SIGNAL HILL - CITY, WATER DEPT.
California - Community Water System - PWSID: CA1910149
System Information
| PWSID | CA1910149 |
| System Name | SIGNAL HILL - CITY, WATER DEPT. |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | SIGNAL HILL |
| ZIP Code | 90755 |
| Address | 2175 E. 28TH STREET |
| Organization | LUNA, GABINO |
| Phone | 562-989-7300 |
Population & Service
| Population Served | 11,848 |
| Service Connections | 3,035 |
Drinking Water Violations (23)
This water system has 23 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2025 | Apr 30, 2025 | TT | Yes | No | - | - | - | Resolved | Apr 30, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | TT | Yes | No | - | - | - | Resolved | Apr 30, 2025 | - | |
| Mar 1, 2025 | Mar 31, 2025 | TT | Yes | No | - | - | - | Resolved | Mar 31, 2025 | - | |
| Mar 1, 2025 | Mar 31, 2025 | TT | Yes | No | - | - | - | Resolved | Mar 31, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | TT | Yes | No | - | - | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | TT | Yes | No | - | - | - | Resolved | Feb 28, 2025 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Sep 5, 2024 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Sep 5, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 6, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 6, 2023 | - | |
| May 1, 2022 | May 31, 2022 | TT | Yes | No | - | - | - | Resolved | May 31, 2022 | - | |
| May 1, 2022 | May 31, 2022 | TT | Yes | No | - | - | - | Resolved | May 31, 2022 | - | |
| Mar 1, 2022 | Mar 31, 2022 | TT | Yes | No | - | - | - | Resolved | Mar 31, 2022 | - | |
| Mar 1, 2022 | Mar 31, 2022 | TT | Yes | No | - | - | - | Resolved | Mar 31, 2022 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Jun 1, 1993 | Aug 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1993 | - | |
| Jun 1, 1993 | Aug 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1993 | - | |
| Jun 1, 1993 | Aug 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1993 | - | |
| Feb 1, 1989 | Feb 28, 1989 | Other | No | No | - | - | - | Archived | Feb 28, 1989 | - | |
| - | - | - | No | No | - | - | - | - | - | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.