SANTA YSABEL RANCH MWC
California - Community Water System - PWSID: CA4000802
System Information
| PWSID | CA4000802 |
| System Name | SANTA YSABEL RANCH MWC |
| 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 | May 24, 2003 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | SAN LUIS OBISPO |
| ZIP Code | 93405 |
| Address | 1400 Madonna Rd |
| Organization | WALTI, JAMES |
| Phone | 805-221-5239 |
Population & Service
| Population Served | 344 |
| Service Connections | 152 |
Drinking Water Violations (2)
This water system has 2 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, 2018 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2018 | - |
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.