Three Lakes Sanitary District
PWSID: WI7440129
System Details
| Population Served | 500 |
| Service Connections | 283 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Three Lakes |
| Zip Code | 54562-0325 |
Areas Served
- Three Lakes, Oneida County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0112 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0037 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0024 mg/L | 0.015 mg/L | Below Action Level |
2 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-10-17 | | Open |
| | 2024-10-17 | | Open |
Violation History (15 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | | Returned to Compliance |
| | 2025-03-01 | Major | Returned to Compliance |
| | 2025-01-16 | Yes | Returned to Compliance |
| | 2024-10-17 | | Returned to Compliance |
| | 2024-10-17 | Yes | Returned to Compliance |
| | 2024-01-01 | | Returned to Compliance |
| | 2024-01-01 | | Returned to Compliance |
| | 2022-12-01 | Major | Returned to Compliance |
| | 2022-12-01 | Major | Returned to Compliance |
| | 2022-12-01 | Major | Returned to Compliance |
| | 2022-11-01 | | Returned to Compliance |
| | 2022-11-01 | | Returned to Compliance |
| | 2021-02-01 | | Returned to Compliance |