MIDDLETON WATERWORKS
Wisconsin - Community Water System - PWSID: WI1130242
System Information
| PWSID | WI1130242 |
| System Name | MIDDLETON WATERWORKS |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Jan 28, 1981 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Wisconsin |
| City | MIDDLETON |
| ZIP Code | 53562-3118 |
| Address | 7426 HUBBARD AVE |
| Organization | MIDDLETON CITY CLERK - LORIE BURNS |
| Phone | - |
Population & Service
| Population Served | 23,868 |
| Service Connections | 8,840 |
Drinking Water Violations (121)
This water system has 121 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 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | May 29, 2025 | - | |
| Oct 17, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Oct 21, 2024 | - | |
| Oct 17, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Nov 14, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Nov 14, 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.