FOUR CORNERS ELEMENTARY SCHOOL
Wisconsin - Non-Transient Non-Community - PWSID: WI8160487
System Information
| PWSID | WI8160487 |
| System Name | FOUR CORNERS ELEMENTARY SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Jan 28, 1986 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Wisconsin |
| City | SUPERIOR |
| ZIP Code | 54880-2907 |
| Address | 3025 TOWER AVENUE |
| Organization | SUPERIOR SCHOOL DISTRICT |
| Phone | - |
Population & Service
| Population Served | 300 |
| Service Connections | 1 |
Drinking Water Violations (56)
This water system has 56 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Apr 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Feb 3, 2023 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Feb 3, 2023 | - | |
| Sep 1, 2009 | Sep 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 14, 2009 | - | |
| Sep 1, 2009 | Sep 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 14, 2009 | - | |
| Sep 1, 2009 | Sep 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 14, 2009 | - | |
| Sep 1, 2009 | Sep 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 14, 2009 | - | |
| Sep 1, 2009 | Sep 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 14, 2009 | - | |
| Sep 1, 2009 | Sep 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 14, 2009 | - | |
| Aug 1, 2009 | Aug 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 20, 2009 | - | |
| Aug 1, 2009 | Aug 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 20, 2009 | - | |
| Aug 1, 2009 | Aug 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 20, 2009 | - | |
| Aug 1, 2009 | Aug 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 20, 2009 | - | |
| Aug 1, 2009 | Aug 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 20, 2009 | - | |
| Aug 1, 2009 | Aug 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 20, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 10, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 10, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 10, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 10, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 10, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 10, 2009 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 20, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 20, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 20, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 20, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 20, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 20, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 20, 2008 | - | |
| Oct 1, 2004 | Oct 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 14, 2004 | - | |
| Oct 1, 2004 | Oct 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 14, 2004 | - | |
| Oct 1, 2004 | Oct 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 14, 2004 | - | |
| Oct 1, 2004 | Oct 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 14, 2004 | - | |
| Oct 1, 2004 | Oct 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 14, 2004 | - | |
| Oct 1, 2004 | Oct 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 14, 2004 | - | |
| Jul 1, 1999 | Jul 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 15, 1999 | - | |
| Jul 1, 1999 | Jul 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 15, 1999 | - | |
| Jul 1, 1998 | Jul 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1998 | - | |
| Jul 1, 1998 | Jul 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1998 | - | |
| Jul 1, 1998 | Jul 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1998 | - | |
| Jul 1, 1998 | Jul 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1998 | - | |
| Jul 1, 1998 | Jul 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1998 | - |
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.