WATERTOWN WATERWORKS
Wisconsin - Community Water System - PWSID: WI1280044
System Information
| PWSID | WI1280044 |
| System Name | WATERTOWN 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 | WATERTOWN |
| ZIP Code | 53094 |
| Address | 800 HOFFMANN DRIVE |
| Organization | HARTZ, PETER |
| Phone | - |
Population & Service
| Population Served | 23,945 |
| Service Connections | 8,708 |
Drinking Water Violations (35)
This water system has 35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2024 | Dec 31, 2024 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 30, 2004 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 30, 2004 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 30, 2004 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 30, 2004 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 30, 2004 | - | |
| Dec 1, 2001 | Dec 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2001 | - | |
| Dec 1, 2001 | Dec 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2001 | - | |
| Dec 1, 2001 | Dec 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2001 | - | |
| Dec 1, 2001 | Dec 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2001 | - | |
| Dec 1, 2001 | Dec 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2001 | - | |
| Dec 1, 2001 | Dec 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2001 | - | |
| Aug 1, 1997 | Aug 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1997 | - | |
| Aug 1, 1997 | Aug 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1997 | - | |
| Aug 1, 1997 | Aug 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1997 | - | |
| Aug 1, 1997 | Aug 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1997 | - | |
| Aug 1, 1997 | Aug 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1997 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1996 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1996 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1996 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1996 | - | |
| May 1, 1996 | May 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 29, 1996 | - | |
| May 1, 1996 | May 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 29, 1996 | - | |
| May 1, 1996 | May 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 29, 1996 | - | |
| May 1, 1996 | May 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 29, 1996 | - | |
| - | - | - | 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.