Drinking Water Compliance OS

MORRIS, IL · LaSalle County

SENECA MOBILE HOMES LLC Water System

Current status

No open violations on record as of July 4, 2026.

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)
IL0995425
System type
Community Water System
Population served
10
Service connections
29
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Public Notification Violation for NPDWR Violation

    Public Notice

    October 17, 2025 – October 17, 2025

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    October 17, 2025 – October 17, 2025

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2025 – December 31, 2025

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2025 – September 30, 2025

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2025 – June 30, 2025

    Archived
  • Public Notification Violation for NPDWR Violation

    Public Notice

    March 10, 2025 – April 14, 2025

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2025 – March 31, 2025

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2024 – December 31, 2024

    Archived
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    July 1, 2024 – September 30, 2024

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2019 – July 3, 2019

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2012 – September 30, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2012 – June 30, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2012 – March 31, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2011 – December 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2011 – September 30, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2011 – June 30, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2011 – March 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2010 – December 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2010 – September 30, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2010 – June 30, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2010 – March 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2009 – December 31, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2009 – September 30, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2009 – June 30, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2009 – March 31, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    January 1, 2009 – March 31, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2008 – December 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    October 1, 2008 – December 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    July 1, 2008 – September 30, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2008 – September 30, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2008 – June 30, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Gross Alpha, Excl. Radon and U

    April 1, 2008 – June 30, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2008 – March 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2007 – December 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2007 – September 30, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2007 – June 30, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2007 – March 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2006 – December 31, 2006

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2006 – September 30, 2006

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2006 – June 30, 2006

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2006 – March 31, 2006

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2005 – December 31, 2005

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2005 – September 30, 2005

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2005 – June 30, 2005

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2005 – March 31, 2005

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2004 – December 31, 2004

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    July 1, 2004 – September 30, 2004

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 2004 – June 30, 2004

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    January 1, 2004 – March 31, 2004

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 2003 – December 31, 2003

    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

    Combined Radium (-226 and -228)

    October 1, 2002 – December 31, 2002

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 1998 – September 30, 2002

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    Aldicarb

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    Aldicarb sulfone

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    Dinoseb

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    Picloram

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    Simazine

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    OXAMYL

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    Endothall

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    Diquat

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    Dalapon

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    Endrin

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    Heptachlor

    July 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Regular

    LASSO

    July 1, 1996 – September 30, 1996

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    October 1, 1995 – December 1, 1995

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 1994 – September 30, 1998

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    September 1, 1994 – September 30, 1994

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 1994 – August 31, 1994

    Archived
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    October 1, 1993 – June 30, 1995

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    September 1, 1993 – September 30, 1993

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 1993 – September 30, 1993

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 1993 – August 31, 1993

    Archived
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    August 1, 1993 – August 31, 1993

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 1992 – November 30, 1992

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    November 1, 1990 – September 30, 1994

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    October 1, 1990 – September 30, 1994

    Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

CASTRO, CRYSTAL

815-341-6761

MORRIS, IL 60450