HAMILTON, MO · Caldwell County

HAMILTON 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): MO1010342
System type: Community Water System
Population served: 1,813
Service connections: 801
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2024 – March 31, 2024
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2022 – November 30, 2022
Resolved
Monitoring and Reporting (DBP)
—
Chlorite
May 1, 2019 – May 31, 2019
Resolved
Treatment Technique Precursor Removal
Health-based
CARBON, TOTAL
October 1, 2018 – December 31, 2018
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
September 30, 2012 – September 13, 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
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2011 – December 31, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2011 – September 30, 2011
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
June 1, 2011 – June 30, 2011
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
May 1, 2011 – May 31, 2011
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2010 – September 21, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2010 – December 31, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2010 – September 30, 2010
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
January 1, 2010 – January 31, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2010 – March 31, 2010
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
January 1, 2010 – January 31, 2010
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
December 1, 2009 – December 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2009 – December 31, 2009
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
July 1, 2009 – July 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2009 – March 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2008 – December 31, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2008 – December 31, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2008 – September 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Atrazine
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 1992 – October 31, 1992
Archived

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
January 1, 2024 – March 31, 2024	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2022 – November 30, 2022	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
May 1, 2019 – May 31, 2019	Monitoring and Reporting (DBP)	Chlorite	—	Resolved
October 1, 2018 – December 31, 2018	Treatment Technique Precursor Removal	CARBON, TOTAL	Health-based	Resolved
September 30, 2012 – September 13, 2012	Public Notification Violation for NPDWR Violation	Public Notice	—	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
October 1, 2011 – December 31, 2011	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
June 1, 2011 – June 30, 2011	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
May 1, 2011 – May 31, 2011	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
October 1, 2010 – September 21, 2011	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2010 – September 30, 2010	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2010 – January 31, 2010	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
January 1, 2010 – March 31, 2010	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2010 – January 31, 2010	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
December 1, 2009 – December 31, 2009	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
October 1, 2009 – December 31, 2009	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2009 – July 31, 2009	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
January 1, 2009 – March 31, 2009	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2008 – December 31, 2008	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2008 – December 31, 2008	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2008 – September 30, 2008	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 1994 – December 31, 1994	Maximum Contaminant Level Violation, Average	Atrazine	Health-based	Resolved
October 1, 1992 – October 31, 1992	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived

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

Enforcement actions

No enforcement actions on record for this system.

Contact

BRUCE, KRISTOPHER

816-583-4911

HAMILTON, MO 64644-0000