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Rock Island Arsenal, US Army

Published drinking-water records and contacts for Rock Island Arsenal, US Army. System IL1615387. Review sources and dates; not a real-time water assessment.

System ID
IL1615387
State or territory
IL
Published population served
7800
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.

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
SubstancePublished resultReporting limitSample dateSampling location
11Cl-PF3OUdS< 0.005 µg/L0.005 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
4:2 FTS< 0.003 µg/L0.003 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
6:2 FTS< 0.005 µg/L0.005 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
8:2 FTS< 0.005 µg/L0.005 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
ADONA< 0.003 µg/L0.003 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
HFPO-DA< 0.005 µg/L0.005 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
NEtFOSAA< 0.005 µg/L0.005 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
NFDHA< 0.02 µg/L0.02 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
NMeFOSAA< 0.006 µg/L0.006 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFBA0.015 µg/L0.005 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFBS< 0.003 µg/L0.003 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFDA< 0.003 µg/L0.003 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFDoA< 0.003 µg/L0.003 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFEESA< 0.003 µg/L0.003 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFHpA< 0.003 µg/L0.003 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFHpS< 0.003 µg/L0.003 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFHxA< 0.003 µg/L0.003 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFHxS< 0.003 µg/L0.003 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFMBA< 0.003 µg/L0.003 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFMPA< 0.004 µg/L0.004 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFNA< 0.004 µg/L0.004 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFOA0.0046 µg/L0.004 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFOS< 0.004 µg/L0.004 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFPeA< 0.003 µg/L0.003 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFPeS< 0.004 µg/L0.004 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFTA< 0.008 µg/L0.008 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFTrDA< 0.007 µg/L0.007 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
PFUnA< 0.002 µg/L0.002 µg/L2023-11-07Rock Island Arsenal, US Army / TP01
lithium< 9 µg/L9 µg/L2023-11-07Rock Island Arsenal, US Army / 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
SubstancePublished 90th percentileMonitoring periodSource quarter
Lead (PB90) 0 mg/L2024-01-01 – 2026-12-312026Q3
Lead (PB90) 0 mg/L2021-01-01 – 2023-12-312026Q3
Lead (PB90) 0.0021 mg/L2018-01-01 – 2020-12-312026Q3
Lead (PB90) 0.006 mg/L2015-01-01 – 2017-12-312026Q3
Lead (PB90) 0.0017 mg/L2012-01-01 – 2014-12-312026Q3
Lead (PB90) 0.0118 mg/L2011-01-01 – 2013-12-312026Q3
Lead (PB90) 0.0118 mg/L2009-01-01 – 2011-12-312026Q3
Lead (PB90) 0 mg/L2008-01-01 – 2010-12-312026Q3

Published compliance history

5 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
Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP)2025-04-01 – 2025-06-30ResolvedNo2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP)2025-04-01 – 2025-06-30ResolvedNo2026Q3
Nitrate Rule / Monitoring, Regular2025-04-01 – 2025-06-30ResolvedNo2026Q3
Lead and Copper Rule / Lead Consumer Notice2020-12-30 – —ResolvedNo2026Q3
Total Coliform Rule / Monitoring, Routine Minor (TCR)1997-08-01 – 1997-08-31ArchivedNo2026Q3

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)

St. Louis, Laura: 309-782-5366

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