BRENTWOOD
California - Community Water System - PWSID: CA0710004
System Information
| PWSID | CA0710004 |
| System Name | BRENTWOOD |
| 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 | BRENTWOOD |
| ZIP Code | 94513-7344 |
| Address | 2201 ELKINS WAY |
| Organization | WOLFE, JAMES |
| Phone | 925-516-6025 |
Population & Service
| Population Served | 64,513 |
| Service Connections | 21,441 |
Drinking Water Violations (41)
This water system has 41 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, 2007 | Feb 28, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2007 | - | |
| Feb 1, 2007 | Feb 28, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2007 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2005 | - | |
| Mar 1, 2000 | Mar 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2000 | - | |
| Mar 1, 2000 | Mar 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2000 | - | |
| Jan 1, 2000 | Jan 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2000 | - | |
| Jan 1, 2000 | Jan 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2000 | - | |
| Dec 1, 1996 | Dec 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1996 | - | |
| Dec 1, 1996 | Dec 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1996 | - | |
| Jun 1, 1996 | Jun 30, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1996 | - | |
| Jun 1, 1996 | Jun 30, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1996 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Nov 1, 1995 | Nov 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1995 | - | |
| Nov 1, 1995 | Nov 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1995 | - | |
| Oct 1, 1993 | Oct 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 1993 | - | |
| Oct 1, 1993 | Oct 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 1993 | - | |
| Feb 1, 1993 | Feb 28, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1993 | - | |
| Feb 1, 1993 | Feb 28, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1993 | - | |
| Feb 1, 1993 | Feb 28, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1993 | - | |
| Oct 1, 1992 | Nov 30, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1992 | - | |
| Oct 1, 1992 | Nov 30, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1992 | - | |
| Jan 1, 1992 | Jan 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1992 | - | |
| Jan 1, 1992 | Jan 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1992 | - | |
| Jan 1, 1992 | Jan 31, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1992 | - | |
| Jan 1, 1991 | Dec 1, 1992 | MCL | Yes | No | 95 MG/L | 10 mg/L | 45 | Resolved | Dec 1, 1992 | - | |
| Jan 1, 1991 | Dec 1, 1992 | MCL | Yes | No | 95 MG/L | 10 mg/L | 45 | Resolved | Dec 1, 1992 | - | |
| Nov 1, 1989 | Nov 30, 1989 | Other | No | No | - | - | - | Archived | Nov 30, 1989 | - | |
| Feb 1, 1984 | Feb 29, 1984 | MCL | Yes | No | - | 10 mg/L | - | Archived | Feb 29, 1984 | - | |
| Jan 1, 1984 | Jan 31, 1984 | MCL | Yes | No | - | 10 mg/L | - | Archived | Jan 31, 1984 | - | |
| Jul 1, 1983 | Jul 31, 1983 | MCL | Yes | No | - | 10 mg/L | - | Archived | Jul 31, 1983 | - | |
| Oct 1, 1982 | Oct 31, 1982 | MCL | Yes | No | - | 10 mg/L | - | Archived | Oct 31, 1982 | - | |
| Jul 1, 1982 | Sep 30, 1982 | MCL | Yes | No | 45.4 | 10 mg/L | - | Archived | Sep 30, 1982 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.