O'FALLON, MO · Warren County
ST CHARLES COUNTY PWSD 2 WARREN Water System
Consumer Confidence Report status
ST CHARLES COUNTY PWSD 2 WARREN 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 ST CHARLES COUNTY PWSD 2 WARREN.
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)
- MO6024629
- System type
- Community Water System
- Population served
- 1,192
- Service connections
- 283
- Ownership
- local government
- Water source
- groundwater (wells)
ST CHARLES COUNTY PWSD 2 WARREN is one of 489 community water systems in Missouri in the 501 to 3,300 people size category, serving 1,192 people from groundwater.
As of August 1, 2026, its federal record holds 2 entries in 1991, all of which EPA lists as closed. Nothing has been added since 1991.
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 Total Coliform Rules.
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 1991 – August 31, 1991
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 1991 – January 31, 1991
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| August 1, 1991 – August 31, 1991 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| January 1, 1991 – January 31, 1991 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
Archived 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 ST CHARLES COUNTY PWSD 2 WARREN required to publish a Consumer Confidence Report?
- Yes. ST CHARLES COUNTY PWSD 2 WARREN 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 ST CHARLES COUNTY PWSD 2 WARREN’s next Consumer Confidence Report due?
- ST CHARLES COUNTY PWSD 2 WARREN’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ST CHARLES COUNTY PWSD 2 WARREN have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for ST CHARLES COUNTY PWSD 2 WARREN.
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
WRIGHT, JIM
636-385-5197
O'FALLON, MO 63368-0000