FOSTER ROAD MUTUAL WATER COMPANY
California - Community Water System - PWSID: CA4200556
System Information
| PWSID | CA4200556 |
| System Name | FOSTER ROAD MUTUAL WATER COMPANY |
| 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 22, 1979 |
| Last Reported | Jun 22, 2026 |
Location & Contact
| State | California |
| City | SANTA MARIA |
| ZIP Code | 93454 |
| Address | 140 EAST FOSTER ROAD |
| Organization | WALLING, ROBERT |
| Phone | 805-470-0462 |
Population & Service
| Population Served | 150 |
| Service Connections | 49 |
Drinking Water Violations (110)
This water system has 110 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 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.5 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.002 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.002 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | - | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | - | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.007 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.007 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.001 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.001 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.7 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.7 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.006 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.006 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.0005 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.0005 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.003 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.003 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.0002 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.0002 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.00000003 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.00000003 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.07 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.07 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.0004 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.0004 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.5 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.002 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.002 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.00005 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.00005 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.0002 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.0002 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.001 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.001 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.0002 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.0002 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.05 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.05 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.0002 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.0002 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.04 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.04 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.05 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.05 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.004 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.004 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.2 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.003 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.003 mg/L | - | Resolved | Oct 15, 2024 | - | |
| Feb 16, 2024 | Oct 30, 2024 | MR | No | No | - | 0.2 mg/L | - | Resolved | Oct 15, 2024 | - |
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.