MERCER PWS
Missouri — Community Water System — PWSID: MO2010515
System Information
| PWSID | MO2010515 |
| System Name | MERCER PWS |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| 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 | MERCER |
| ZIP Code | 64661-0000 |
| Address | 14402 STATE ST |
| Organization | MEINECKE, TRACY |
| Phone | 660-382-4210 |
Population & Service
| Population Served | 318 |
| Service Connections | 186 |
Drinking Water Violations (120)
This water system has 120 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 | Dec 31, 2025 | MCL | Yes | No | 84 UG/L | 0.080 mg/L | 80 | Archived | Dec 31, 2025 | — | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | 81.05 UG/L | 0.080 mg/L | 80 | Archived | Sep 30, 2025 | — | |
| Jul 1, 2025 | Sep 30, 2025 | MCL | Yes | No | 81.05 UG/L | 0.080 mg/L | 80 | Archived | Sep 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | 85 UG/L | 0.080 mg/L | 80 | Archived | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | 85 UG/L | 0.080 mg/L | 80 | Archived | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | 85 UG/L | 0.080 mg/L | 80 | Archived | Jun 30, 2025 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | 88 UG/L | 0.080 mg/L | 80 | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | 88 UG/L | 0.080 mg/L | 80 | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | 88 UG/L | 0.080 mg/L | 80 | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | 88 UG/L | 0.080 mg/L | 80 | Resolved | Dec 31, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | 97 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | 97 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | 97 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | 97 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | 89.1 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | 89.1 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | 89.1 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | 89.1 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2024 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Apr 8, 2021 | — | Other | No | No | — | — | — | Resolved | Apr 28, 2021 | — | |
| Feb 1, 2021 | — | Other | No | No | — | — | — | Resolved | Feb 10, 2021 | — | |
| Oct 1, 2020 | Oct 31, 2020 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2020 | — | |
| Oct 1, 2020 | Oct 31, 2020 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2020 | — | |
| Oct 1, 2020 | Oct 31, 2020 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2020 | — | |
| Oct 1, 2020 | Oct 31, 2020 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 85 UG/L | 0.080 mg/L | 80 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 85 UG/L | 0.080 mg/L | 80 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 85 UG/L | 0.080 mg/L | 80 | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 85 UG/L | 0.080 mg/L | 80 | Resolved | Dec 31, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | 85 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | 85 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | 85 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | 85 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | 83 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | 83 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | 83 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | 83 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2020 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | 83 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2019 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | 83 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2019 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | 83 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2019 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | 83 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2019 | — | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 82 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2016 | — | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 82 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2016 | — |
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.