LAKE DENOON MIDDLE SCHOOL
Wisconsin — Non-Transient Non-Community — PWSID: WI2685652
System Information
| PWSID | WI2685652 |
| System Name | LAKE DENOON MIDDLE 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 | Aug 31, 1999 |
| Last Reported | Dec 17, 2025 |
Location & Contact
| State | Wisconsin |
| City | MUSKEGO |
| ZIP Code | 53150 |
| Address | S87 W18763 WOODS RD |
| Organization | JOHNSON, JEREMIAH - BLDG & GRDS SUPERVISOR |
| Phone | — |
Population & Service
| Population Served | 825 |
| Service Connections | 1 |
Drinking Water Violations (32)
This water system has 32 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, 2017 | Jun 30, 2017 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2017 | Revised Total Coliform Rule |
| Apr 1, 2017 | Jun 30, 2017 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2017 | Revised Total Coliform Rule |
| Apr 1, 2017 | Jun 30, 2017 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2017 | Revised Total Coliform Rule |
| Apr 1, 2017 | Jun 30, 2017 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2017 | Revised Total Coliform Rule |
| Apr 1, 2017 | Jun 30, 2017 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2017 | Revised Total Coliform Rule |
| Jan 1, 2013 | Mar 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2013 | Total Coliform Rule |
| Jan 1, 2013 | Mar 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2013 | Total Coliform Rule |
| Jan 1, 2013 | Mar 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2013 | Total Coliform Rule |
| Jan 1, 2013 | Mar 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2013 | Total Coliform Rule |
| Jan 1, 2013 | Mar 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2013 | Total Coliform Rule |
| Jan 1, 2013 | Mar 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2013 | Total Coliform Rule |
| Jul 1, 2011 | Sep 30, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2011 | Total Coliform Rule |
| Jul 1, 2011 | Sep 30, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2011 | Total Coliform Rule |
| Jul 1, 2011 | Sep 30, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2011 | Total Coliform Rule |
| Jul 1, 2011 | Sep 30, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2011 | Total Coliform Rule |
| Jul 1, 2011 | Sep 30, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2011 | Total Coliform Rule |
| Apr 1, 2006 | Jun 30, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2006 | Total Coliform Rule |
| Apr 1, 2006 | Jun 30, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2006 | Total Coliform Rule |
| Apr 1, 2006 | Jun 30, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2006 | Total Coliform Rule |
| Apr 1, 2006 | Jun 30, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2006 | Total Coliform Rule |
| Apr 1, 2006 | Jun 30, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2006 | Total Coliform Rule |
| Jan 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Nov 20, 2002 | Lead and Copper Rule |
| Jan 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Nov 20, 2002 | Lead and Copper Rule |
| Jan 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Nov 20, 2002 | Lead and Copper Rule |
| Jul 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Nov 20, 2002 | Lead and Copper Rule |
| Jan 1, 2001 | Sep 30, 2001 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 2001 | Inorganic Chemicals |
| Jan 1, 2001 | Sep 30, 2001 | Benzo(a)pyrene | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 2001 | Synthetic Organic Chemicals |
| Jan 1, 2001 | Sep 30, 2001 | 2,3,7,8-TCDD | MR | No | Yes | — | 0.00000003 mg/L | — | Resolved | Sep 30, 2001 | Synthetic Organic Chemicals |
| Jan 1, 2001 | Sep 30, 2001 | 2,3,7,8-TCDD | MR | No | Yes | — | 0.00000003 mg/L | — | Resolved | Sep 30, 2001 | Synthetic Organic Chemicals |
| Jan 1, 2001 | Sep 30, 2001 | 2,3,7,8-TCDD | MR | No | Yes | — | 0.00000003 mg/L | — | Resolved | Sep 30, 2001 | Synthetic Organic Chemicals |
| Jan 1, 2001 | Sep 30, 2001 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 2001 | Inorganic Chemicals |
| Jan 1, 2001 | Sep 30, 2001 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 2001 | Inorganic Chemicals |
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.