ST. CHARLES, IL · Kane County

HIGHLAND SUBDIVISION Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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): IL0895530
System type: Community Water System
Population served: 50
Service connections: 20
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Notification, Known or Potential LSL
—
LEAD AND COPPER RULE REVISIONS
July 2, 2025
Unaddressed
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – August 6, 2024
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2012 – June 30, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 2012 – April 30, 2012
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
July 1, 2009 – December 24, 2009
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
February 1, 1993 – February 28, 1993
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 30, 1977 – June 29, 1981
Archived

Unaddressed no corrective action on record yetResolved 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
July 2, 2025	Notification, Known or Potential LSL	LEAD AND COPPER RULE REVISIONS	—	Unaddressed
July 1, 2024 – August 6, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2012 – June 30, 2012	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 2012 – April 30, 2012	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2009 – December 24, 2009	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved
February 1, 1993 – February 28, 1993	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
June 30, 1977 – June 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

July 3, 2025State Public Notification requested1 linked violation
July 3, 2025State Violation/Reminder Notice1 linked violation
August 6, 2024State Compliance achieved3 linked violations
July 31, 2024State Violation/Reminder Notice1 linked violation
August 3, 2012State Formal Notice of Violation issued3 linked violations
July 30, 2012State Compliance achieved2 linked violations
July 20, 2012State Public Notification received2 linked violations
July 13, 2012State Public Notification requested1 linked violation
May 15, 2012State Violation/Reminder Notice1 linked violation
May 15, 2012State Public Notification requested1 linked violation
April 11, 2012State Public Notification received1 linked violation
December 15, 2009State Violation/Reminder Notice4 linked violations
April 1, 1993State Violation/Reminder Notice1 linked violation
April 1, 1993State Public Notification requested1 linked violation
March 27, 1993State Public Notification received1 linked violation
October 7, 1990State Public Notification requested1 linked violation
September 8, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
September 8, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
January 6, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
January 6, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record

Contact

JANSKY, VANESSA

331-454-2809

ST. CHARLES, IL 60174