Columbia

Published drinking-water records and contacts for Columbia. System IL1330050. Review sources and dates; not a real-time water assessment.

System ID: IL1330050
State or territory: IL
Published population served: 11129
System type (source code): CWS

Published records and dates

PFAS / lithium (EPA UCMR 5): 120 — 2024-10-22 – 2025-06-09
Lead and copper monitoring summaries: 17 — 1992-04-01 – 2025-12-31

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

Read the provider’s annual water quality report

Report link listed: 2026-10-08. This is not the report’s sampling date.

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	2025-06-09	IL American East St. Louis Interconnection / CC05
4:2 FTS	< 0.003 µg/L	0.003 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
6:2 FTS	< 0.005 µg/L	0.005 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
8:2 FTS	< 0.005 µg/L	0.005 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
9Cl-PF3ONS	< 0.002 µg/L	0.002 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
ADONA	< 0.003 µg/L	0.003 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
HFPO-DA	< 0.005 µg/L	0.005 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
NEtFOSAA	< 0.005 µg/L	0.005 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
NFDHA	< 0.02 µg/L	0.02 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
NMeFOSAA	< 0.006 µg/L	0.006 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFBA	0.0068 µg/L	0.005 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFBS	< 0.003 µg/L	0.003 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFDA	< 0.003 µg/L	0.003 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFDoA	< 0.003 µg/L	0.003 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFEESA	< 0.003 µg/L	0.003 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFHpA	< 0.003 µg/L	0.003 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFHpS	< 0.003 µg/L	0.003 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFHxA	< 0.003 µg/L	0.003 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFHxS	< 0.003 µg/L	0.003 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFMBA	< 0.003 µg/L	0.003 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFMPA	< 0.004 µg/L	0.004 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFNA	< 0.004 µg/L	0.004 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFOA	< 0.004 µg/L	0.004 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFOS	< 0.004 µg/L	0.004 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFPeA	< 0.003 µg/L	0.003 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFPeS	< 0.004 µg/L	0.004 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFTA	< 0.008 µg/L	0.008 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFTrDA	< 0.007 µg/L	0.007 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
PFUnA	< 0.002 µg/L	0.002 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05
lithium	< 9 µg/L	9 µg/L	2025-06-09	IL American East St. Louis Interconnection / CC05

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	Monitoring period	Source quarter
Lead (PB90)	2025-01-01 – 2025-12-31	2026Q3
Lead (PB90)	2025-01-01 – 2025-12-31	2026Q3
Lead (PB90)	2021-01-01 – 2023-12-31	2026Q3
Lead (PB90)	2018-01-01 – 2020-12-31	2026Q3
Lead (PB90)	2015-01-01 – 2017-12-31	2026Q3
Lead (PB90)	2012-01-01 – 2014-12-31	2026Q3
Lead (PB90)	2011-01-01 – 2013-12-31	2026Q3
Lead (PB90)	2009-01-01 – 2011-12-31	2026Q3

Published compliance history

4 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
Consumer Confidence Rule / Consumer Confidence Report Complete Failure to Report	2025-07-01 – —	Resolved	No	2026Q3
Consumer Confidence Rule / Consumer Confidence Report Inadequate Reporting	2025-07-01 – —	Unaddressed	No	2026Q3
Consumer Confidence Rule / Consumer Confidence Report Inadequate Reporting	2019-07-01 – —	Resolved	No	2026Q3
Consumer Confidence Rule / Consumer Confidence Report Complete Failure to Report	2018-07-01 – —	Resolved	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)

Smith, Chris A.: 618-281-7144

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