WASHOE HOUSE
California - Transient Non-Community - PWSID: CA4900033
System Information
| PWSID | CA4900033 |
| System Name | WASHOE HOUSE |
| System Type | 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 | PETALUMA |
| ZIP Code | 94952 |
| Address | 4235 Springhill Road |
| Organization | STARKE, DIANE |
| Phone | 707-795-4544 |
Population & Service
| Population Served | 75 |
| Service Connections | 1 |
Drinking Water Violations (10)
This water system has 10 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, 2015 | Feb 28, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2015 | - | |
| Feb 1, 2015 | Feb 28, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 2015 | - | |
| May 1, 2007 | May 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2007 | - | |
| May 1, 2007 | May 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - |
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.