Drinking Water Compliance OS

CEDAR HILL, MO · Jefferson County

LAKE ADELLE SUBD 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 Missouri’s official records. Always confirm current status with Missouri before making decisions based on this information.

System facts

System ID (PWSID)
MO6036077
System type
Community Water System
Population served
380
Service connections
161
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2025

    Unaddressed
  • LSL Reporting

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024 – August 22, 2025

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2012 – May 31, 2012

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    August 1, 2006 – August 31, 2006

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    May 1, 2006 – May 31, 2006

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    April 1, 2006 – April 22, 2006

    Resolved
  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    April 1, 2006 – April 22, 2006

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    May 1, 2004 – May 31, 2004

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    April 1, 2004 – April 30, 2004

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    September 1, 2003 – September 30, 2003

    Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Contact

DIEDRICH, JERRY

636-274-2674

CEDAR HILL, MO 63016-0000