Drinking Water Compliance OS

SOUTHWEST CITY, MO · McDonald County

SOUTHWEST CITY PWS Water System

Current status

1 open health-based violation on record as of July 4, 2026, alongside 1 other open item(s). See the violation history below for contaminant and status details.

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)
MO5010751
System type
Community Water System
Population served
976
Service connections
337
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Public Notification Violation for NPDWR Violation

    Public Notice

    December 15, 2025

    Unaddressed
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    September 9, 2025

    Unaddressed
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2025 – November 25, 2025

    Resolved
  • LSL Reporting

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024 – October 21, 2025

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2021 – December 6, 2021

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Groundwater Rule

    December 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2010 – February 28, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 2010 – January 31, 2010

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2009 – July 26, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    May 1, 2008 – May 31, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2007 – September 30, 2007

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2006 – June 18, 2007

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2005 – August 31, 2005

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

    Lead and Copper Rule

    October 1, 2004 – August 18, 2011

    Resolved
  • Monitoring, Routine Minor (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

BLAKE, DAVID

417-762-3767

SOUTHWEST CITY, MO 64836-0000