Is CANTON PWS required to publish a Consumer Confidence Report?

Yes. CANTON 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 CANTON PWS’s next Consumer Confidence Report due?

CANTON 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.

CANTON, MO · Lewis County

CANTON PWS Water System

Consumer Confidence Report status

CANTON 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 no open violations for CANTON PWS.

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): MO2010134
System type: Community Water System
Population served: 3,200
Service connections: 914
Ownership: local government
Water source: groundwater (wells)

CANTON PWS is one of 489 community water systems in Missouri in the 501 to 3,300 people size category, serving 3,200 people from groundwater.

As of August 1, 2026, its federal record holds 6 entries between 1999 and 2015, all of which EPA lists as closed. Nothing has been added since 2015.

Of the 6, 1 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 Stage 1 Disinfectants and Disinfection Byproducts Rule, the Stage 2 Disinfectants and Disinfection Byproducts Rule, and the Radionuclides and Revised Rad Rule.

Violation history

Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2015 – September 30, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2012 – December 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2012 – September 30, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2012 – June 30, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2012 – March 31, 2012
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
December 1, 1999 – November 30, 2003
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2012 – December 31, 2012	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2012 – September 30, 2012	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2012 – June 30, 2012	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2012 – March 31, 2012	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
December 1, 1999 – November 30, 2003	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

March 31, 2016State Compliance achieved1 linked violation
December 28, 2015State Public Notification received1 linked violation
November 17, 2015State Formal Notice of Violation issued1 linked violation
November 17, 2015State Public Notification requested1 linked violation
July 31, 2015State Compliance achieved4 linked violations
May 16, 2013State Administrative/Compliance Order with penalty issued8 linked violations
March 4, 2013State Public Notification received1 linked violation
February 13, 2013State Formal Notice of Violation issued1 linked violation
February 13, 2013State Public Notification requested1 linked violation
January 28, 2013State Compliance achieved4 linked violations
October 5, 2012State Public Notification received1 linked violation
October 5, 2012State Public Notification received1 linked violation
September 18, 2012State Formal Notice of Violation issued1 linked violation
September 18, 2012State Public Notification requested1 linked violation
August 20, 2012State Public Notification requested1 linked violation
August 20, 2012State Formal Notice of Violation issued1 linked violation
June 1, 2012State Public Notification received1 linked violation
September 6, 2002State Violation/Reminder Notice2 linked violations

Common questions

Is CANTON PWS required to publish a Consumer Confidence Report?: Yes. CANTON 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 CANTON PWS’s next Consumer Confidence Report due?: CANTON PWS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CANTON PWS have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for CANTON PWS.
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

FRETWELL, TERRY

573-288-4413

CANTON, MO 63435-0000