KNIGHTSEN COMMUNITY WATER SYSTEM
California - Community Water System - PWSID: CA0707547
System Information
| PWSID | CA0707547 |
| System Name | KNIGHTSEN COMMUNITY WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 19, 2000 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | OAKLEY |
| ZIP Code | 94561 |
| Address | P. O. Box 127 |
| Organization | MUELRATH, DAN |
| Phone | 925-625-3798 |
Population & Service
| Population Served | 73 |
| Service Connections | 22 |
Drinking Water Violations
No violations recorded for this water system in the EPA SDWIS database.
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.