LAS FLORES WATER CO.
California — Community Water System — PWSID: CA1910061
System Information
| PWSID | CA1910061 |
| System Name | LAS FLORES WATER CO. |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | ALTADENA |
| ZIP Code | 91001 |
| Address | 428 E. SACRAMENTO ST. |
| Organization | KIMBERLING, WILLIAM |
| Phone | 626-797-1138 |
Population & Service
| Population Served | 4,847 |
| Service Connections | 1,479 |
Drinking Water Violations (11)
This water system has 11 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 10, 2014 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Aug 10, 2014 | Ground Water Rule |
| Jul 10, 2014 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Aug 10, 2014 | Ground Water Rule |
| Jul 1, 2010 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Jul 10, 2010 | Ground Water Rule |
| Jul 1, 2010 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Jul 10, 2010 | Ground Water Rule |
| Jul 1, 2007 | Jul 31, 2007 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2007 | Total Coliform Rule |
| Jul 1, 2007 | Jul 31, 2007 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2007 | Total Coliform Rule |
| Aug 1, 1997 | Aug 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 1997 | Total Coliform Rule |
| Aug 1, 1997 | Aug 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 1997 | Total Coliform Rule |
| Aug 1, 1997 | Aug 31, 1997 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1997 | Total Coliform Rule |
| Aug 1, 1997 | Aug 31, 1997 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1997 | Total Coliform Rule |
| Nov 1, 1982 | Nov 30, 1982 | Other | No | No | — | — | — | Archived | Nov 30, 1982 | Miscellaneous Other Rules |
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.