CS WINCHESTER WATER COMPANY
Missouri - Community Water System - PWSID: AZ0402110
System Information
| PWSID | AZ0402110 |
| System Name | CS WINCHESTER WATER COMPANY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jul 9, 1993 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Missouri |
| City | DES PERES |
| ZIP Code | 63131 |
| Address | - |
| Organization | KRIESS, FRED |
| Phone | 602-698-9786 |
Population & Service
| Population Served | 402 |
| Service Connections | 157 |
Drinking Water Violations (129)
This water system has 129 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 14, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Aug 10, 2023 | - | MR | No | Yes | - | - | - | Resolved | Sep 14, 2023 | - | |
| Aug 10, 2023 | - | MR | No | Yes | - | - | - | Resolved | Sep 14, 2023 | - | |
| Aug 10, 2023 | - | MR | No | Yes | - | - | - | Resolved | Sep 14, 2023 | - | |
| Aug 10, 2023 | - | MR | No | Yes | - | - | - | Resolved | Sep 14, 2023 | - | |
| Apr 1, 2023 | - | RPT | No | No | - | - | - | Resolved | May 19, 2023 | - | |
| Apr 1, 2023 | - | RPT | No | No | - | - | - | Resolved | May 19, 2023 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Mar 20, 2023 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Mar 20, 2023 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Mar 20, 2023 | - | |
| Oct 3, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jan 19, 2023 | - | |
| Oct 3, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jan 19, 2023 | - | |
| Oct 3, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jan 19, 2023 | - | |
| Oct 3, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jan 19, 2023 | - | |
| Oct 2, 2022 | - | Other | No | No | - | - | - | Resolved | Aug 16, 2023 | - | |
| Oct 2, 2022 | - | Other | No | No | - | - | - | Resolved | Aug 16, 2023 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Aug 16, 2023 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Aug 16, 2023 | - | |
| Oct 2, 2021 | - | Other | No | No | - | - | - | Resolved | Jul 24, 2021 | - | |
| Oct 2, 2021 | - | Other | No | No | - | - | - | Resolved | Jul 24, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Nov 14, 2019 | - | MR | No | No | - | TT | - | Resolved | Nov 15, 2019 | - | |
| Nov 14, 2019 | - | MR | No | No | - | TT | - | Resolved | Nov 15, 2019 | - | |
| Oct 2, 2019 | - | Other | No | No | - | - | - | Resolved | Apr 12, 2020 | - | |
| Oct 2, 2019 | - | Other | No | No | - | - | - | Resolved | Apr 12, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Oct 13, 2019 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Oct 13, 2019 | - | |
| Sep 1, 2017 | - | RPT | No | No | - | - | - | Resolved | Oct 23, 2017 | - | |
| Oct 1, 2016 | - | Other | No | No | - | - | - | Resolved | Sep 15, 2017 | - | |
| Oct 1, 2016 | - | Other | No | No | - | - | - | Resolved | Sep 15, 2017 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Mar 8, 2017 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Mar 8, 2017 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Dec 1, 2008 | Dec 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2008 | - | |
| Apr 1, 2005 | Apr 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2005 | - | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 2002 | - | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 2002 | - | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2002 | - | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2002 | - | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | - | 0.6 mg/L | - | Resolved | Dec 31, 2002 | - | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2002 | - | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2002 | - | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2002 | - | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2002 | - | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2002 | - | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2002 | - | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2002 | - |
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.