MUMM OF NAPA VALLEY
California - Non-Transient Non-Community - PWSID: CA2801024
System Information
| PWSID | CA2801024 |
| System Name | MUMM OF NAPA VALLEY |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 21, 1992 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | SONOMA |
| ZIP Code | 95476 |
| Address | 19201 Highway 12, Unit 264 |
| Organization | SOLORIO, GUILLERMO |
| Phone | 707-254-5760 |
Population & Service
| Population Served | 50 |
| Service Connections | 1 |
Drinking Water Violations (8)
This water system has 8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 2017 | Feb 28, 2017 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2017 | - | |
| Feb 1, 2017 | Feb 28, 2017 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2017 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2011 | - | |
| Nov 1, 2011 | Nov 30, 2011 | Other | No | No | - | 5% of samples | - | Resolved | Nov 30, 2011 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2011 | - | |
| Nov 1, 2011 | Nov 30, 2011 | Other | No | No | - | 5% of samples | - | Resolved | Nov 30, 2011 | - | |
| Jul 1, 1993 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2000 | - | |
| - | - | - | 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.