Four Corners Elementary School
PWSID: WI8160487
System Details
| Population Served | 300 |
| Service Connections | 1 |
| Water Source | Groundwater |
| System Type | Non-Transient Non-Community |
| Owner | Local Government |
| Status | Active |
| City | Superior |
| Zip Code | 54880-2907 |
| Note | School or Daycare |
Areas Served
- Superior, Douglas County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|---|---|---|
| Lead (90th percentile) | 0.0037 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0022 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0019 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0003 mg/L | 0.015 mg/L | Below Action Level |
Violation History (5 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|---|---|---|---|
| 2025-04-01 | Major | Acknowledged | ||
| 2025-04-01 | Major | Returned to Compliance | ||
| 2023-01-01 | Returned to Compliance | |||
| 2023-01-01 | Returned to Compliance | |||
| 1993-07-01 | Returned to Compliance |