LANCASTER WATERWORKS
Wisconsin — Community Water System — PWSID: WI1220107
System Information
| PWSID | WI1220107 |
| System Name | LANCASTER 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 | LANCASTER |
| ZIP Code | 53813-1762 |
| Address | 206 S MADISON ST |
| Organization | LANCASTER CITY CLERK - DAVID KURIHARA |
| Phone | — |
Population & Service
| Population Served | 3,907 |
| Service Connections | 1,447 |
Drinking Water Violations (43)
This water system has 43 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 1, 2022 | Mar 31, 2022 | MON | No | No | — | — | — | Resolved | Mar 31, 2022 | — | |
| Mar 1, 2022 | Mar 31, 2022 | MON | No | No | — | — | — | Resolved | Mar 31, 2022 | — | |
| Mar 1, 2022 | Mar 31, 2022 | MON | No | No | — | — | — | Resolved | Mar 31, 2022 | — | |
| Mar 1, 2022 | Mar 31, 2022 | MON | No | No | — | — | — | Resolved | Mar 31, 2022 | — | |
| Jun 1, 2017 | — | MR | No | No | — | TT | — | Resolved | Sep 11, 2018 | — | |
| Jun 1, 2017 | — | MR | No | No | — | TT | — | Resolved | Sep 11, 2018 | — | |
| Jun 1, 2017 | — | MR | No | No | — | TT | — | Resolved | Sep 11, 2018 | — | |
| Jun 1, 2017 | — | MR | No | No | — | TT | — | Resolved | Sep 11, 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 | — | 0.080 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 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | No | — | 0.060 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 25, 2013 | — | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 25, 2013 | — | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 25, 2013 | — | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 25, 2013 | — | |
| Sep 1, 2013 | Sep 30, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 25, 2013 | — | |
| Jul 1, 2013 | — | Other | No | No | — | — | — | Resolved | Aug 5, 2013 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | 6.04 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | 6.04 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | 6.04 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | 6.04 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2012 | — | |
| May 22, 2012 | — | Other | No | No | — | — | — | Resolved | Oct 3, 2012 | — | |
| Apr 1, 2012 | Jun 30, 2012 | MCL | Yes | No | 6.05 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2012 | — | |
| Apr 1, 2012 | Jun 30, 2012 | MCL | Yes | No | 6.05 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2012 | — | |
| Apr 1, 2012 | Jun 30, 2012 | MCL | Yes | No | 6.05 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2012 | — | |
| Apr 1, 2012 | Jun 30, 2012 | MCL | Yes | No | 6.05 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2012 | — | |
| May 1, 1997 | May 31, 1997 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1997 | — | |
| May 1, 1997 | May 31, 1997 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1997 | — | |
| May 1, 1997 | May 31, 1997 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1997 | — | |
| May 1, 1997 | May 31, 1997 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1997 | — | |
| Jan 1, 1993 | Aug 30, 1993 | MR | No | No | — | TT | — | Resolved | Aug 30, 1993 | — | |
| Jan 1, 1993 | Aug 30, 1993 | MR | No | No | — | TT | — | Resolved | Aug 30, 1993 | — | |
| Jan 1, 1993 | Aug 30, 1993 | MR | No | No | — | TT | — | Resolved | Aug 30, 1993 | — | |
| Jan 1, 1993 | Aug 30, 1993 | MR | No | No | — | TT | — | Resolved | Aug 30, 1993 | — | |
| — | — | — | 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.