CITY OF EAST PALO ALTO
California — Community Water System — PWSID: CA4110024
System Information
| PWSID | CA4110024 |
| System Name | CITY OF EAST PALO ALTO |
| 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 | EAST PALO ALTO |
| ZIP Code | 94303 |
| Address | 901 Weeks St. |
| Organization | VINING, MATTHEW |
| Phone | 650-229-3818 |
Population & Service
| Population Served | 29,519 |
| Service Connections | 3,906 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 1, 2015 | Mar 31, 2015 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2015 | — | |
| Mar 1, 2015 | Mar 31, 2015 | TT | Yes | No | — | — | — | Resolved | Mar 31, 2015 | — | |
| Jun 1, 2014 | Jun 30, 2014 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2014 | — | |
| Jun 1, 2014 | Jun 30, 2014 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2014 | — | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | — | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2005 | — | |
| Sep 1, 2005 | Sep 30, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2005 | — | |
| Sep 1, 2005 | Sep 30, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2005 | — | |
| Aug 1, 1999 | Aug 31, 1999 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 1999 | — | |
| Aug 1, 1999 | Aug 31, 1999 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 1999 | — | |
| Sep 1, 1998 | Sep 30, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1998 | — | |
| Sep 1, 1998 | Sep 30, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1998 | — | |
| Sep 1, 1996 | Sep 30, 1996 | Other | No | No | — | 5% of samples | — | Resolved | Sep 30, 1996 | — | |
| Sep 1, 1996 | Sep 30, 1996 | Other | No | No | — | 5% of samples | — | Resolved | Sep 30, 1996 | — | |
| Sep 1, 1996 | Sep 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1996 | — | |
| Sep 1, 1996 | Sep 30, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1996 | — | |
| Jun 1, 1996 | Jun 30, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1996 | — | |
| Jun 1, 1996 | Jun 30, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1996 | — | |
| Jun 30, 1993 | Mar 1, 2000 | MR | No | No | — | TT | — | Resolved | Mar 1, 2000 | — | |
| Nov 1, 1988 | Nov 30, 1988 | Other | No | No | — | — | — | Archived | Nov 30, 1988 | — | |
| — | — | — | 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.