MERCER COUNTY PWSD 1
Missouri — Community Water System — PWSID: MO2024382
System Information
| PWSID | MO2024382 |
| System Name | MERCER COUNTY PWSD 1 |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 2, 1982 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Missouri |
| City | MERCER |
| ZIP Code | 64661-0000 |
| Address | 22920 HIGHWAY M |
| Organization | SIEMER, TIFFANY |
| Phone | 660-382-4776 |
Population & Service
| Population Served | 3,200 |
| Service Connections | 1,525 |
Drinking Water Violations (44)
This water system has 44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 27, 2025 | — | Other | No | No | — | — | — | Resolved | Mar 1, 2025 | — | |
| Mar 5, 2025 | — | Other | No | No | — | — | — | Resolved | Mar 1, 2025 | — | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2024 | — | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2024 | — | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2024 | — | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2024 | — | |
| Feb 1, 2024 | Feb 29, 2024 | MON | No | No | — | — | — | Resolved | Feb 29, 2024 | — | |
| Feb 1, 2024 | Feb 29, 2024 | MON | No | No | — | — | — | Resolved | Feb 29, 2024 | — | |
| Feb 1, 2024 | Feb 29, 2024 | MON | No | No | — | — | — | Resolved | Feb 29, 2024 | — | |
| Feb 1, 2024 | Feb 29, 2024 | MON | No | No | — | — | — | Resolved | Feb 29, 2024 | — | |
| Jan 1, 2024 | Jan 31, 2024 | MON | No | No | — | — | — | Resolved | Jan 31, 2024 | — | |
| Jan 1, 2024 | Jan 31, 2024 | MON | No | No | — | — | — | Resolved | Jan 31, 2024 | — | |
| Jan 1, 2024 | Jan 31, 2024 | MON | No | No | — | — | — | Resolved | Jan 31, 2024 | — | |
| Jan 1, 2024 | Jan 31, 2024 | MON | No | No | — | — | — | Resolved | Jan 31, 2024 | — | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | No | — | — | — | Resolved | Nov 30, 2023 | — | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | No | — | — | — | Resolved | Nov 30, 2023 | — | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | No | — | — | — | Resolved | Nov 30, 2023 | — | |
| Nov 1, 2023 | Nov 30, 2023 | MON | No | No | — | — | — | Resolved | Nov 30, 2023 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | 83 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2015 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | 83 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2015 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | 83 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2015 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | 83 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2015 | — | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2015 | — | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2015 | — | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2015 | — | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2015 | — | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2015 | — | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2015 | — | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2015 | — | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2015 | — | |
| Jul 1, 2014 | — | Other | No | No | — | — | — | Resolved | Aug 4, 2015 | — | |
| Dec 1, 2010 | Dec 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2010 | — | |
| Dec 1, 2010 | Dec 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2010 | — | |
| Dec 1, 2010 | Dec 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2010 | — | |
| Dec 1, 2010 | Dec 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2010 | — | |
| May 1, 2003 | May 31, 2003 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2003 | — | |
| May 1, 2003 | May 31, 2003 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2003 | — | |
| May 1, 2003 | May 31, 2003 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2003 | — | |
| Jan 1, 1995 | Jan 31, 1995 | MR | No | No | — | 5% of samples | — | Archived | Jan 31, 1995 | — | |
| Jan 1, 1995 | Jan 31, 1995 | MR | No | No | — | 5% of samples | — | Archived | Jan 31, 1995 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
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.