JANESVILLE WATER UTILITY
Wisconsin — Community Water System — PWSID: WI1540127
System Information
| PWSID | WI1540127 |
| System Name | JANESVILLE WATER UTILITY |
| 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 | Dec 17, 2025 |
Location & Contact
| State | Wisconsin |
| City | JANESVILLE |
| ZIP Code | 53546 |
| Address | 123 E DELAVAN DR |
| Organization | BOTTS, DAVE - UTILITY DIRECTOR |
| Phone | — |
Population & Service
| Population Served | 64,415 |
| Service Connections | 23,857 |
Drinking Water Violations (4)
This water system has 4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2016 | Apr 30, 2016 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Apr 30, 2016 | Revised Total Coliform Rule |
| Apr 1, 2016 | Apr 30, 2016 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Apr 30, 2016 | Revised Total Coliform Rule |
| Apr 1, 2016 | Apr 30, 2016 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Apr 30, 2016 | Revised Total Coliform Rule |
| Apr 1, 2016 | Apr 30, 2016 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Apr 30, 2016 | Revised Total Coliform Rule |
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.