HORNERSVILLE PWS
Missouri — Community Water System — PWSID: MO4010379
System Information
| PWSID | MO4010379 |
| System Name | HORNERSVILLE 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 | Dec 31, 2025 |
Location & Contact
| State | Missouri |
| City | HORNERSVILLE |
| ZIP Code | 63855-0000 |
| Address | 300 MAIN ST CITY HALL |
| Organization | LEE, TERRY |
| Phone | 573-737-2616 |
Population & Service
| Population Served | 526 |
| Service Connections | 261 |
Drinking Water Violations (380)
This water system has 380 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2024 | Nov 30, 2024 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Nov 30, 2024 | Revised Total Coliform Rule |
| Nov 1, 2024 | Nov 30, 2024 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Nov 30, 2024 | Revised Total Coliform Rule |
| Nov 1, 2024 | Nov 30, 2024 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Nov 30, 2024 | Revised Total Coliform Rule |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Resolved | Nov 22, 2024 | Lead and Copper Rule Revisions |
| Jun 28, 2023 | — | Public Notice | Other | No | No | — | — | — | Resolved | Sep 1, 2023 | Public Notice Rule and Revised PN Rule |
| May 1, 2022 | May 31, 2022 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2022 | Revised Total Coliform Rule |
| May 1, 2022 | May 31, 2022 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2022 | Revised Total Coliform Rule |
| May 1, 2022 | May 31, 2022 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2022 | Revised Total Coliform Rule |
| May 1, 2022 | May 31, 2022 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2022 | Revised Total Coliform Rule |
| Jan 1, 2021 | Mar 31, 2021 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2021 | Arsenic Rule |
| Jan 1, 2021 | Mar 31, 2021 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2021 | Arsenic Rule |
| Jan 1, 2021 | Mar 31, 2021 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2021 | Arsenic Rule |
| Jan 1, 2021 | Mar 31, 2021 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2021 | Arsenic Rule |
| Jan 1, 2021 | Mar 31, 2021 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2021 | Arsenic Rule |
| Jan 1, 2021 | Mar 31, 2021 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2021 | Arsenic Rule |
| Jan 1, 2021 | Mar 31, 2021 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
| Jan 1, 2021 | Mar 31, 2021 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Mar 31, 2021 | Inorganic Chemicals |
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.