SAUK CITY WATERWORKS
Wisconsin — Community Water System — PWSID: WI1570105
System Information
| PWSID | WI1570105 |
| System Name | SAUK CITY 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 | Sauk City |
| ZIP Code | 53583-1449 |
| Address | 726 WATER ST |
| Organization | SAUK CITY VILLAGE CLERK - HEIDI KOCH |
| Phone | — |
Population & Service
| Population Served | 3,518 |
| Service Connections | 1,545 |
Drinking Water Violations (6)
This water system has 6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2024 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 9, 2024 | Consumer Confidence Rule |
| Dec 1, 1993 | Dec 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1993 | Total Coliform Rule |
| Dec 1, 1993 | Dec 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1993 | Total Coliform Rule |
| Dec 1, 1993 | Dec 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1993 | Total Coliform Rule |
| Dec 1, 1993 | Dec 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1993 | Total Coliform Rule |
| Mar 1, 1991 | Mar 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Mar 31, 1991 | 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.