ESSEX PWS
Missouri — Community Water System — PWSID: MO4010255
System Information
| PWSID | MO4010255 |
| System Name | ESSEX PWS |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 7, 1980 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | ESSEX |
| ZIP Code | 63846-0000 |
| Address | — |
| Organization | MALLOY, ANGELA |
| Phone | 573-283-5990 |
Population & Service
| Population Served | 399 |
| Service Connections | 260 |
Drinking Water Violations (101)
This water system has 101 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | Jul 31, 2025 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2025 | — | |
| Jul 1, 2025 | Jul 31, 2025 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2025 | — | |
| Jul 1, 2025 | Jul 31, 2025 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2025 | — | |
| Jul 1, 2025 | Jul 31, 2025 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2025 | — | |
| Mar 1, 2025 | Mar 31, 2025 | MON | No | No | — | — | — | Resolved | Mar 31, 2025 | — | |
| Mar 1, 2025 | Mar 31, 2025 | MON | No | No | — | — | — | Resolved | Mar 31, 2025 | — | |
| Mar 1, 2025 | Mar 31, 2025 | MON | No | No | — | — | — | Resolved | Mar 31, 2025 | — | |
| Mar 1, 2025 | Mar 31, 2025 | MON | No | No | — | — | — | Resolved | Mar 31, 2025 | — | |
| Jan 1, 2025 | Jan 31, 2025 | MR | No | Yes | — | — | — | Resolved | Jan 31, 2025 | — | |
| Jan 1, 2025 | Jan 31, 2025 | MR | No | Yes | — | — | — | Resolved | Jan 31, 2025 | — | |
| Jan 1, 2025 | Jan 31, 2025 | MR | No | Yes | — | — | — | Resolved | Jan 31, 2025 | — | |
| Jan 1, 2025 | Jan 31, 2025 | MR | No | Yes | — | — | — | Resolved | Jan 31, 2025 | — | |
| Sep 1, 2024 | Sep 30, 2024 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2024 | — | |
| Sep 1, 2024 | Sep 30, 2024 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2024 | — | |
| Sep 1, 2024 | Sep 30, 2024 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2024 | — | |
| Sep 1, 2024 | Sep 30, 2024 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2024 | — | |
| May 1, 2024 | May 31, 2024 | MR | No | Yes | — | — | — | Resolved | May 31, 2024 | — | |
| May 1, 2024 | May 31, 2024 | MR | No | Yes | — | — | — | Resolved | May 31, 2024 | — | |
| May 1, 2024 | May 31, 2024 | MR | No | Yes | — | — | — | Resolved | May 31, 2024 | — | |
| May 1, 2024 | May 31, 2024 | MR | No | Yes | — | — | — | Resolved | May 31, 2024 | — | |
| Dec 28, 2023 | — | Other | No | No | — | — | — | Resolved | Mar 11, 2024 | — | |
| Nov 3, 2023 | — | TT | Yes | No | — | — | — | Resolved | Nov 14, 2023 | — | |
| Nov 3, 2023 | — | TT | Yes | No | — | — | — | Resolved | Nov 14, 2023 | — | |
| Nov 3, 2023 | — | TT | Yes | No | — | — | — | Resolved | Nov 14, 2023 | — | |
| Nov 3, 2023 | — | TT | Yes | No | — | — | — | Resolved | Nov 14, 2023 | — | |
| Jul 1, 2022 | Jul 31, 2022 | MCL | Yes | No | — | — | — | Resolved | Jul 31, 2022 | — | |
| Jul 1, 2022 | Jul 31, 2022 | MCL | Yes | No | — | — | — | Resolved | Jul 31, 2022 | — | |
| Jul 1, 2022 | Jul 31, 2022 | MCL | Yes | No | — | — | — | Resolved | Jul 31, 2022 | — | |
| Jul 1, 2022 | Jul 31, 2022 | MCL | Yes | No | — | — | — | Resolved | Jul 31, 2022 | — | |
| Jul 1, 2022 | Jul 31, 2022 | MCL | Yes | No | — | — | — | Resolved | Jul 31, 2022 | — | |
| Jul 1, 2022 | Jul 31, 2022 | MCL | Yes | No | — | — | — | Resolved | Jul 31, 2022 | — | |
| Jun 1, 2021 | Jun 30, 2021 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2021 | — | |
| Jun 1, 2021 | Jun 30, 2021 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2021 | — | |
| Jun 1, 2021 | Jun 30, 2021 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2021 | — | |
| Jun 1, 2021 | Jun 30, 2021 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2021 | — | |
| Dec 1, 2017 | Dec 31, 2017 | TT | Yes | No | — | — | — | Resolved | Dec 31, 2017 | — | |
| Dec 1, 2017 | Dec 31, 2017 | TT | Yes | No | — | — | — | Resolved | Dec 31, 2017 | — | |
| Dec 1, 2017 | Dec 31, 2017 | TT | Yes | No | — | — | — | Resolved | Dec 31, 2017 | — | |
| Dec 1, 2017 | Dec 31, 2017 | TT | Yes | No | — | — | — | Resolved | Dec 31, 2017 | — | |
| Nov 1, 2016 | Nov 30, 2016 | TT | Yes | No | — | — | — | Resolved | Nov 30, 2016 | — | |
| Nov 1, 2016 | Nov 30, 2016 | TT | Yes | No | — | — | — | Resolved | Nov 30, 2016 | — | |
| Nov 1, 2016 | Nov 30, 2016 | TT | Yes | No | — | — | — | Resolved | Nov 30, 2016 | — | |
| Nov 1, 2016 | Nov 30, 2016 | TT | Yes | No | — | — | — | Resolved | Nov 30, 2016 | — | |
| Jan 1, 2014 | Jan 31, 2014 | TT | Yes | No | — | — | — | Resolved | Jan 31, 2014 | — | |
| Jan 1, 2014 | Jan 31, 2014 | TT | Yes | No | — | — | — | Resolved | Jan 31, 2014 | — | |
| Jan 1, 2014 | Jan 31, 2014 | TT | Yes | No | — | — | — | Resolved | Jan 31, 2014 | — | |
| Jan 1, 2014 | Jan 31, 2014 | TT | Yes | No | — | — | — | Resolved | Jan 31, 2014 | — | |
| Jan 1, 2014 | Jan 31, 2014 | TT | Yes | No | — | — | — | Resolved | Jan 31, 2014 | — | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2013 | — | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2013 | — |
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.