RANCHO PAUMA MUTUAL WC
California - Community Water System - PWSID: CA3710012
System Information
| PWSID | CA3710012 |
| System Name | RANCHO PAUMA MUTUAL WC |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 25, 1988 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | PAUMA VALLEY |
| ZIP Code | 92061 |
| Address | 33129 Cole Grade Road |
| Organization | WATKINS, AMBER |
| Phone | 760-615-4050 |
Population & Service
| Population Served | 899 |
| Service Connections | 387 |
Drinking Water Violations (26)
This water system has 26 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2004 | Jan 31, 2004 | MR | No | No | - | 10 mg/L | - | Resolved | Jan 31, 2004 | - | |
| Jan 1, 2004 | Jan 31, 2004 | MR | No | No | - | 10 mg/L | - | Resolved | Jan 31, 2004 | - | |
| Nov 1, 2003 | Nov 30, 2003 | MR | No | No | - | 10 mg/L | - | Resolved | Nov 30, 2003 | - | |
| Nov 1, 2003 | Nov 30, 2003 | MR | No | No | - | 10 mg/L | - | Resolved | Nov 30, 2003 | - | |
| Nov 1, 2002 | Nov 30, 2002 | MCL | Yes | No | 58.5 MG/L | 10 mg/L | 45 | Resolved | Nov 30, 2002 | - | |
| Nov 1, 2002 | Nov 30, 2002 | MCL | Yes | No | 58.5 MG/L | 10 mg/L | 45 | Resolved | Nov 30, 2002 | - | |
| Nov 1, 2002 | Nov 30, 2002 | MCL | Yes | No | 58.5 MG/L | 10 mg/L | 45 | Resolved | Nov 30, 2002 | - | |
| Nov 1, 2002 | Nov 30, 2002 | MCL | Yes | No | 62 MG/L | 10 mg/L | 45 | Resolved | Nov 30, 2002 | - | |
| Nov 1, 2002 | Nov 30, 2002 | MCL | Yes | No | 62 MG/L | 10 mg/L | 45 | Resolved | Nov 30, 2002 | - | |
| Nov 1, 2002 | Nov 30, 2002 | MCL | Yes | No | 62 MG/L | 10 mg/L | 45 | Resolved | Nov 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | Other | No | No | - | - | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | Other | No | No | - | - | - | Resolved | Sep 30, 2002 | - | |
| Jan 1, 2002 | Jan 31, 2002 | MCL | Yes | No | 61.5 MG/L | 10 mg/L | 45 | Resolved | Jan 31, 2002 | - | |
| Jan 1, 2002 | Jan 31, 2002 | MCL | Yes | No | 61.5 MG/L | 10 mg/L | 45 | Resolved | Jan 31, 2002 | - | |
| Jan 1, 2002 | Jan 31, 2002 | MCL | Yes | No | 61.5 MG/L | 10 mg/L | 45 | Resolved | Jan 31, 2002 | - | |
| Jan 1, 2000 | Dec 31, 2001 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 2000 | Dec 31, 2001 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 2000 | Dec 31, 2001 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 2000 | Dec 31, 2001 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 2000 | Dec 31, 2001 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2001 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 5, 1995 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 5, 1995 | - | |
| Jul 1, 1994 | Jul 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1994 | - | |
| Jul 1, 1994 | Jul 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1994 | - | |
| Jul 1, 1993 | Mar 1, 2000 | MR | No | No | - | TT | - | Resolved | Mar 1, 2000 | - | |
| Oct 1, 1989 | Oct 31, 1989 | Other | No | No | - | - | - | Archived | Oct 31, 1989 | - |
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.