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 | Mar 20, 2026 |
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 (14)
This water system has 14 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 | — | |
| Jan 1, 2006 | Jan 1, 2010 | Other | No | No | — | — | — | Resolved | Jan 1, 2010 | — | |
| Dec 1, 2003 | Dec 31, 2003 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | — | |
| Dec 1, 2003 | Dec 31, 2003 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | — | |
| 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 | — | |
| Sep 1, 1993 | Sep 30, 1993 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | — | |
| Sep 1, 1993 | Sep 30, 1993 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1993 | — | |
| Jan 1, 1989 | Jan 31, 1989 | Other | No | No | — | — | — | Archived | Jan 31, 1989 | — | |
| — | — | — | 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.