ST CHARLES PWS
Missouri — Community Water System — PWSID: MO6010707
System Information
| PWSID | MO6010707 |
| System Name | ST CHARLES PWS |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 7, 1980 |
| Last Reported | Dec 31, 2025 |
Location & Contact
| State | Missouri |
| City | ST CHARLES |
| ZIP Code | 63301-0000 |
| Address | 2871 ELM POINT INDUSTRIAL DR |
| Organization | ZACKAVEC, MAURA |
| Phone | 636-949-3239 |
Population & Service
| Population Served | 73,040 |
| Service Connections | 27,404 |
Drinking Water Violations (4)
This water system has 4 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 2, 2025 | Lead and Copper Rule |
| Jul 1, 2012 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | May 5, 2014 | Consumer Confidence Rule |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 26, 2006 | Consumer Confidence Rule |
| Jul 1, 2003 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 26, 2006 | Consumer Confidence Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.