ST CHARLES, MO · St. Charles County
ST CHARLES PWS Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
- MO6010707
- System type
- Community Water System
- Population served
- 73,040
- Service connections
- 27,404
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Lead Consumer Notice
—Lead and Copper Rule
October 1, 2024 – April 2, 2025
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2012 – May 5, 2014
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2006 – September 26, 2006
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2024 – April 2, 2025 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| July 1, 2012 – May 5, 2014 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2006 – September 26, 2006 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
No enforcement actions on record for this system.
Contact
ZACKAVEC, MAURA
636-949-3239
ST CHARLES, MO 63301-0000