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 | Mar 2, 2026 |
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 (32)
This water system has 32 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 1, 2010 | Mar 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2010 | - | |
| Mar 1, 2010 | Mar 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2010 | - | |
| Mar 1, 2010 | Mar 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2010 | - | |
| Mar 1, 2010 | Mar 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2010 | - | |
| Mar 1, 2010 | Mar 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2010 | - | |
| Jan 1, 2010 | Mar 31, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2010 | - | |
| Jan 1, 2010 | Mar 31, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2010 | - | |
| Jan 1, 2010 | Mar 31, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2010 | - | |
| Jan 1, 2010 | Mar 31, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2010 | - | |
| Jan 1, 2010 | Mar 31, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2010 | - | |
| May 1, 2008 | May 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| May 1, 2008 | May 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| May 1, 2008 | May 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| May 1, 2008 | May 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 12, 2008 | - | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 12, 2008 | - | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 12, 2008 | - | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 12, 2008 | - | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1995 | - | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1995 | - | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1995 | - | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1995 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Apr 1, 1995 | Apr 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1995 | - | |
| Apr 1, 1995 | Apr 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1995 | - | |
| Apr 1, 1995 | Apr 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1995 | - | |
| Apr 1, 1995 | Apr 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1995 | - | |
| - | - | - | 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.