SOMERSET WATERWORKS
Wisconsin - Community Water System - PWSID: WI6560137
System Information
| PWSID | WI6560137 |
| System Name | SOMERSET WATERWORKS |
| 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 | SOMERSET |
| ZIP Code | 54025 |
| Address | PO BOX 356 |
| Organization | LEHMAN, JESSICA - CLERK/TREASURER |
| Phone | - |
Population & Service
| Population Served | 3,334 |
| Service Connections | 1,173 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Resolved | Oct 23, 2025 | - | |
| Oct 17, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | May 22, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Oct 30, 2024 | - | |
| Jan 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jan 16, 2024 | - | |
| Jan 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jan 16, 2024 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 23, 2011 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 23, 2011 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 23, 2011 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 23, 2011 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 23, 2011 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 23, 2011 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 23, 2011 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 23, 2011 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 23, 2011 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 23, 2011 | - | |
| Oct 1, 2006 | Oct 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 12, 2006 | - | |
| Oct 1, 2006 | Oct 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 12, 2006 | - | |
| Oct 1, 2006 | Oct 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 12, 2006 | - | |
| Oct 1, 2006 | Oct 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 12, 2006 | - | |
| Jul 1, 2003 | Jul 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 24, 2003 | - | |
| Jul 1, 2003 | Jul 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 24, 2003 | - | |
| Jul 1, 2003 | Jul 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 24, 2003 | - | |
| Jul 1, 2003 | Jul 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 24, 2003 | - | |
| - | - | - | 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.