IL0894830 · Illinois
ST CHARLES
Federal fiscal 2026Q3 · EPA violation and follow-up records
- Violation records shown
- 3
- EPA health-based flag
- 0
- Health-based records unresolved in this snapshot
- 0
- Monitoring and reporting records
- 2
Counties listed by EPA · Kane 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 1 resolved record with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 91 days. The interval uses the reporting periods and dates on file.
Monitoring or reporting · Unaddressed by formal action
Follow-up Or Routine LCR Tap M/RViolation 7135031 · Lead and Copper Rule · Lead and Copper RuleNoncompliance period start January 1, 2026 · first reported May 27, 2026
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 4774022 January 27, 2026 Informal State Violation/Reminder Notice 4774023 January 27, 2026 Informal State Public Notification requested Other or unclassified · Unaddressed by formal action
Consumer Confidence Report Inadequate ReportingViolation 7135024 · Consumer Confidence Rule · Consumer Confidence RuleNoncompliance period start July 1, 2025 · first reported November 21, 2025
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 4774021 October 21, 2025 Informal State Violation/Reminder Notice Monitoring or reporting · Resolved
Monitoring, RegularViolation 7135012 · Combined Radium (-226 and -228) · Radionuclides and Revised Rad RuleNoncompliance period start October 1, 2020 · period end December 31, 2020 · first reported March 11, 2021 · EPA return-to-compliance field December 31, 2020
2 linked actions
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 4774012 January 14, 2021 Informal State Violation/Reminder Notice 4774014 January 21, 2021 Resolving State Compliance achieved
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