HILLSBORO, MO · Jefferson County
JEFFERSON COUNTY PWSD 7 Water System
Consumer Confidence Report status
JEFFERSON COUNTY PWSD 7 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 JEFFERSON COUNTY PWSD 7.
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)
- MO6024299
- System type
- Community Water System
- Population served
- 6,100
- Service connections
- 2,596
- Ownership
- local government
- Water source
- groundwater (wells)
JEFFERSON COUNTY PWSD 7 is one of 140 community water systems in Missouri in the 3,301 to 10,000 people size category, serving 6,100 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries between 1995 and 2025, all of which EPA lists as closed.
Of the 2, 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 Consumer Confidence Rule and the Total Coliform Rules.
Violation history
Consumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2025 – November 25, 2025
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
December 1, 1995 – December 31, 1995
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 |
|---|---|---|---|---|
| July 1, 2025 – November 25, 2025 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| December 1, 1995 – December 31, 1995 | 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.
Common questions
Is JEFFERSON COUNTY PWSD 7 required to publish a Consumer Confidence Report?
- Yes. JEFFERSON COUNTY PWSD 7 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 JEFFERSON COUNTY PWSD 7’s next Consumer Confidence Report due?
- JEFFERSON COUNTY PWSD 7’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does JEFFERSON COUNTY PWSD 7 have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for JEFFERSON COUNTY PWSD 7.
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
MILLS, CODY
636-479-5593
HILLSBORO, MO 63050-0000