LIBERTY, MO · Clay County
CLAY COUNTY PWSD 4 Water System
Consumer Confidence Report status
CLAY COUNTY PWSD 4 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 1 item for CLAY COUNTY PWSD 4 that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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)
- MO1024144
- System type
- Community Water System
- Population served
- 1,032
- Service connections
- 416
- Ownership
- local government
- Water source
- groundwater (wells)
CLAY COUNTY PWSD 4 is one of 489 community water systems in Missouri in the 501 to 3,300 people size category, serving 1,032 people from groundwater.
As of August 1, 2026, its federal record holds 3 entries between 2008 and 2025, of which 1 remains open; none are health-based.
Of the 3, 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 Total Coliform Rules and the Consumer Confidence Rule.
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2025
UnaddressedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2009 – August 31, 2009
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
December 1, 2008 – December 31, 2008
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2025 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Unaddressed |
| August 1, 2009 – August 31, 2009 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| December 1, 2008 – December 31, 2008 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is CLAY COUNTY PWSD 4 required to publish a Consumer Confidence Report?
- Yes. CLAY COUNTY PWSD 4 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 CLAY COUNTY PWSD 4’s next Consumer Confidence Report due?
- CLAY COUNTY PWSD 4’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CLAY COUNTY PWSD 4 have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for CLAY COUNTY PWSD 4 that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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
KORONDI, DEANNA
816-781-8198
LIBERTY, MO 64068-0000