Is SOUTHWEST CITY PWS required to publish a Consumer Confidence Report?

Yes. SOUTHWEST CITY PWS is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is SOUTHWEST CITY PWS’s next Consumer Confidence Report due?

SOUTHWEST CITY PWS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

SOUTHWEST CITY, MO · McDonald County

SOUTHWEST CITY PWS Water System

Consumer Confidence Report status

SOUTHWEST CITY PWS must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show 1 open health-based violation for SOUTHWEST CITY PWS, alongside 2 other open items.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)

SOUTHWEST CITY PWS is one of 489 community water systems in Missouri in the 501 to 3,300 people size category, serving 976 people from groundwater.

As of August 1, 2026, its federal record holds 16 entries between 2003 and 2026, of which 1 health-based item remains open, alongside 2 other open entries.

Of the 16, 8 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules, the Consumer Confidence Rule, and the Public Notice Rule and Revised PN Rule.

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
March 15, 2026
Unaddressed
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
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

Period	Violation	Contaminant / rule	Health-based	Status
March 15, 2026	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
December 15, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
September 9, 2025	Failure To Address Deficiency	Groundwater Rule	Health-based	Unaddressed
July 1, 2025 – November 25, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
October 17, 2024 – October 21, 2025	LSL Reporting	LEAD AND COPPER RULE REVISIONS	—	Resolved
July 1, 2021 – December 6, 2021	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
December 1, 2020 – December 31, 2020	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
February 1, 2010 – February 28, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2009 – July 26, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2009 – June 30, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 2008 – May 31, 2008	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
September 1, 2007 – September 30, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2006 – June 18, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
August 1, 2005 – August 31, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2004 – August 18, 2011	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
September 1, 2003 – September 30, 2003	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved

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

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is SOUTHWEST CITY PWS required to publish a Consumer Confidence Report?: Yes. SOUTHWEST CITY PWS is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is SOUTHWEST CITY PWS’s next Consumer Confidence Report due?: SOUTHWEST CITY PWS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SOUTHWEST CITY PWS have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 1 open health-based violation for SOUTHWEST CITY PWS, alongside 2 other open items.
What is a Consumer Confidence Report?: A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

BLAKE, DAVID

417-762-3767

SOUTHWEST CITY, MO 64836-0000