LOMIRA WATERWORKS
Wisconsin — Community Water System — PWSID: WI1140151
System Information
| PWSID | WI1140151 |
| System Name | LOMIRA 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 | LOMIRA |
| ZIP Code | 53048 |
| Address | 425 S WATER ST |
| Organization | ROSKOPF, NICK - DIR PUBLIC WORKS |
| Phone | — |
Population & Service
| Population Served | 2,701 |
| Service Connections | 1,000 |
Drinking Water Violations (192)
This water system has 192 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 | Jul 15, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | No | — | 0.060 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | No | — | 0.080 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | No | — | 0.060 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | No | — | 0.080 mg/L | — | Archived | Dec 31, 2025 | — | |
| Oct 2, 2020 | — | Other | No | No | — | — | — | Resolved | Dec 2, 2020 | — | |
| Oct 2, 2020 | — | Other | No | No | — | — | — | Resolved | Dec 2, 2020 | — | |
| Aug 1, 2020 | — | Other | No | No | — | — | — | Resolved | Sep 29, 2021 | — | |
| Aug 1, 2020 | — | Other | No | No | — | — | — | Resolved | Sep 29, 2021 | — | |
| Jul 1, 2020 | Jul 31, 2020 | MON | No | No | — | — | — | Resolved | Jul 31, 2020 | — | |
| Jul 1, 2020 | Jul 31, 2020 | MON | No | No | — | — | — | Resolved | Jul 31, 2020 | — | |
| Jul 1, 2020 | Jul 31, 2020 | MON | No | No | — | — | — | Resolved | Jul 31, 2020 | — | |
| Jul 1, 2020 | Jul 31, 2020 | MON | No | No | — | — | — | Resolved | Jul 31, 2020 | — | |
| Jan 1, 2019 | Jan 31, 2019 | MON | No | No | — | — | — | Resolved | Jan 31, 2019 | — | |
| Jan 1, 2019 | Jan 31, 2019 | MON | No | No | — | — | — | Resolved | Jan 31, 2019 | — | |
| Jan 1, 2019 | Jan 31, 2019 | MON | No | No | — | — | — | Resolved | Jan 31, 2019 | — | |
| Jan 1, 2019 | Jan 31, 2019 | MON | No | No | — | — | — | Resolved | Jan 31, 2019 | — | |
| Jan 1, 2018 | — | MR | No | No | — | TT | — | Resolved | Jan 18, 2018 | — | |
| Jan 1, 2018 | — | MR | No | No | — | TT | — | Resolved | Jan 18, 2018 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Jun 30, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | — | — | — | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | — | — | — | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | — | — | — | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | — | — | — | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Mar 31, 2014 | — | |
| Apr 18, 2007 | — | Other | No | No | — | — | — | Resolved | Jul 10, 2007 | — | |
| Apr 18, 2007 | — | Other | No | No | — | — | — | Resolved | Jul 10, 2007 | — | |
| Jan 1, 2007 | Mar 31, 2007 | MCL | Yes | No | 5.7 PCI/L | 5 pCi/L | 5.5 | Resolved | Mar 31, 2007 | — | |
| Jan 1, 2007 | Mar 31, 2007 | MCL | Yes | No | 5.7 PCI/L | 5 pCi/L | 5.5 | Resolved | Mar 31, 2007 | — | |
| Jan 1, 2007 | Mar 31, 2007 | MCL | Yes | No | 5.7 PCI/L | 5 pCi/L | 5.5 | Resolved | Mar 31, 2007 | — | |
| Jan 1, 2007 | Mar 31, 2007 | MCL | Yes | No | 5.7 PCI/L | 5 pCi/L | 5.5 | Resolved | Mar 31, 2007 | — | |
| Jan 1, 2007 | Mar 31, 2007 | MCL | Yes | No | 5.7 PCI/L | 5 pCi/L | 5.5 | Resolved | Mar 31, 2007 | — |
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.