Is HILLSBORO PWS required to publish a Consumer Confidence Report?

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

HILLSBORO 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.

HILLSBORO, MO · Jefferson County

HILLSBORO PWS Water System

Consumer Confidence Report status

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

HILLSBORO PWS is one of 489 community water systems in Missouri in the 501 to 3,300 people size category, serving 3,000 people from groundwater.

As of August 1, 2026, its federal record holds 10 entries between 1996 and 2025, all of which EPA lists as closed.

Of the 10, 2 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 Public Notice Rule and Revised PN Rule, and the Consumer Confidence Rule.

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
Maximum Contaminant Level Violation, Monthly (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
May 1, 2004 – May 26, 2004	Maximum Contaminant Level Violation, Monthly (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.

Common questions

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

RUSSELL, BUDDY

636-797-3334

HILLSBORO, MO 63050-0000