ST CHARLES CO PWSD 2 - SUMAC RIDGE
Missouri - Community Water System - PWSID: MO6031209
System Information
| PWSID | MO6031209 |
| System Name | ST CHARLES CO PWSD 2 - SUMAC RIDGE |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Aug 6, 1997 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | O'FALLON |
| ZIP Code | 63368-0000 |
| Address | 100 WATER DR |
| Organization | WRIGHT, JIM |
| Phone | 636-385-5197 |
Population & Service
| Population Served | 103 |
| Service Connections | 37 |
Drinking Water Violations (9)
This water system has 9 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 | - | MR | No | No | - | TT | - | Resolved | Apr 14, 2025 | - | |
| Sep 1, 2015 | - | MR | No | Yes | - | - | - | Resolved | Apr 29, 2021 | - | |
| Sep 1, 2015 | - | MR | No | Yes | - | - | - | Resolved | Apr 29, 2021 | - | |
| Sep 1, 2015 | - | MR | No | Yes | - | - | - | Resolved | Apr 29, 2021 | - | |
| Sep 1, 2015 | - | MR | No | Yes | - | - | - | Resolved | Apr 29, 2021 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Jul 2, 2002 | - | |
| Feb 1, 2000 | Feb 29, 2000 | MR | No | No | - | 5% of samples | - | Archived | Feb 29, 2000 | - | |
| Feb 1, 2000 | Feb 29, 2000 | MR | No | No | - | 5% of samples | - | Archived | Feb 29, 2000 | - | |
| Feb 1, 2000 | Feb 29, 2000 | MR | No | No | - | 5% of samples | - | Archived | Feb 29, 2000 | - |
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.