Drinking Water Compliance OS

DES PERES, MO · Greene County

THE WILLOWS UTILITY COMPANY 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 Missouri’s official records. Always confirm current status with Missouri before making decisions based on this information.

System facts

System ID (PWSID)
MO5048099
System type
Community Water System
Population served
315
Service connections
142
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2016 – September 21, 2017

    Resolved
  • Failure to Consult with State

    Groundwater Rule

    May 8, 2015 – July 20, 2015

    Resolved
  • Failure to Consult with State

    Groundwater Rule

    July 21, 2014 – October 6, 2014

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    April 1, 2013 – April 30, 2013

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2009 – July 26, 2012

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

    Lead and Copper Rule

    October 1, 2006 – August 21, 2008

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2006 – June 25, 2007

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2006 – May 31, 2006

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2006 – April 30, 2006

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2005 – October 31, 2005

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2005 – June 25, 2007

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2004 – June 25, 2007

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2003 – June 25, 2007

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

    Lead and Copper Rule

    October 1, 1997 – February 6, 2004

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    July 1, 1996 – February 6, 2004

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    February 1, 1993 – January 31, 1997

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Contact

SASSEN, ISABEL

314-464-3964

DES PERES, MO 63131-0000