Jefferson Waterworks
PWSID: WI1280104
System Details
| Population Served | 7,926 |
| Service Connections | 3,072 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Jefferson |
| Zip Code | 54549-1772 |
Areas Served
- Jefferson, Jefferson County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0038 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0035 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0032 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0024 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0024 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2010-05-10 | | Open |
Violation History (48 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-10-01 | | Returned to Compliance |
| | 2024-07-01 | Yes | Acknowledged |
| | 2024-04-01 | Yes | Acknowledged |
| | 2024-04-01 | Yes | Acknowledged |
| | 2024-01-01 | Yes | Acknowledged |
| | 2024-01-01 | Yes | Acknowledged |
| | 2024-01-01 | Yes | Acknowledged |
| | 2024-01-01 | Yes | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | | Acknowledged |
| | 2023-10-01 | Yes | Acknowledged |
| | 2023-10-01 | Yes | Acknowledged |
| | 2023-07-01 | Yes | Acknowledged |
| | 2023-07-01 | Yes | Acknowledged |
| | 2023-04-01 | Yes | Acknowledged |
| | 2023-04-01 | Yes | Acknowledged |
| | 2023-04-01 | Yes | Acknowledged |
| | 2023-01-01 | Yes | Acknowledged |
| | 2023-01-01 | Yes | Acknowledged |
| | 2023-01-01 | Yes | Acknowledged |
| | 2023-01-01 | Yes | Acknowledged |
| | 2022-10-01 | Yes | Acknowledged |
| | 2022-10-01 | Yes | Acknowledged |
| | 2022-10-01 | Yes | Acknowledged |
| | 2022-10-01 | Yes | Acknowledged |
| | 1993-01-01 | Yes | Returned to Compliance |