RANCHO ROBLES MUTUAL WATER COMPANY
California - Community Water System - PWSID: CA4300577
System Information
| PWSID | CA4300577 |
| System Name | RANCHO ROBLES MUTUAL WATER COMPANY |
| 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 | Nov 30, 1981 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | SAN MARTIN |
| ZIP Code | 95046 |
| Address | 2760 Paseo Robles Ave |
| Organization | MERRELL, BRANDON |
| Phone | 831-419-2103 |
Population & Service
| Population Served | 103 |
| Service Connections | 37 |
Drinking Water Violations (20)
This water system has 20 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 1, 2000 | Jul 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2000 | - | |
| Jul 1, 2000 | Jul 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2000 | - | |
| Mar 1, 1998 | Mar 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1998 | - | |
| Mar 1, 1998 | Mar 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1998 | - | |
| Apr 1, 1997 | Apr 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1997 | - | |
| Apr 1, 1997 | Apr 30, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1997 | - | |
| Mar 1, 1997 | Mar 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 1997 | - | |
| Mar 1, 1997 | Mar 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 1997 | - | |
| Sep 1, 1984 | Sep 30, 1984 | Other | No | No | - | - | - | Archived | Sep 30, 1984 | - | |
| Aug 1, 1984 | Aug 31, 1984 | Other | No | No | - | - | - | Archived | Aug 31, 1984 | - | |
| Jul 1, 1984 | Jul 31, 1984 | Other | No | No | - | - | - | Archived | Jul 31, 1984 | - | |
| May 1, 1984 | May 31, 1984 | Other | No | No | - | - | - | Archived | May 31, 1984 | - | |
| May 1, 1984 | May 31, 1984 | MCL | Yes | No | - | 10 mg/L | - | Archived | May 31, 1984 | - | |
| Feb 1, 1984 | Feb 29, 1984 | MCL | Yes | No | - | 10 mg/L | - | Archived | Feb 29, 1984 | - | |
| Feb 1, 1984 | Feb 29, 1984 | Other | No | No | - | - | - | Archived | Feb 29, 1984 | - | |
| Dec 1, 1982 | Dec 31, 1982 | Other | No | No | - | - | - | Archived | Dec 31, 1982 | - | |
| Nov 1, 1982 | Nov 30, 1982 | Other | No | No | - | - | - | Archived | Nov 30, 1982 | - | |
| Oct 1, 1982 | Oct 31, 1982 | Other | No | No | - | - | - | Archived | Oct 31, 1982 | - | |
| 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 | - |
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.