DEERFIELD WATERWORKS
Wisconsin - Community Water System - PWSID: WI1130223
System Information
| PWSID | WI1130223 |
| System Name | DEERFIELD 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 | DEERFIELD |
| ZIP Code | 53531 |
| Address | 23 W NELSON ST |
| Organization | DOWNEY, RICHARD - DEERFIELD VIL ADMINISTRATOR |
| Phone | - |
Population & Service
| Population Served | 2,510 |
| Service Connections | 929 |
Drinking Water Violations (45)
This water system has 45 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, 2012 | - | MR | No | No | - | TT | - | Resolved | Jul 28, 2015 | - | |
| Oct 1, 2012 | - | MR | No | No | - | TT | - | Resolved | Jul 28, 2015 | - | |
| Oct 1, 2003 | Oct 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2003 | - | |
| Oct 1, 2003 | Oct 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2003 | - | |
| Oct 1, 2003 | Oct 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2003 | - | |
| Oct 1, 2003 | Oct 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2003 | - | |
| Oct 1, 2003 | Oct 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2003 | - | |
| Aug 1, 1998 | Aug 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 17, 1998 | - | |
| Aug 1, 1998 | Aug 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 17, 1998 | - | |
| Aug 1, 1998 | Aug 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 17, 1998 | - | |
| Aug 1, 1998 | Aug 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 17, 1998 | - | |
| Aug 1, 1998 | Aug 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 17, 1998 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1995 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1995 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1995 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1995 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1995 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 29, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 29, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 29, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 29, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 29, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 29, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 29, 1994 | - | |
| Aug 1, 1994 | Aug 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 29, 1994 | - | |
| Feb 1, 1994 | Feb 28, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1994 | - | |
| Feb 1, 1994 | Feb 28, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1994 | - | |
| Feb 1, 1994 | Feb 28, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1994 | - | |
| Nov 1, 1992 | Nov 30, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1992 | - | |
| Nov 1, 1992 | Nov 30, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1992 | - | |
| Nov 1, 1992 | Nov 30, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1992 | - | |
| Nov 1, 1992 | Nov 30, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1992 | - | |
| Dec 1, 1991 | Dec 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 26, 1991 | - | |
| Dec 1, 1991 | Dec 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 26, 1991 | - | |
| Dec 1, 1991 | Dec 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 26, 1991 | - | |
| Dec 1, 1991 | Dec 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 26, 1991 | - | |
| Sep 1, 1991 | Sep 30, 1991 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 1991 | - | |
| Sep 1, 1991 | Sep 30, 1991 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 1991 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.