SISTER BAY WATERWORKS
Wisconsin — Community Water System — PWSID: WI4150510
System Information
| PWSID | WI4150510 |
| System Name | SISTER BAY 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 | SISTER BAY |
| ZIP Code | 54234 |
| Address | 2385 MAPLE DR |
| Organization | SISTER BAY VIL CLERK - HEIDI TEICH |
| Phone | — |
Population & Service
| Population Served | 1,000 |
| Service Connections | 1,507 |
Drinking Water Violations (9)
This water system has 9 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, 2015 | — | Other | No | No | — | — | — | Resolved | Jul 21, 2015 | — | |
| Jul 1, 2015 | — | Other | No | No | — | — | — | Resolved | Jul 21, 2015 | — | |
| Jul 1, 2001 | — | Other | No | No | — | — | — | Resolved | Jul 26, 2001 | — | |
| May 1, 1995 | May 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1995 | — | |
| May 1, 1995 | May 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1995 | — | |
| May 1, 1995 | May 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1995 | — | |
| May 1, 1995 | May 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1995 | — | |
| — | — | — | 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.