ROCK ISLAND, IL · Rock Island County
ROCK ISLAND ARSENAL, US ARMY Water System
Consumer Confidence Report status
ROCK ISLAND ARSENAL, US ARMY must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for ROCK ISLAND ARSENAL, US ARMY.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Illinois’s official records. Always confirm current status with Illinois before making decisions based on this information.
System facts
- System ID (PWSID)
- IL1615387
- System type
- Community Water System
- Population served
- 7,800
- Service connections
- 198
- Ownership
- federal government
- Water source
- surface water (rivers, lakes, or reservoirs)
ROCK ISLAND ARSENAL, US ARMY is one of 248 community water systems in Illinois in the 3,301 to 10,000 people size category, serving 7,800 people from surface water.
As of August 1, 2026, its federal record holds 11 entries between 1997 and 2025, all of which EPA lists as closed.
Of the 11, 7 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Stage 2 Disinfectants and Disinfection Byproducts Rule, the Total Coliform Rules, and the Consumer Confidence Rule.
Violation history
Monitoring, Regular
—Nitrate
April 1, 2025 – April 12, 2025
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2025 – June 30, 2025
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2025 – June 30, 2025
ResolvedLead Consumer Notice
—Lead and Copper Rule
December 30, 2020 – February 1, 2021
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTotal Haloacetic Acids (HAA5)
January 1, 2015 – March 31, 2015
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTotal Haloacetic Acids (HAA5)
October 1, 2014 – December 31, 2014
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
November 1, 2007 – November 30, 2007
ResolvedMonitoring and Reporting (DBP)
—Chloramine
October 1, 2007 – December 31, 2007
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2007 – July 12, 2007
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2003 – July 30, 2003
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
August 1, 1997 – August 31, 1997
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 1, 2025 – April 12, 2025 | Monitoring, Regular | Nitrate | — | Resolved |
| April 1, 2025 – June 30, 2025 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| April 1, 2025 – June 30, 2025 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| December 30, 2020 – February 1, 2021 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| January 1, 2015 – March 31, 2015 | Maximum Contaminant Level Violation, Average | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| October 1, 2014 – December 31, 2014 | Maximum Contaminant Level Violation, Average | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| November 1, 2007 – November 30, 2007 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2007 – December 31, 2007 | Monitoring and Reporting (DBP) | Chloramine | — | Resolved |
| July 1, 2007 – July 12, 2007 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2003 – July 30, 2003 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| August 1, 1997 – August 31, 1997 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- August 26, 2025State Compliance achieved2 linked violations
- July 16, 2025State Public Notification requested1 linked violation
- July 16, 2025State Violation/Reminder Notice1 linked violation
- July 11, 2025State Violation/Reminder Notice2 linked violations
- July 11, 2025State Public Notification requested2 linked violations
- April 12, 2025State Compliance achieved1 linked violation
- February 1, 2021State Compliance achieved1 linked violation
- January 6, 2021State Violation/Reminder Notice1 linked violation
- May 12, 2015State Compliance achieved2 linked violations
- March 31, 2015State Public Notification received1 linked violation
- March 10, 2015State Bilateral Compliance Agreement signed2 linked violations
- March 3, 2015State Violation/Reminder Notice1 linked violation
- March 3, 2015State Public Notification requested1 linked violation
- December 29, 2014State Public Notification received1 linked violation
- December 4, 2014State Formal Notice of Violation issued2 linked violations
- November 24, 2014State Public Notification requested1 linked violation
- November 24, 2014State Violation/Reminder Notice1 linked violation
- June 1, 2008State Compliance achieved1 linked violation
- January 9, 2008State Compliance achieved1 linked violation
- December 19, 2007State Violation/Reminder Notice1 linked violation
- December 17, 2007State Violation/Reminder Notice1 linked violation
- July 16, 2007State Violation/Reminder Notice1 linked violation
- July 12, 2007State Compliance achieved1 linked violation
- July 30, 2003State Compliance achieved1 linked violation
- July 10, 2003State Violation/Reminder Notice1 linked violation
- November 8, 1997State Public Notification requested1 linked violation
- November 8, 1997State Violation/Reminder Notice1 linked violation
- November 1, 1997State Public Notification received1 linked violation
Common questions
Is ROCK ISLAND ARSENAL, US ARMY required to publish a Consumer Confidence Report?
- Yes. ROCK ISLAND ARSENAL, US ARMY is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is ROCK ISLAND ARSENAL, US ARMY’s next Consumer Confidence Report due?
- ROCK ISLAND ARSENAL, US ARMY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ROCK ISLAND ARSENAL, US ARMY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for ROCK ISLAND ARSENAL, US ARMY.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
ST. LOUIS, LAURA
309-782-5366
ROCK ISLAND, IL 61299