DE SOTO, MO · Jefferson County
JEFFERSON COUNTY PWSD 5 Water System
Consumer Confidence Report status
JEFFERSON COUNTY PWSD 5 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 JEFFERSON COUNTY PWSD 5 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)
- MO6024296
- System type
- Community Water System
- Population served
- 8,000
- Service connections
- 2,679
- Ownership
- local government
- Water source
- groundwater (wells)
JEFFERSON COUNTY PWSD 5 is one of 140 community water systems in Missouri in the 3,301 to 10,000 people size category, serving 8,000 people from groundwater.
As of August 1, 2026, its federal record holds 3 entries between 1993 and 2025, of which 1 remains open; none are health-based.
All 3 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 Lead and Copper Rule.
Violation history
Notification, Known or Potential LSL
—LEAD AND COPPER RULE REVISIONS
July 2, 2025
UnaddressedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
February 1, 2023 – February 28, 2023
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
September 1, 1993 – September 30, 1993
Archived
Unaddressed no corrective action on record yetResolved 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 2, 2025 | Notification, Known or Potential LSL | LEAD AND COPPER RULE REVISIONS | — | Unaddressed |
| February 1, 2023 – February 28, 2023 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| September 1, 1993 – September 30, 1993 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
Unaddressed no corrective action on record yetResolved 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 5 required to publish a Consumer Confidence Report?
- Yes. JEFFERSON COUNTY PWSD 5 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 5’s next Consumer Confidence Report due?
- JEFFERSON COUNTY PWSD 5’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does JEFFERSON COUNTY PWSD 5 have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for JEFFERSON COUNTY PWSD 5 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
PETERS, LISA A
636-586-5445
DE SOTO, MO 63020-0000