-08-01	Water Treatment Plant / TP01
PFUnA	< 0.002 µg/L	0.002 µg/L	2024-08-01	Water Treatment Plant / TP01
lithium	< 9 µg/L	9 µg/L	2024-08-01	Water Treatment Plant / TP01

Download all EPA UCMR 5 records (CSV)

Lead and copper: 90th-percentile summaries

These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile

Eight most recent imported monitoring summaries
Substance	Published 90th percentile	Monitoring period	Source quarter
Lead (PB90)	0 mg/L	2026-01-01 – 2028-12-31	2026Q3
Lead (PB90)	0 mg/L	2025-07-01 – 2025-12-31	2026Q3
Lead (PB90)	0.001 mg/L	2025-01-01 – 2025-12-31	2026Q3
Lead (PB90)	0.0045 mg/L	2025-01-01 – 2025-12-31	2026Q3
Lead (PB90)	0 mg/L	2025-01-01 – 2025-06-30	2026Q3
Lead (PB90)	0 mg/L	2021-01-01 – 2023-12-31	2026Q3
Lead (PB90)	0 mg/L	2020-07-01 – 2020-12-31	2026Q3
Lead (PB90)	0 mg/L	2020-01-01 – 2020-06-30	2026Q3

Published compliance history

12 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.

Twenty most recent imported compliance records
Rule / record	Period	Recorded status	Health-based (EPA classification)	Source quarter
Total Coliform Rule / Maximum Contaminant Level Violation, Monthly (TCR)	1995-12-01 – 1995-12-31	Archived	Yes	2026Q3
Total Coliform Rule / Maximum Contaminant Level Violation, Monthly (TCR)	1995-09-01 – 1995-09-30	Archived	Yes	2026Q3
Total Coliform Rule / Maximum Contaminant Level Violation, Monthly (TCR)	1994-08-01 – 1994-08-31	Archived	Yes	2026Q3
Total Coliform Rule / Monitoring, Repeat Minor (TCR)	1994-08-01 – 1994-08-31	Archived	No	2026Q3
Total Coliform Rule / Maximum Contaminant Level Violation, Monthly (TCR)	1994-01-01 – 1994-01-31	Archived	Yes	2026Q3
Total Coliform Rule / Monitoring, Repeat Minor (TCR)	1994-01-01 – 1994-01-31	Archived	No	2026Q3
Total Coliform Rule / Maximum Contaminant Level Violation, Monthly (TCR)	1993-10-01 – 1993-10-31	Archived	Yes	2026Q3
Total Coliform Rule / Monitoring, Repeat Minor (TCR)	1993-10-01 – 1993-10-31	Archived	No	2026Q3
Total Coliform Rule / Maximum Contaminant Level Violation, Monthly (TCR)	1993-09-01 – 1993-09-30	Archived	Yes	2026Q3
Total Coliform Rule / Maximum Contaminant Level Violation, Acute (TCR)	1993-03-01 – 1993-03-31	Archived	Yes	2026Q3
Total Coliform Rule / Maximum Contaminant Level Violation, Monthly (TCR)	1993-03-01 – 1993-03-31	Archived	Yes	2026Q3
Radionuclides and Revised Rad Rule / Monitoring, Regular	1977-06-30 – 1981-06-29	Archived	No	2026Q3

Source dates and refresh checks

A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.

EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17

Administrative contact (EPA filing)

Jones, William: 618-346-5211

An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.

Official state resources · How to read these records