An independent public resourceEnglish Español

Illinois State University-Normal

Published drinking-water records and contacts for Illinois State University-Normal. System IL1135510. Review sources and dates; not a real-time water assessment.

System ID
IL1135510
State or territory
IL
Published population served
6600
System type (source code)
CWS

Published records and dates

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
SubstancePublished resultReporting limitSample dateSampling location
11Cl-PF3OUdS< 0.005 µg/L0.005 µg/L2025-11-05Normal interconnection / CC09
4:2 FTS< 0.003 µg/L0.003 µg/L2025-11-05Normal interconnection / CC09
6:2 FTS< 0.005 µg/L0.005 µg/L2025-11-05Normal interconnection / CC09
8:2 FTS< 0.005 µg/L0.005 µg/L2025-11-05Normal interconnection / CC09
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-11-05Normal interconnection / CC09
ADONA< 0.003 µg/L0.003 µg/L2025-11-05Normal interconnection / CC09
HFPO-DA< 0.005 µg/L0.005 µg/L2025-11-05Normal interconnection / CC09
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-11-05Normal interconnection / CC09
NFDHA< 0.02 µg/L0.02 µg/L2025-11-05Normal interconnection / CC09
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-11-05Normal interconnection / CC09
PFBA< 0.005 µg/L0.005 µg/L2025-11-05Normal interconnection / CC09
PFBS< 0.003 µg/L0.003 µg/L2025-11-05Normal interconnection / CC09
PFDA< 0.003 µg/L0.003 µg/L2025-11-05Normal interconnection / CC09
PFDoA< 0.003 µg/L0.003 µg/L2025-11-05Normal interconnection / CC09
PFEESA< 0.003 µg/L0.003 µg/L2025-11-05Normal interconnection / CC09
PFHpA< 0.003 µg/L0.003 µg/L2025-11-05Normal interconnection / CC09
PFHpS< 0.003 µg/L0.003 µg/L2025-11-05Normal interconnection / CC09
PFHxA< 0.003 µg/L0.003 µg/L2025-11-05Normal interconnection / CC09
PFHxS< 0.003 µg/L0.003 µg/L2025-11-05Normal interconnection / CC09
PFMBA< 0.003 µg/L0.003 µg/L2025-11-05Normal interconnection / CC09
PFMPA< 0.004 µg/L0.004 µg/L2025-11-05Normal interconnection / CC09
PFNA< 0.004 µg/L0.004 µg/L2025-11-05Normal interconnection / CC09
PFOA< 0.004 µg/L0.004 µg/L2025-11-05Normal interconnection / CC09
PFOS< 0.004 µg/L0.004 µg/L2025-11-05Normal interconnection / CC09
PFPeA< 0.003 µg/L0.003 µg/L2025-11-05Normal interconnection / CC09
PFPeS< 0.004 µg/L0.004 µg/L2025-11-05Normal interconnection / CC09
PFTA< 0.008 µg/L0.008 µg/L2025-11-05Normal interconnection / CC09
PFTrDA< 0.007 µg/L0.007 µg/L2025-11-05Normal interconnection / CC09
PFUnA< 0.002 µg/L0.002 µg/L2025-11-05Normal interconnection / CC09
lithium< 9 µg/L9 µg/L2025-11-05Normal interconnection / CC09

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
SubstancePublished 90th percentileMonitoring periodSource quarter
Lead (PB90) 0 mg/L2025-01-01 – 2025-12-312026Q3
Lead (PB90) 0 mg/L2025-01-01 – 2025-12-312026Q3
Lead (PB90) 0 mg/L2023-01-01 – 2025-12-312026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0.00508 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0.0139 mg/L2011-01-01 – 2013-12-312026Q3
Lead (PB90) 0.00578 mg/L2009-01-01 – 2011-12-312026Q3

Published compliance history

19 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 / recordPeriodRecorded statusHealth-based (EPA classification)Source quarter
Revised Total Coliform Rule / Monitoring, Routine (RTCR)2023-11-01 – 2023-11-30ResolvedNo2026Q3
Stage 1 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP)2023-10-01 – 2023-12-31ResolvedNo2026Q3
Consumer Confidence Rule / Consumer Confidence Report Inadequate Reporting2023-07-01 – —ResolvedNo2026Q3
Lead and Copper Rule / Lead Consumer Notice2022-12-30 – —ResolvedNo2026Q3
Consumer Confidence Rule / Consumer Confidence Report Inadequate Reporting2017-07-01 – —ResolvedNo2026Q3
Total Coliform Rule / Monitoring, Routine Minor (TCR)1997-07-01 – 1997-07-31ArchivedNo2026Q3
Total Coliform Rule / Monitoring, Routine Minor (TCR)1996-07-01 – 1996-07-31ArchivedNo2026Q3
Total Coliform Rule / Monitoring, Routine Minor (TCR)1995-04-01 – 1995-04-30ArchivedNo2026Q3
Total Coliform Rule / Monitoring, Routine Minor (TCR)1995-02-01 – 1995-02-28ArchivedNo2026Q3
Total Coliform Rule / Monitoring, Routine Minor (TCR)1994-12-01 – 1994-12-31ArchivedNo2026Q3
Total Coliform Rule / Monitoring, Routine Minor (TCR)1994-06-01 – 1994-06-30ArchivedNo2026Q3
Total Coliform Rule / Monitoring, Routine Minor (TCR)1994-04-01 – 1994-04-30ArchivedNo2026Q3
Total Coliform Rule / Monitoring, Routine Minor (TCR)1994-01-01 – 1994-01-31ArchivedNo2026Q3
Total Coliform Rule / Monitoring, Routine Minor (TCR)1993-11-01 – 1993-11-30ArchivedNo2026Q3
Total Coliform Rule / Monitoring, Routine Major (TCR)1993-10-01 – 1993-10-31ArchivedNo2026Q3
Total Coliform Rule / Monitoring, Routine Minor (TCR)1992-10-01 – 1992-10-31ArchivedNo2026Q3
Total Coliform Rule / Monitoring, Routine Minor (TCR)1991-02-01 – 1991-02-28ArchivedNo2026Q3
Total Coliform Rule / Monitoring, Routine Minor (TCR)1991-01-01 – 1991-01-31ArchivedNo2026Q3
Radionuclides and Revised Rad Rule / Monitoring, Regular1977-06-30 – 1981-06-29ArchivedNo2026Q3

Source dates and refresh checks

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

Administrative contact (EPA filing)

Kane, Daniel: 309-438-2083

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