HILLSBORO, MO · Jefferson County

HILLSBORO 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): MO6010368
System type: Community Water System
Population served: 3,000
Service connections: 1,310
Ownership: local government
Water source: groundwater (wells)

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
September 28, 2025 – September 30, 2025
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 1, 2024 – March 15, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2022 – December 31, 2022
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2019 – November 26, 2019
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 2013 – December 31, 2013
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2012 – May 31, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 2011 – April 30, 2011
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 2007 – December 31, 2007
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 2005 – December 31, 2005
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2004 – May 26, 2004
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
May 1, 2004 – May 26, 2004
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2002 – May 31, 2002
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1996 – August 31, 1996
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
September 28, 2025 – September 30, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
February 1, 2024 – March 15, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
December 1, 2022 – December 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2019 – November 26, 2019	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
December 1, 2013 – December 31, 2013	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
May 1, 2012 – May 31, 2012	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 2011 – April 30, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 2007 – December 31, 2007	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
December 1, 2005 – December 31, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
May 1, 2004 – May 26, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
May 1, 2004 – May 26, 2004	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
May 1, 2002 – May 31, 2002	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 1996 – August 31, 1996	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Contact

RUSSELL, BUDDY

636-797-3334

HILLSBORO, MO 63050-0000