TOMAHAWK WATERWORKS
Wisconsin — Community Water System — PWSID: WI7350127
System Information
| PWSID | WI7350127 |
| System Name | TOMAHAWK 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 | Tomahawk |
| ZIP Code | 54487 |
| Address | CITY HALL - 23 N 2ND ST |
| Organization | TOMAHAWK CITY CLERK- AMANDA L BARTZ |
| Phone | — |
Population & Service
| Population Served | 3,180 |
| Service Connections | 1,500 |
Drinking Water Violations (29)
This water system has 29 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 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Unaddressed | — | — | |
| Oct 1, 2012 | — | Other | No | No | — | — | — | Resolved | Nov 20, 2012 | — | |
| Oct 1, 2012 | — | Other | No | No | — | — | — | Resolved | Nov 20, 2012 | — | |
| Jul 1, 2012 | — | Other | No | No | — | — | — | Resolved | Sep 10, 2012 | — | |
| Oct 1, 2010 | — | Other | No | No | — | — | — | Resolved | Nov 22, 2011 | — | |
| Oct 1, 2010 | — | Other | No | No | — | — | — | Resolved | Nov 22, 2011 | — | |
| Oct 1, 2010 | — | Other | No | No | — | — | — | Resolved | Nov 22, 2011 | — | |
| Oct 1, 2010 | — | Other | No | No | — | — | — | Resolved | Nov 22, 2011 | — | |
| Jul 1, 2010 | — | Other | No | No | — | — | — | Resolved | Nov 22, 2011 | — | |
| Jul 1, 2010 | — | Other | No | No | — | — | — | Resolved | Nov 22, 2011 | — | |
| Jul 1, 2010 | — | Other | No | No | — | — | — | Resolved | Nov 22, 2011 | — | |
| Jul 1, 2010 | — | Other | No | No | — | — | — | Resolved | Nov 22, 2011 | — | |
| Jul 1, 2002 | — | Other | No | No | — | — | — | Resolved | Aug 2, 2002 | — | |
| Jul 1, 2002 | — | Other | No | No | — | — | — | Resolved | Aug 2, 2002 | — | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 23, 2002 | — | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 23, 2002 | — | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 23, 2002 | — | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 23, 2002 | — | |
| May 1, 2002 | May 31, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 23, 2002 | — | |
| Oct 1, 1993 | Oct 31, 1993 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | — | |
| Oct 1, 1993 | Oct 31, 1993 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | — | |
| Oct 1, 1993 | Oct 31, 1993 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | — | |
| Oct 1, 1993 | Oct 31, 1993 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | — | |
| Oct 1, 1993 | Oct 31, 1993 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.