St. Helena, City of
PWSID: CA2810004
System Details
| Population Served | 5,386 |
| Service Connections | 2,551 |
| Water Source | Surface Water |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | St. Helena |
| Zip Code | 94574 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| 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 |
| 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 |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2022-10-01 | | Open |
Violation History (28 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2023-07-01 | 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 |
| | 2022-10-01 | Yes | Acknowledged |
| | 2022-07-01 | Yes | Acknowledged |
| | 2022-04-01 | Yes | Acknowledged |
| | 2021-01-01 | Yes | Acknowledged |
| | 2021-01-01 | Yes | Acknowledged |
| | 2021-01-01 | Yes | Acknowledged |
| | 2021-01-01 | Yes | Acknowledged |
| | 2021-01-01 | Yes | Acknowledged |
| | 2020-11-01 | Yes | Returned to Compliance |
| | 2020-11-01 | Yes | Returned to Compliance |
| | 2020-10-01 | Yes | Acknowledged |
| | 2020-10-01 | Yes | Acknowledged |
| | 2017-01-01 | Yes | Returned to Compliance |
| | 2017-01-01 | Yes | Returned to Compliance |
| | 2016-10-01 | Yes | Returned to Compliance |
| | 2016-10-01 | Yes | Returned to Compliance |
| | 2016-07-01 | Yes | Returned to Compliance |
| | 2016-07-01 | Yes | Returned to Compliance |