Holliston Water Department
PWSID: MA2136000
System Details
| Population Served | 15,713 |
| Service Connections | 5,002 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Holliston |
| Zip Code | 01746 |
Areas Served
- Holliston, Middlesex County, 01746
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0029 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0029 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0026 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0014 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
2 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-10-01 | | Open |
| | 2023-04-01 | | Open |
Violation History (231 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2023-04-01 | | Returned to Compliance |
| | 2023-04-01 | | Returned to Compliance |
| | 2023-04-01 | | Returned to Compliance |
| | 2023-04-01 | | Returned to Compliance |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-04-01 | Major | Returned to Compliance |
| | 2023-01-01 | | Returned to Compliance |
| | 2023-01-01 | | Returned to Compliance |
| | 2023-01-01 | | Returned to Compliance |
| | 2023-01-01 | | Returned to Compliance |
| | 2023-01-01 | | Returned to Compliance |
| | 2023-01-01 | | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2023-01-01 | Major | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Acknowledged |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Acknowledged |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Acknowledged |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Acknowledged |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Acknowledged |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Acknowledged |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Acknowledged |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
| | 2022-10-01 | | Returned to Compliance |
Showing 50 of 229 historical violations.