SHELL LAKE WATERWORKS
Wisconsin - Community Water System - PWSID: WI8660304
System Information
| PWSID | WI8660304 |
| System Name | SHELL LAKE 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 | SHELL LAKE |
| ZIP Code | 54871 |
| Address | SHELL LAKE CITY HALL |
| Organization | BROWN, MITCH |
| Phone | - |
Population & Service
| Population Served | 950 |
| Service Connections | 351 |
Drinking Water Violations (89)
This water system has 89 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 2, 2025 | - | |
| Oct 17, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Jul 3, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Jul 3, 2025 | - | |
| Jan 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jan 11, 2024 | - | |
| Jan 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jan 11, 2024 | - | |
| Oct 1, 2014 | Oct 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 30, 2014 | - | |
| Oct 1, 2014 | Oct 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 30, 2014 | - | |
| Oct 1, 2014 | Oct 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 30, 2014 | - | |
| Oct 1, 2014 | Oct 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 30, 2014 | - | |
| Oct 1, 2014 | Oct 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 30, 2014 | - | |
| Aug 1, 2014 | Aug 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 20, 2014 | - | |
| Aug 1, 2014 | Aug 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 20, 2014 | - | |
| Aug 1, 2014 | Aug 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 20, 2014 | - | |
| Aug 1, 2014 | Aug 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 20, 2014 | - | |
| Aug 1, 2014 | Aug 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 20, 2014 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 16, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 16, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 16, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 16, 2012 | - | |
| Nov 1, 2012 | Nov 30, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 16, 2012 | - | |
| Oct 1, 2009 | - | Other | No | No | - | - | - | Resolved | Feb 22, 2011 | - | |
| Sep 1, 2009 | Sep 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Sep 1, 2009 | Sep 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Sep 1, 2009 | Sep 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 19, 2008 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 19, 2008 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 19, 2008 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 19, 2008 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 19, 2008 | - | |
| Nov 1, 2002 | Nov 30, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Nov 5, 2002 | - | |
| Oct 1, 2002 | Oct 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Oct 22, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Aug 12, 2002 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Aug 12, 2002 | - | |
| Feb 1, 2001 | Feb 28, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2001 | - | |
| Feb 1, 2001 | Feb 28, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2001 | - | |
| Feb 1, 2001 | Feb 28, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2001 | - | |
| Jan 1, 2001 | Jan 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Archived | Jan 31, 2001 | - | |
| Jan 1, 2001 | Jan 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Archived | Jan 31, 2001 | - | |
| Jan 1, 2001 | Jan 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Archived | Jan 31, 2001 | - | |
| Jan 1, 2001 | Jan 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Archived | Jan 31, 2001 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 28, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 28, 2000 | - |
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.