MOON VALLEY WATER SYSTEM
California - Community Water System - PWSID: CA4900871
System Information
| PWSID | CA4900871 |
| System Name | MOON VALLEY WATER SYSTEM |
| 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 | Mar 28, 1986 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | SONOMA |
| ZIP Code | 95476 |
| Address | 1001 Fifth Street West |
| Organization | PERRY, LINDA |
| Phone | 707-996-2818 |
Population & Service
| Population Served | 691 |
| Service Connections | 247 |
Drinking Water Violations (4)
This water system has 4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2007 | Nov 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2007 | - | |
| Nov 1, 2007 | Nov 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2007 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2006 | - |
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.