Signal Hill - City, Water Dept.
PWSID: CA1910149
System Details
| Population Served | 11,848 |
| Service Connections | 3,035 |
| Water Source | Surface Water Purchased |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Signal Hill |
| Zip Code | 90755 |
Areas Served
- Signal Hill, Los Angeles County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0066 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0058 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0041 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0036 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0029 mg/L | 0.015 mg/L | Below Action Level |
2 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2023-07-01 | | Open |
| | 2023-06-01 | | Open |
Violation History (13 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-04-01 | Yes | Returned to Compliance |
| | 2025-04-01 | Yes | Returned to Compliance |
| | 2025-03-01 | Yes | Returned to Compliance |
| | 2025-02-01 | Yes | Returned to Compliance |
| | 2022-05-01 | Yes | Acknowledged |
| | 2022-05-01 | Yes | Returned to Compliance |
| | 2022-05-01 | Yes | Acknowledged |
| | 2022-05-01 | Yes | Returned to Compliance |
| | 2022-03-01 | Yes | Acknowledged |
| | 2022-03-01 | Yes | Returned to Compliance |
| | 2022-03-01 | Yes | Returned to Compliance |