DOWNEY - CITY, WATER DEPT.
California - Community Water System - PWSID: CA1910034
System Information
| PWSID | CA1910034 |
| System Name | DOWNEY - CITY, WATER DEPT. |
| System Type | Community Water System |
| Water Source | Ground Water |
| 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 | DOWNEY |
| ZIP Code | 90241 |
| Address | 11111 Brookshire Ave. |
| Organization | MUELLER, DAN |
| Phone | 562-904-7110 |
Population & Service
| Population Served | 110,556 |
| Service Connections | 23,459 |
Drinking Water Violations (16)
This water system has 16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 2018 | - | TT | Yes | No | - | - | - | Resolved | Sep 18, 2018 | - | |
| Feb 1, 2018 | - | TT | Yes | No | - | - | - | Resolved | Sep 18, 2018 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Sep 1, 2013 | Sep 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| May 24, 2012 | - | MR | No | Yes | - | - | - | Resolved | Jul 1, 2013 | - | |
| May 24, 2012 | - | MR | No | Yes | - | - | - | Resolved | Jul 1, 2013 | - | |
| May 24, 2012 | - | MR | No | Yes | - | - | - | Resolved | Jul 1, 2013 | - | |
| Sep 1, 2008 | Sep 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Sep 1, 2008 | Sep 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2003 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2003 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.