NORWALK WATERWORKS
Wisconsin — Community Water System — PWSID: WI6420296
System Information
| PWSID | WI6420296 |
| System Name | NORWALK 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 | Dec 17, 2025 |
Location & Contact
| State | Wisconsin |
| City | Norwalk |
| ZIP Code | 54648-0230 |
| Address | PO BOX 230 |
| Organization | VILLAGE OF NORWALK/ ATTN: VILLAGE PRESIDENT |
| Phone | — |
Population & Service
| Population Served | 653 |
| Service Connections | 230 |
Drinking Water Violations (5)
This water system has 5 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, 2010 | Mar 31, 2010 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2010 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2010 | Mar 31, 2010 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2010 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| May 1, 2008 | May 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2008 | Total Coliform Rule |
| May 1, 2008 | May 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2008 | Total Coliform Rule |
| May 1, 2008 | May 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2008 | 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.