OAKFIELD WATERWORKS
Wisconsin - Community Water System - PWSID: WI4200475
System Information
| PWSID | WI4200475 |
| System Name | OAKFIELD 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 | OAKFIELD |
| ZIP Code | 53065-0098 |
| Address | PO BOX 98 |
| Organization | OAKFIELD VIL CLERK - MIRIAM THOMAS |
| Phone | - |
Population & Service
| Population Served | 1,058 |
| Service Connections | 391 |
Drinking Water Violations (37)
This water system has 37 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, 2019 | Oct 31, 2019 | MON | No | No | - | - | - | Resolved | Oct 31, 2019 | - | |
| Oct 1, 2019 | Oct 31, 2019 | MON | No | No | - | - | - | Resolved | Oct 31, 2019 | - | |
| Oct 1, 2019 | Oct 31, 2019 | MON | No | No | - | - | - | Resolved | Oct 31, 2019 | - | |
| Oct 1, 2019 | Oct 31, 2019 | MON | No | No | - | - | - | Resolved | Oct 31, 2019 | - | |
| Jan 1, 2012 | - | MR | No | No | - | TT | - | Resolved | Aug 26, 2012 | - | |
| Jan 1, 2012 | - | MR | No | No | - | TT | - | Resolved | Aug 26, 2012 | - | |
| Oct 1, 2010 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1998 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1998 | - | |
| Jan 1, 1998 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1998 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1998 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1998 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1998 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1998 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1998 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1998 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1998 | - | |
| Jan 1, 1998 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 1999 | - | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1996 | - | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1996 | - | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1996 | - | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1996 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.