Jefferson Water Department
PWSID: IA3742004
System Details
| Population Served | 4,182 |
| Service Connections | 2,080 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Jefferson |
| Zip Code | 50129 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Copper (90th percentile) | 1.4100 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0013 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0012 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0012 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0010 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0008 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
Violation History (3 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2020-04-01 | Major | Returned to Compliance |
| | 2020-04-01 | Major | Returned to Compliance |
| | 2019-04-01 | Major | Returned to Compliance |