ROCKFIELD SCHOOL
Wisconsin — Non-Transient Non-Community — PWSID: WI2670332
System Information
| PWSID | WI2670332 |
| System Name | ROCKFIELD SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Jan 28, 1981 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Wisconsin |
| City | GERMANTOWN |
| ZIP Code | 53022 |
| Address | N104 W13840 DONGES BAY RD |
| Organization | GERMANTOWN SCHOOL DISTRICT |
| Phone | — |
Population & Service
| Population Served | 375 |
| Service Connections | 1 |
Drinking Water Violations (25)
This water system has 25 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, 2025 | Dec 31, 2025 | MON | No | Yes | — | — | — | Archived | Dec 31, 2025 | — | |
| Jul 1, 2024 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Apr 1, 2024 | Jun 30, 2024 | MON | No | Yes | — | — | — | Archived | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MON | No | Yes | — | — | — | Archived | Jun 30, 2024 | — | |
| Jan 1, 2024 | — | Other | No | No | — | — | — | Resolved | Jun 6, 2025 | — | |
| Jan 1, 2024 | — | Other | No | No | — | — | — | Resolved | Jun 6, 2025 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Jan 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Dec 12, 2024 | — | |
| Jan 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Dec 12, 2024 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2022 | — | |
| Oct 1, 2001 | Dec 31, 2001 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Jul 1, 2001 | Sep 30, 2001 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2001 | — | |
| Apr 1, 2001 | Jun 30, 2001 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 2001 | — | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 1995 | — | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 1995 | — | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1994 | — | |
| Jul 1, 1993 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 1993 | — | |
| Jul 1, 1993 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 1993 | — | |
| Jul 1, 1993 | Jan 25, 1994 | MR | No | No | — | TT | — | Resolved | Jan 25, 1994 | — |
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.