MAYVILLE WATERWORKS
Wisconsin - Community Water System - PWSID: WI1140057
System Information
| PWSID | WI1140057 |
| System Name | MAYVILLE 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 | MAYVILLE |
| ZIP Code | 53050 |
| Address | 15 S SCHOOL ST |
| Organization | GONSTEAD, ANATASIA - CITY CLERK |
| Phone | - |
Population & Service
| Population Served | 5,112 |
| Service Connections | 1,893 |
Drinking Water Violations (58)
This water system has 58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 15, 2017 | - | RPT | No | No | - | - | - | Resolved | Jan 23, 2018 | - | |
| Nov 15, 2017 | - | RPT | No | No | - | - | - | Resolved | Jan 23, 2018 | - | |
| Nov 15, 2017 | - | RPT | No | No | - | - | - | Resolved | Jan 23, 2018 | - | |
| Nov 15, 2017 | - | RPT | No | No | - | - | - | Resolved | Jan 23, 2018 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Aug 17, 2012 | - | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Aug 17, 2012 | - | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Aug 17, 2012 | - | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Aug 17, 2012 | - | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Aug 17, 2012 | - | |
| Aug 3, 2010 | - | Other | No | No | - | - | - | Resolved | Feb 1, 2011 | - | |
| Aug 3, 2010 | - | Other | No | No | - | - | - | Resolved | Feb 1, 2011 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | 9.78 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 27, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 27, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 27, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 27, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 27, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 27, 2000 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 23, 1996 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 23, 1996 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 23, 1996 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 23, 1996 | - | |
| Oct 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Oct 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Oct 20, 1983 | Sep 19, 1984 | MCL | Yes | No | 8.5 | 5 pCi/L | 10 | Archived | Sep 19, 1984 | - | |
| Aug 22, 1983 | Oct 21, 1983 | MCL | Yes | No | 8.5 | 5 pCi/L | 5 | Resolved | Oct 21, 1983 | - |
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.