MUKWONAGO WATERWORKS
Wisconsin - Community Water System - PWSID: WI2680209
System Information
| PWSID | WI2680209 |
| System Name | MUKWONAGO 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 | MUKWONAGO |
| ZIP Code | 53149 |
| Address | 440 RIVER CREST CT |
| Organization | DYKSTRA, DIANA - VILLAGE CLERK |
| Phone | - |
Population & Service
| Population Served | 8,190 |
| Service Connections | 3,033 |
Drinking Water Violations (284)
This water system has 284 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Nov 13, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Nov 13, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Nov 13, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Nov 13, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Jan 1, 2012 | - | MR | No | No | - | TT | - | Resolved | Jan 11, 2013 | - | |
| Jan 1, 2012 | - | MR | No | No | - | TT | - | Resolved | Jan 11, 2013 | - | |
| Oct 1, 2011 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2011 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2011 | - | |
| Jul 1, 2010 | - | Other | No | No | - | - | - | Resolved | Jul 16, 2010 | - | |
| Jul 1, 2010 | - | Other | No | No | - | - | - | Resolved | Jul 16, 2010 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Jul 11, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Jul 11, 2008 | - | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | No | - | 0.080 mg/L | - | Resolved | Jun 30, 2005 | - | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | No | - | 0.080 mg/L | - | Resolved | Jun 30, 2005 | - | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | No | - | 0.080 mg/L | - | Resolved | Jun 30, 2005 | - | |
| Apr 1, 2005 | Jun 30, 2005 | MR | No | No | - | 0.080 mg/L | - | Resolved | Jun 30, 2005 | - | |
| Nov 1, 2004 | Nov 30, 2004 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 2004 | - | |
| Nov 1, 2004 | Nov 30, 2004 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 2004 | - | |
| Nov 1, 2004 | Nov 30, 2004 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 2004 | - | |
| Nov 1, 2004 | Nov 30, 2004 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 2004 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | No | - | 4.0 mg/L | - | Archived | Dec 31, 2004 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | No | - | 4.0 mg/L | - | Archived | Dec 31, 2004 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | No | - | 4.0 mg/L | - | Archived | Dec 31, 2004 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | No | - | 4.0 mg/L | - | Archived | Dec 31, 2004 | - |
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.