TRES PINOS CWD
California - Community Water System - PWSID: CA3500509
System Information
| PWSID | CA3500509 |
| System Name | TRES PINOS CWD |
| 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 | TRES PINOS |
| ZIP Code | 95075 |
| Address | PO Box 1001 |
| Organization | FEHL, MARIA |
| Phone | 831-628-3319 |
Population & Service
| Population Served | 350 |
| Service Connections | 121 |
Drinking Water Violations (34)
This water system has 34 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, 2007 | Jun 30, 2007 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2007 | - | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2007 | - | |
| Aug 1, 2005 | Aug 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2005 | - | |
| Aug 1, 2005 | Aug 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2005 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2004 | - | |
| Jan 1, 2004 | Mar 31, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2004 | - | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2001 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Aug 1, 1996 | Aug 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1996 | - | |
| Mar 1, 1996 | Mar 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 1996 | - | |
| Mar 1, 1996 | Mar 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 1996 | - | |
| Mar 1, 1996 | Mar 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 1996 | - | |
| Mar 1, 1996 | Mar 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 1996 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Apr 1, 1995 | Apr 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1995 | - | |
| Apr 1, 1995 | Apr 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1995 | - | |
| Apr 1, 1995 | Apr 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1995 | - | |
| Apr 1, 1995 | Apr 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1995 | - | |
| Jun 1, 1994 | Jun 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1994 | - | |
| Jun 1, 1994 | Jun 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1994 | - | |
| Jun 1, 1994 | Jun 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1994 | - | |
| Jun 1, 1994 | Jun 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1994 | - | |
| Oct 1, 1981 | Sep 30, 1982 | MR | No | Yes | - | 15 pCi/L | - | Archived | Sep 30, 1982 | - | |
| Oct 30, 1980 | Oct 29, 1981 | MR | No | Yes | - | 15 pCi/L | - | Archived | Oct 29, 1981 | - | |
| - | - | - | 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.