SHAWANO WATERWORKS
Wisconsin - Community Water System - PWSID: WI4590456
System Information
| PWSID | WI4590456 |
| System Name | SHAWANO 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 | SHAWANO |
| ZIP Code | 54166 |
| Address | 2905 E RICHMOND ST |
| Organization | MAHLOCH, MICHAEL - PUBLIC WORKS DIRECTOR |
| Phone | - |
Population & Service
| Population Served | 9,610 |
| Service Connections | 3,735 |
Drinking Water Violations (27)
This water system has 27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jan 13, 2020 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jan 13, 2020 | - | |
| 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 | - | |
| Jun 1, 2012 | Jun 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 16, 2012 | - | |
| Jun 1, 2012 | Jun 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 16, 2012 | - | |
| Jun 1, 2012 | Jun 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 16, 2012 | - | |
| Jun 1, 2012 | Jun 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 16, 2012 | - | |
| Jun 1, 2012 | Jun 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 16, 2012 | - | |
| Jan 1, 2007 | Mar 31, 2007 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Mar 31, 2007 | - | |
| Jan 1, 2007 | Mar 31, 2007 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Mar 31, 2007 | - | |
| Jan 1, 2007 | Mar 31, 2007 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Mar 31, 2007 | - | |
| Jan 1, 2007 | Mar 31, 2007 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Mar 31, 2007 | - | |
| Jan 1, 2007 | Mar 31, 2007 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Mar 31, 2007 | - | |
| Oct 1, 2004 | - | Other | No | No | - | - | - | Resolved | Dec 28, 2004 | - | |
| Oct 1, 2004 | - | Other | No | No | - | - | - | Resolved | Dec 28, 2004 | - | |
| Feb 1, 1993 | Feb 28, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 1993 | - | |
| Feb 1, 1993 | Feb 28, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 1993 | - | |
| Feb 1, 1993 | Feb 28, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 1993 | - | |
| Jul 1, 1992 | Dec 31, 1992 | MR | No | No | - | TT | - | Archived | Dec 31, 1992 | - | |
| - | - | - | 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.