HORICON WATERWORKS
Wisconsin - Community Water System - PWSID: WI1140146
System Information
| PWSID | WI1140146 |
| System Name | HORICON 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 | HORICON |
| ZIP Code | 53032-1260 |
| Address | 404 E LAKE ST |
| Organization | HORICON INTERIM CITY CLERK - CHRIS SPILKER-JENKINS |
| Phone | - |
Population & Service
| Population Served | 3,682 |
| Service Connections | 1,363 |
Drinking Water Violations (64)
This water system has 64 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, 2023 | - | TT | Yes | No | - | - | - | Resolved | Jan 18, 2023 | - | |
| Jan 1, 2023 | - | TT | Yes | No | - | - | - | Resolved | Jan 18, 2023 | - | |
| Jan 1, 2023 | - | TT | Yes | No | - | - | - | Resolved | Jan 18, 2023 | - | |
| Jan 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Jan 16, 2018 | - | |
| Jan 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Jan 16, 2018 | - | |
| Jan 1, 2014 | - | TT | Yes | No | - | - | - | Resolved | Apr 3, 2014 | - | |
| Jan 1, 2014 | - | TT | Yes | No | - | - | - | Resolved | Apr 3, 2014 | - | |
| Jan 1, 2014 | - | TT | Yes | No | - | - | - | Resolved | Apr 3, 2014 | - | |
| Jan 1, 2014 | - | TT | Yes | No | - | - | - | Resolved | Apr 3, 2014 | - | |
| Aug 1, 2009 | Aug 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2009 | - | |
| Aug 1, 2009 | Aug 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2009 | - | |
| Aug 1, 2009 | Aug 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2009 | - | |
| Aug 1, 2009 | Aug 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2009 | - | |
| Aug 1, 2009 | Aug 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2009 | - | |
| Aug 1, 2009 | Aug 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2009 | - | |
| Aug 1, 2009 | Aug 31, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2009 | - | |
| Sep 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Sep 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Sep 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Sep 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Sep 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | - | 4.0 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | - | 4.0 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | - | 4.0 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | - | 4.0 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | No | - | 4.0 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Jan 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Jan 29, 2009 | - | |
| Jan 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Jan 29, 2009 | - | |
| Jan 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Jan 29, 2009 | - | |
| Jan 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Jan 29, 2009 | - | |
| Jan 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Jan 29, 2009 | - | |
| Jun 1, 2007 | Jun 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 28, 2007 | - | |
| Jun 1, 2007 | Jun 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 28, 2007 | - | |
| Jun 1, 2007 | Jun 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 28, 2007 | - | |
| Jun 1, 2007 | Jun 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 28, 2007 | - | |
| May 1, 2007 | May 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2007 | - | |
| May 1, 2007 | May 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2007 | - | |
| May 1, 2007 | May 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2007 | - | |
| May 1, 2007 | May 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2007 | - | |
| Jul 1, 2006 | Jul 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2006 | - | |
| Jul 1, 2006 | Jul 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2006 | - | |
| Jul 1, 2006 | Jul 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2006 | - | |
| Jul 1, 2006 | Jul 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2006 | - | |
| Jul 1, 2006 | Jul 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2006 | - | |
| Jul 1, 2005 | Jul 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 28, 2005 | - | |
| Jul 1, 2005 | Jul 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 28, 2005 | - | |
| Jul 1, 2005 | Jul 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 28, 2005 | - | |
| Jul 1, 2005 | Jul 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 28, 2005 | - | |
| Jul 1, 2005 | Jul 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 28, 2005 | - | |
| Nov 1, 2001 | Nov 30, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2001 | - |
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.