IL1310100 · Illinois
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Federal fiscal 2026Q3 · EPA violation and follow-up records
- Violation records shown
- 7
- EPA health-based flag
- 0
- Health-based records unresolved in this snapshot
- 0
- Monitoring and reporting records
- 4
Counties listed by EPA · Mercer County, Illinois
Find the utility’s annual water quality report. For current advisories, check the utility or local drinking-water authority.
Violations and what followed
Among 5 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 243 days. The interval uses the reporting periods and dates on file.
Monitoring or reporting · Resolved
Notification, Known or Potential LSLViolation 7061019 · LEAD AND COPPER RULE REVISIONS · Lead and Copper Rule RevisionsNoncompliance period start July 2, 2025 · period end January 6, 2026 · first reported November 21, 2025 · EPA return-to-compliance field January 6, 2026
3 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 116031 July 3, 2025 Informal State Violation/Reminder Notice 116032 July 3, 2025 Informal State Public Notification requested 116036 January 6, 2026 Resolving State Compliance achieved Monitoring or reporting · Unaddressed by formal action
Lead Consumer NoticeViolation 7061020 · Lead and Copper Rule · Lead and Copper RuleNoncompliance period start April 1, 2025 · first reported August 18, 2025
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 116033 July 16, 2025 Informal State Violation/Reminder Notice Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 7061017 · Public Notice · Public Notice Rule and Revised PN RuleNoncompliance period start July 13, 2024 · period end June 1, 2024 · first reported November 21, 2024 · EPA return-to-compliance field June 1, 2024
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 116027 June 1, 2024 Resolving State Compliance achieved 116026 August 22, 2024 Informal State Violation/Reminder Notice Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 7061016 · Public Notice · Public Notice Rule and Revised PN RuleNoncompliance period start February 4, 2024 · period end February 19, 2024 · first reported May 21, 2024 · EPA return-to-compliance field February 19, 2024
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 116024 February 19, 2024 Resolving State Compliance achieved 116023 March 15, 2024 Informal State Violation/Reminder Notice Other or unclassified · Resolved
Consumer Confidence Report Inadequate ReportingViolation 7061015 · Consumer Confidence Rule · Consumer Confidence RuleNoncompliance period start July 1, 2023 · period end September 27, 2024 · first reported February 14, 2024 · EPA return-to-compliance field September 27, 2024
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 116020 December 12, 2023 Informal State Violation/Reminder Notice 116030 September 27, 2024 Resolving State Compliance achieved Monitoring or reporting · Resolved
Follow-up Or Routine LCR Tap M/RViolation 7061014 · Lead and Copper Rule · Lead and Copper RuleNoncompliance period start July 1, 2023 · period end February 29, 2024 · first reported November 28, 2023 · EPA return-to-compliance field February 29, 2024
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 116018 July 13, 2023 Informal State Violation/Reminder Notice 116019 July 13, 2023 Informal State Public Notification requested 116022 February 29, 2024 Resolving State Compliance achieved 116028 October 2, 2024 Informal State Public Notification received Monitoring or reporting · Resolved
Monitoring, RegularViolation 7061013 · Nitrite · Nitrate RuleNoncompliance period start January 1, 2020 · period end December 31, 2022 · first reported February 28, 2023 · EPA return-to-compliance field December 31, 2022
4 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 116016 February 3, 2023 Informal State Violation/Reminder Notice 116017 February 3, 2023 Informal State Public Notification requested 116021 June 12, 2023 Resolving State Compliance achieved 116025 March 28, 2024 Informal State Public Notification received
EPA data and scope
How to read the records
The enforcement snapshot is federal fiscal 2026Q3. The EPA archive labels its violation file October 13, 2026. EPA says federal reporting can lag by several months. For current advisories, check your utility or local drinking-water authority.
- We matched active community water systems by public water system ID between EPA’s system search and SDWIS inventory. We show violations with a recorded noncompliance, initial reporting or return-to-compliance date from 2021 onward, plus earlier records listed as Addressed or Unaddressed.
- EPA’s health-based flag identifies violations of contaminant or disinfectant limits or treatment requirements. Monitoring and reporting violations describe required tests or reports. Neither category measures household exposure.
- Addressed means EPA records formal enforcement on a violation that remains unresolved in the snapshot. Unaddressed means no formal action is recorded for an unresolved violation. Resolved can mean compliance was restored, the rule ceased to apply, or further action was unnecessary. Archived is a separate status.
- We count a violation once per water system and group its distinct linked actions. Conflicting records are set aside. Places are EPA-listed search locations and can include mailing locations. Use the provider name and system ID to identify your service.
EPA data dictionary and files · EPA reporting and enforcement FAQ · Find an annual water quality report · How to get the report from your utility