OCCIDENTAL COMMUNITY SERVICES DISTRICT
California - Community Water System - PWSID: CA4900536
System Information
| PWSID | CA4900536 |
| System Name | OCCIDENTAL COMMUNITY SERVICES DISTRICT |
| 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 | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | OCCIDENTAL |
| ZIP Code | 95465 |
| Address | P.O. Box 244 |
| Organization | HERRING, TIFFANIE |
| Phone | 707-953-4314 |
Population & Service
| Population Served | 533 |
| Service Connections | 110 |
Drinking Water Violations (25)
This water system has 25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2018 | Sep 30, 2018 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2018 | - | |
| Sep 1, 2018 | Sep 30, 2018 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2018 | - | |
| Jul 1, 2014 | Jun 30, 2017 | Other | No | No | - | - | - | Resolved | Jun 22, 2017 | - | |
| Jul 1, 2014 | Jun 30, 2017 | Other | No | No | - | - | - | Resolved | Jun 22, 2017 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2005 | - | |
| Sep 1, 2003 | Sep 30, 2003 | TT | Yes | No | - | - | - | Resolved | Sep 30, 2003 | - | |
| Sep 1, 2003 | Sep 30, 2003 | TT | Yes | No | - | - | - | Resolved | Sep 30, 2003 | - | |
| Jan 1, 2001 | Jan 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2001 | - | |
| Jan 1, 2001 | Jan 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2001 | - | |
| Jul 1, 1999 | Jul 31, 1999 | MR | No | No | - | - | - | Resolved | Jul 31, 1999 | - | |
| Jul 1, 1999 | Jul 31, 1999 | MR | No | No | - | - | - | Resolved | Jul 31, 1999 | - | |
| Mar 1, 1995 | Apr 30, 1995 | TT | Yes | No | - | - | - | Resolved | Apr 30, 1995 | - | |
| Mar 1, 1995 | Apr 30, 1995 | TT | Yes | No | - | - | - | Resolved | Apr 30, 1995 | - | |
| Jan 1, 1995 | Feb 28, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 1995 | - | |
| Jan 1, 1995 | Feb 28, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 28, 1995 | - | |
| Jul 1, 1993 | Dec 31, 2003 | MR | No | No | - | TT | - | Resolved | Dec 31, 2003 | - | |
| Sep 1, 1984 | Sep 30, 1984 | Other | No | No | - | - | - | Archived | Sep 30, 1984 | - | |
| Jul 1, 1984 | Jul 31, 1984 | Other | No | No | - | - | - | Archived | Jul 31, 1984 | - | |
| Oct 1, 1981 | Sep 30, 1982 | MR | No | Yes | - | 15 pCi/L | - | Archived | Sep 30, 1982 | - | |
| Oct 30, 1980 | Oct 29, 1981 | MR | No | Yes | - | 15 pCi/L | - | Archived | Oct 29, 1981 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.