DELAFIELD WATERWORKS
Wisconsin — Community Water System — PWSID: WI2684642
System Information
| PWSID | WI2684642 |
| System Name | DELAFIELD 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 | Feb 27, 1995 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Wisconsin |
| City | Delafield |
| ZIP Code | 53018 |
| Address | 500 GENESEE STREET |
| Organization | CITY OF DELAFIELD - ATTN: MAYOR |
| Phone | — |
Population & Service
| Population Served | 300 |
| Service Connections | 111 |
Drinking Water Violations (36)
This water system has 36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2001 | — | Other | No | No | — | — | — | Resolved | Aug 2, 2001 | — | |
| Jul 1, 2001 | — | Other | No | No | — | — | — | Resolved | Aug 2, 2001 | — | |
| Jan 1, 2001 | Jan 19, 2005 | MCL | Yes | No | 7.3 | 5 pCi/L | 5.5 | Resolved | Jan 19, 2005 | — | |
| Jan 1, 2001 | Jan 19, 2005 | MCL | Yes | No | 7.3 | 5 pCi/L | 5.5 | Resolved | Jan 19, 2005 | — | |
| Jan 1, 2001 | Jan 19, 2005 | MCL | Yes | No | 7.3 | 5 pCi/L | 5.5 | Resolved | Jan 19, 2005 | — | |
| Jan 1, 2001 | Jan 19, 2005 | MCL | Yes | No | 7.3 | 5 pCi/L | 5.5 | Resolved | Jan 19, 2005 | — | |
| Jan 1, 2001 | Jan 19, 2005 | MCL | Yes | No | 17 | 15 pCi/L | 15.5 | Resolved | Jan 19, 2005 | — | |
| Jan 1, 2001 | Jan 19, 2005 | MCL | Yes | No | 17 | 15 pCi/L | 15.5 | Resolved | Jan 19, 2005 | — | |
| Jan 1, 2001 | Jan 19, 2005 | MCL | Yes | No | 17 | 15 pCi/L | 15.5 | Resolved | Jan 19, 2005 | — | |
| Jan 1, 2001 | Jan 19, 2005 | MCL | Yes | No | 17 | 15 pCi/L | 15.5 | Resolved | Jan 19, 2005 | — | |
| Apr 1, 2000 | Jun 30, 2000 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Jun 30, 2000 | — | |
| Apr 1, 2000 | Jun 30, 2000 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2000 | — | |
| Apr 1, 2000 | Jun 30, 2000 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2000 | — | |
| Apr 1, 2000 | Jun 30, 2000 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Jun 30, 2000 | — | |
| Apr 1, 2000 | Jun 30, 2000 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Jun 30, 2000 | — | |
| Apr 1, 2000 | Jun 30, 2000 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2000 | — | |
| Apr 1, 2000 | Jun 30, 2000 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2000 | — | |
| Apr 1, 2000 | Jun 30, 2000 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2000 | — | |
| Apr 1, 2000 | Jun 30, 2000 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Jun 30, 2000 | — | |
| Apr 1, 2000 | Jun 30, 2000 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2000 | — | |
| Apr 1, 2000 | Jun 30, 2000 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Jun 30, 2000 | — | |
| Apr 1, 2000 | Jun 30, 2000 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Jun 30, 2000 | — | |
| Jul 20, 1999 | Aug 31, 1999 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Aug 31, 1999 | — | |
| Jul 20, 1999 | Aug 31, 1999 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Aug 31, 1999 | — | |
| Jul 20, 1999 | Aug 31, 1999 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Aug 31, 1999 | — | |
| Jul 20, 1999 | Aug 31, 1999 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Aug 31, 1999 | — | |
| Jul 20, 1999 | Aug 31, 1999 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Aug 31, 1999 | — | |
| Jul 20, 1999 | Aug 31, 1999 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Aug 31, 1999 | — | |
| Jan 1, 1998 | Dec 31, 1998 | MCL | Yes | No | 5.6 | 5 pCi/L | 5.5 | Resolved | Dec 31, 1998 | — | |
| Jan 1, 1998 | Dec 31, 1998 | MCL | Yes | No | 5.6 | 5 pCi/L | 5.5 | Resolved | Dec 31, 1998 | — | |
| Jan 1, 1998 | Dec 31, 1998 | MCL | Yes | No | 5.6 | 5 pCi/L | 5.5 | Resolved | Dec 31, 1998 | — | |
| Jan 1, 1998 | Dec 31, 1998 | MCL | Yes | No | 5.6 | 5 pCi/L | 5.5 | Resolved | Dec 31, 1998 | — | |
| Jan 1, 1998 | Dec 31, 1998 | MCL | Yes | No | 5.6 | 5 pCi/L | 5.5 | Resolved | Dec 31, 1998 | — | |
| Jan 1, 1998 | Dec 31, 1998 | MCL | Yes | No | 5.6 | 5 pCi/L | 5.5 | Resolved | Dec 31, 1998 | — | |
| Jan 1, 1998 | Dec 31, 1998 | MCL | Yes | No | 5.6 | 5 pCi/L | 5.5 | Resolved | Dec 31, 1998 | — | |
| Jan 1, 1995 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 1995 | — |
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.