CALEDONIA, MO · Washington County

CALEDONIA PWS 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): MO4010003
System type: Community Water System
Population served: 130
Service connections: 68
Ownership: local government
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2024 – September 19, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2021 – August 31, 2021
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – October 5, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2013 – October 5, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2009 – November 30, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2009 – May 31, 2009
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2004 – June 28, 2006
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2001 – June 28, 2006
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 1997 – December 31, 1997
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1995 – June 30, 1995
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
September 1, 1993 – September 30, 1993
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 1, 1993 – May 31, 1997
Resolved
Monitoring, Regular
—
Benzene
January 1, 1993 – December 31, 1993
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 1993 – December 31, 1993
Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2024 – September 19, 2024	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
August 1, 2021 – August 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2014 – October 5, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2013 – October 5, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
November 1, 2009 – November 30, 2009	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
May 1, 2009 – May 31, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2004 – June 28, 2006	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2001 – June 28, 2006	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 1997 – December 31, 1997	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
July 1, 1995 – June 30, 1995	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
September 1, 1993 – September 30, 1993	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Archived
June 1, 1993 – May 31, 1997	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Benzene	—	Resolved
January 1, 1993 – December 31, 1993	Monitoring, Regular	Carbon tetrachloride	—	Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

January 17, 2006State Compliance achieved618 linked violations

Contact

ROBINSON III, JOHN

573-779-3492

CALEDONIA, MO 63631-0000