CALLEGUAS MUNICIPAL WATER DIST
California — Community Water System — PWSID: CA5610050
System Information
| PWSID | CA5610050 |
| System Name | CALLEGUAS MUNICIPAL WATER DIST |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | THOUSAND OAKS |
| ZIP Code | 91360 |
| Address | 2100 Olsen Road |
| Organization | MCCAFFREY, KRISTINE |
| Phone | 805-579-7138 |
Population & Service
| Population Served | — |
| Service Connections | 93 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 1, 1992 | Mar 31, 1992 | TT | Yes | No | — | — | — | Resolved | Mar 31, 1992 | — | |
| Mar 1, 1992 | Mar 31, 1992 | TT | Yes | No | — | — | — | Resolved | Mar 31, 1992 | — |
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.