GRAND ISLAND MANSION
California - Transient Non-Community - PWSID: CA3400455
System Information
| PWSID | CA3400455 |
| System Name | GRAND ISLAND MANSION |
| 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 | Apr 21, 2010 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | WALNUT GROVE |
| ZIP Code | 95690 |
| Address | 13415 GRAND ISLAND RD |
| Organization | MCCUEN, ELIZABETH |
| Phone | 916-775-1705 |
Population & Service
| Population Served | 600 |
| Service Connections | 1 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2024 | Jan 31, 2024 | MON | No | No | - | - | - | Resolved | Jan 31, 2024 | - | |
| Dec 1, 2023 | Dec 31, 2023 | MON | No | No | - | - | - | Resolved | Dec 31, 2023 | - | |
| Dec 1, 2012 | Dec 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2012 | - | |
| Dec 1, 2012 | Dec 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2012 | - |
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.