TWELVE OAKS WATER SYSTEM
Missouri — Community Water System — PWSID: MS0360069
System Information
| PWSID | MS0360069 |
| System Name | TWELVE OAKS WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 04 |
| Serves School | No |
| Wholesaler | No |
| First Reported | May 16, 2014 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Missouri |
| City | DES PERES |
| ZIP Code | 63131 |
| Address | 1630 DES PERES RD. STE. 140 |
| Organization | COX, JOSIAH |
| Phone | 314-736-4743 |
Population & Service
| Population Served | 314 |
| Service Connections | 119 |
Drinking Water Violations (33)
This water system has 33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 1, 2023 | Dec 31, 2023 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Dec 1, 2023 | Dec 31, 2023 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Dec 1, 2023 | Dec 31, 2023 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Dec 1, 2023 | Dec 31, 2023 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2023 | — | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2023 | — | |
| Mar 1, 2022 | Mar 31, 2022 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2022 | — | |
| Mar 1, 2022 | Mar 31, 2022 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2022 | — | |
| Mar 1, 2022 | Mar 31, 2022 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2022 | — | |
| Mar 1, 2022 | Mar 31, 2022 | MON | No | Yes | — | — | — | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2022 | — | |
| Jul 1, 2019 | — | Other | No | No | — | — | — | Resolved | Jul 10, 2019 | — | |
| Jul 1, 2019 | — | Other | No | No | — | — | — | Resolved | Jul 10, 2019 | — | |
| Jul 1, 2019 | — | Other | No | No | — | — | — | Resolved | Jul 10, 2019 | — | |
| Sep 1, 2016 | — | TT | Yes | No | — | — | — | Resolved | Aug 15, 2018 | — | |
| Sep 1, 2016 | — | TT | Yes | No | — | — | — | Resolved | Aug 15, 2018 | — | |
| Sep 1, 2016 | — | TT | Yes | No | — | — | — | Resolved | Aug 15, 2018 | — | |
| Sep 1, 2016 | — | TT | Yes | No | — | — | — | Resolved | Aug 15, 2018 | — | |
| Jul 1, 2015 | — | Other | No | No | — | — | — | Resolved | Aug 21, 2015 | — | |
| Jul 1, 2015 | — | Other | No | No | — | — | — | Resolved | Aug 21, 2015 | — |
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.