MERCER SANITARY DISTRICT
Wisconsin — Community Water System — PWSID: WI8260120
System Information
| PWSID | WI8260120 |
| System Name | MERCER SANITARY DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 28, 1981 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Wisconsin |
| City | Mercer |
| ZIP Code | 54547-0660 |
| Address | 5054 N HWY 51 |
| Organization | MERCER SANITARY DISTRICT |
| Phone | — |
Population & Service
| Population Served | 760 |
| Service Connections | 384 |
Drinking Water Violations (40)
This water system has 40 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 2023 | Feb 28, 2023 | MON | No | Yes | — | — | — | Resolved | Feb 28, 2023 | — | |
| Feb 1, 2023 | Feb 28, 2023 | MON | No | Yes | — | — | — | Resolved | Feb 28, 2023 | — | |
| Feb 1, 2023 | Feb 28, 2023 | MON | No | Yes | — | — | — | Resolved | Feb 28, 2023 | — | |
| Feb 1, 2023 | Feb 28, 2023 | MON | No | Yes | — | — | — | Resolved | Feb 28, 2023 | — | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | No | — | — | — | Resolved | Oct 31, 2021 | — | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | No | — | — | — | Resolved | Oct 31, 2021 | — | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | No | — | — | — | Resolved | Oct 31, 2021 | — | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | No | — | — | — | Resolved | Oct 31, 2021 | — | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1996 | — | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1996 | — | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1996 | — | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1996 | — | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1996 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1993 | — | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1993 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
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| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.