WAUKESHA WATER UTILITY
Wisconsin - Community Water System - PWSID: WI2680238
System Information
| PWSID | WI2680238 |
| System Name | WAUKESHA WATER UTILITY |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| 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 | WAUKESHA |
| ZIP Code | 53188 |
| Address | 115 DELAFIELD STREET |
| Organization | WAUKESHA WATER UTILITY |
| Phone | - |
Population & Service
| Population Served | 70,718 |
| Service Connections | 26,192 |
Drinking Water Violations (2,969)
This water system has 2,969 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, 2023 | Dec 31, 2023 | MCL | Yes | No | 7.79 PCI/L | 5 pCi/L | 5.5 | Resolved | Oct 15, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 7.79 PCI/L | 5 pCi/L | 5.5 | Resolved | Oct 15, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 5.6 PCI/L | 5 pCi/L | 5.5 | Resolved | Oct 15, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 5.6 PCI/L | 5 pCi/L | 5.5 | Resolved | Oct 15, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 5.6 PCI/L | 5 pCi/L | 5.5 | Resolved | Oct 15, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 7.79 PCI/L | 5 pCi/L | 5.5 | Resolved | Oct 15, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 7.79 PCI/L | 5 pCi/L | 5.5 | Resolved | Oct 15, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 7.79 PCI/L | 5 pCi/L | 5.5 | Resolved | Oct 15, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 5.6 PCI/L | 5 pCi/L | 5.5 | Resolved | Oct 15, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 5.6 PCI/L | 5 pCi/L | 5.5 | Resolved | Oct 15, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 5.6 PCI/L | 5 pCi/L | 5.5 | Resolved | Oct 15, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 5.6 PCI/L | 5 pCi/L | 5.5 | Resolved | Oct 15, 2023 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 7.79 PCI/L | 5 pCi/L | 5.5 | Resolved | Oct 15, 2023 | - | |
| Sep 29, 2023 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Sep 29, 2023 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Sep 20, 2023 | - | Other | No | No | - | - | - | Resolved | Jan 24, 2024 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | 7.79 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | 6.6 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | 7.79 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | 7.79 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | 7.79 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | 6.6 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | 7.79 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | 6.6 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | 6.6 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | 6.6 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | 7.79 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | 6.6 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2023 | - | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | 6.6 PCI/L | 5 pCi/L | 5.5 | Resolved | Sep 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 16.95 PCI/L | 15 pCi/L | 15.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 7.41 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 7.41 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 9.79 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 7.41 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 7.41 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 6.18 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 7.41 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 9.79 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 16.95 PCI/L | 15 pCi/L | 15.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 9.79 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 6.18 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 16.95 PCI/L | 15 pCi/L | 15.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 6.18 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 6.18 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 7.41 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 6.18 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 6.18 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 16.95 PCI/L | 15 pCi/L | 15.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 16.95 PCI/L | 15 pCi/L | 15.5 | Resolved | Jun 30, 2023 | - | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 7.41 PCI/L | 5 pCi/L | 5.5 | Resolved | Jun 30, 2023 | - |
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.