Hillsboro Waterworks
PWSID: WI6630257
System Details
| Population Served | 1,325 |
| Service Connections | 661 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Hillsboro |
| Zip Code | 54634 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Copper (90th percentile) | 1.8400 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 1.7800 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Copper (90th percentile) | 1.4500 mg/L | 1.300 mg/L | EXCEEDS Action Level |
| Lead (90th percentile) | 0.0070 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0054 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0053 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0051 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0050 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0042 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0040 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0039 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0038 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) | 0.0028 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0022 mg/L | 0.015 mg/L | Below Action Level |
Violation History (22 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2023-07-01 | | Returned to Compliance |
| | 2023-07-01 | | Returned to Compliance |
| | 2023-07-01 | | Returned to Compliance |
| | 2023-07-01 | | Returned to Compliance |
| | 2023-03-11 | Yes | Returned to Compliance |
| | 2023-03-11 | Yes | Returned to Compliance |
| | 2023-03-11 | Yes | Returned to Compliance |
| | 2021-09-17 | Yes | Returned to Compliance |
| | 2019-07-01 | Yes | Returned to Compliance |
| | 2019-06-02 | Yes | Returned to Compliance |
| | 2019-06-02 | Yes | Returned to Compliance |
| | 2019-06-02 | Yes | Returned to Compliance |
| | 2019-06-02 | Yes | Returned to Compliance |
| | 2019-06-02 | Yes | Returned to Compliance |
| | 2019-06-02 | | Returned to Compliance |
| | 2019-06-02 | | Returned to Compliance |
| | 2019-06-02 | | Returned to Compliance |
| | 2019-06-02 | | Returned to Compliance |
| | 2019-06-02 | | Returned to Compliance |
| | 2019-06-01 | | Returned to Compliance |
| | 2019-04-06 | | Returned to Compliance |
| | 2017-06-01 | | Returned to Compliance |