HOLY TRINITY CHURCH & LEARNING CENTER
Wisconsin — Non-Transient Non-Community — PWSID: WI2681107
System Information
| PWSID | WI2681107 |
| System Name | HOLY TRINITY CHURCH & LEARNING CENTER |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 05 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Jan 21, 1983 |
| Last Reported | Dec 17, 2025 |
Location & Contact
| State | Wisconsin |
| City | OCONOMOWOC |
| ZIP Code | 53066 |
| Address | N50 W35181 WISCONSIN AVE |
| Organization | BEAVER, PAT - HEAD TRUSTEE |
| Phone | — |
Population & Service
| Population Served | 505 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2014 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 15, 2014 | Lead and Copper Rule |
| Jan 1, 2014 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 15, 2014 | Lead and Copper Rule |
| Apr 1, 2004 | Jun 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2004 | Total Coliform Rule |
| Apr 1, 2004 | Jun 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2004 | Total Coliform Rule |
| Apr 1, 2004 | Jun 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2004 | Total Coliform Rule |
| Apr 1, 2004 | Jun 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2004 | Total Coliform Rule |
| Jan 1, 2004 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Oct 1, 2003 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Oct 1, 2003 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Oct 1, 2003 | Dec 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | Total Coliform Rule |
| Oct 1, 2003 | Dec 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | Total Coliform Rule |
| Sep 1, 2003 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Aug 18, 2003 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Aug 18, 2003 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Aug 1, 2003 | Aug 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2003 | Total Coliform Rule |
| Aug 1, 2003 | Aug 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2003 | Total Coliform Rule |
| Jul 1, 2003 | Sep 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2003 | Total Coliform Rule |
| Jul 1, 2003 | Sep 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2003 | Total Coliform Rule |
| Apr 1, 2003 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Apr 1, 2003 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Jan 1, 2003 | Mar 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2003 | Total Coliform Rule |
| Jan 1, 2003 | Dec 31, 2003 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2003 | Nitrate Rule |
| Apr 1, 2002 | Jun 30, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2002 | Total Coliform Rule |
| Jan 1, 2002 | Sep 30, 2002 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2002 | Nitrate Rule |
| Jan 1, 2002 | Sep 30, 2002 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2002 | Nitrate Rule |
| Jan 1, 2002 | Sep 30, 2002 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2002 | Nitrate Rule |
| Jan 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 24, 2004 | Lead and Copper Rule |
| Jan 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 24, 2004 | Lead and Copper Rule |
| Jan 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 24, 2004 | Lead and Copper Rule |
| Jan 1, 2001 | Sep 30, 2001 | Nitrite | MR | No | Yes | — | 1 mg/L | — | Resolved | Sep 30, 2001 | Nitrate Rule |
| Jan 1, 2001 | Sep 30, 2001 | Nitrite | MR | No | Yes | — | 1 mg/L | — | Resolved | Sep 30, 2001 | Nitrate Rule |
| Jan 1, 2001 | Sep 30, 2001 | Nitrite | MR | No | Yes | — | 1 mg/L | — | Resolved | Sep 30, 2001 | Nitrate Rule |
| Nov 21, 2000 | Dec 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2000 | Total Coliform Rule |
| Jul 1, 2000 | Sep 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 7, 1990 | Total Coliform Rule |
| Jul 1, 2000 | Sep 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 7, 1990 | Total Coliform Rule |
| Jan 1, 2000 | Mar 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2000 | Total Coliform Rule |
| Jul 1, 1999 | Sep 30, 1999 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1999 | Total Coliform Rule |
| Jan 1, 1999 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 15, 2002 | Lead and Copper Rule |
| Jan 1, 1999 | Dec 31, 1999 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1999 | Nitrate Rule |
| Jan 1, 1999 | Dec 31, 1999 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1999 | Nitrate Rule |
| Jan 1, 1999 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 15, 2002 | Lead and Copper Rule |
| Jan 1, 1999 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 15, 2002 | Lead and Copper Rule |
| Jan 1, 1999 | Dec 31, 1999 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1999 | Nitrate Rule |
| Oct 1, 1998 | Dec 31, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1998 | Total Coliform Rule |
| Aug 1, 1998 | Aug 31, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 1998 | Total Coliform Rule |
| Jan 1, 1998 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 15, 2002 | Lead and Copper Rule |
| Jan 1, 1998 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 15, 2002 | Lead and Copper Rule |
| Jan 1, 1998 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 15, 2002 | Lead and Copper Rule |
| Jan 1, 1998 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 15, 2002 | Lead and Copper Rule |
| Apr 1, 1993 | Jun 30, 1993 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Resolved | Jun 30, 1993 | Total Coliform Rule |
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.