MARIN MUNICIPAL WATER DISTRICT
California - Community Water System - PWSID: CA2110002
System Information
| PWSID | CA2110002 |
| System Name | MARIN MUNICIPAL WATER DISTRICT |
| 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 | CORTE MADERA |
| ZIP Code | 94925 |
| Address | 220 Nellen Avenue |
| Organization | SELLIER, PAUL |
| Phone | 415-945-1557 |
Population & Service
| Population Served | 186,895 |
| Service Connections | 60,868 |
Drinking Water Violations (1)
This water system has 1 violation 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| - | - | - | No | No | - | - | - | - | - | - |
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.