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 | Dec 17, 2025 |
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 (10)
This water system has 10 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 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 22, 2011 | Consumer Confidence Rule |
| Oct 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 22, 2011 | Consumer Confidence Rule |
| Jul 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 22, 2011 | Consumer Confidence Rule |
| Jul 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 22, 2011 | Consumer Confidence Rule |
| Jul 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 22, 2011 | Consumer Confidence Rule |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | Total Coliform Rule |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | Total Coliform Rule |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | Total Coliform Rule |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | Total Coliform Rule |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | 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.