RAINBOW MUNICIPAL WD
California — Community Water System — PWSID: CA3710016
System Information
| PWSID | CA3710016 |
| System Name | RAINBOW MUNICIPAL WD |
| 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 | Nov 17, 2025 |
Location & Contact
| State | California |
| City | FALLBROOK |
| ZIP Code | 92028 |
| Address | 3707 Old Highway 395 |
| Organization | WILEY, JAKE |
| Phone | 760-728-1178 |
Population & Service
| Population Served | 23,536 |
| Service Connections | 8,923 |
Drinking Water Violations (12)
This water system has 12 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, 2006 | Jan 1, 2010 | Other | No | No | — | — | — | Resolved | Jan 1, 2010 | Miscellaneous Other Rules | |
| Jan 1, 2006 | Jan 1, 2010 | Other | No | No | — | — | — | Resolved | Jan 1, 2010 | Miscellaneous Other Rules | |
| Dec 1, 2003 | Dec 31, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | Total Coliform Rule |
| Dec 1, 2003 | Dec 31, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | Total Coliform Rule |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | Total Coliform Rule |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | Total Coliform Rule |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | Total Coliform Rule |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | Total Coliform Rule |
| Jan 1, 1989 | Jan 31, 1989 | Other | No | No | — | — | — | Archived | Jan 31, 1989 | Miscellaneous Other Rules | |
| — | — | — | 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.