WAUNAKEE WATERWORKS
Wisconsin — Community Water System — PWSID: WI1130265
System Information
| PWSID | WI1130265 |
| System Name | WAUNAKEE 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 | WAUNAKEE |
| ZIP Code | 53597 |
| Address | 500 W MAIN ST |
| Organization | ENDRES, KARLA - VILLAGE CLERK |
| Phone | — |
Population & Service
| Population Served | 14,879 |
| Service Connections | 5,510 |
Drinking Water Violations (20)
This water system has 20 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, 2024 | Dec 31, 2024 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 | Dec 31, 2024 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 | Dec 31, 2024 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 | Dec 31, 2024 | TTHM | MR | No | No | — | 0.080 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 | Dec 31, 2024 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 | Dec 31, 2024 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 | Dec 31, 2024 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 | Dec 31, 2024 | Total Haloacetic Acids (HAA5) | MR | No | No | — | 0.060 mg/L | — | Resolved | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Feb 1, 2022 | Feb 28, 2022 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Feb 28, 2022 | Revised Total Coliform Rule |
| Feb 1, 2022 | Feb 28, 2022 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Feb 28, 2022 | Revised Total Coliform Rule |
| Feb 1, 2022 | Feb 28, 2022 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Feb 28, 2022 | Revised Total Coliform Rule |
| Feb 1, 2022 | Feb 28, 2022 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Feb 28, 2022 | Revised Total Coliform Rule |
| Sep 1, 2009 | Sep 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2009 | Total Coliform Rule |
| Sep 1, 2009 | Sep 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2009 | Total Coliform Rule |
| Sep 1, 2009 | Sep 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2009 | Total Coliform Rule |
| Sep 1, 2009 | Sep 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2009 | Total Coliform Rule |
| Sep 1, 2009 | Sep 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2009 | Total Coliform Rule |
| Jul 1, 2009 | Sep 30, 2009 | Chlorine | MR | No | No | — | 4.0 mg/L | — | Resolved | Sep 30, 2009 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2009 | Sep 30, 2009 | Chlorine | MR | No | No | — | 4.0 mg/L | — | Resolved | Sep 30, 2009 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2009 | Sep 30, 2009 | Chlorine | MR | No | No | — | 4.0 mg/L | — | Resolved | Sep 30, 2009 | Stage 1 Disinfectants and Disinfection Byproducts 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.