Drinking Water Compliance OS

LEMONT, IL · Cook County

FRANCISCAN SISTERS OF CHICAGO 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)
IL0310110
System type
Community Water System
Population served
505
Service connections
68
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2025

    Unaddressed
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2012 – September 30, 2012

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2012 – September 30, 2012

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2012 – February 27, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 2012 – January 31, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2006 – September 30, 2006

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2003 – September 30, 2003

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2003 – June 30, 2003

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2003 – March 31, 2003

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    February 25, 2002 – September 30, 2002

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2001 – September 30, 2002

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    September 26, 2000 – February 26, 2001

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    July 1, 1998 – May 18, 1999

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 1997 – June 30, 2001

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    November 1, 1995 – November 30, 1995

    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

Contact

GRELE, JOHN

630-243-3600

LEMONT, IL 60439-0956