HORICON SCHOOL
California - Non-Transient Non-Community - PWSID: CA4900680
System Information
| PWSID | CA4900680 |
| System Name | HORICON SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | ANNAPOLIS |
| ZIP Code | 95412 |
| Address | 35555 Annapolis Road |
| Organization | HOLMES, JENIFER |
| Phone | 707-886-5322 |
Population & Service
| Population Served | 100 |
| Service Connections | 4 |
Drinking Water Violations (22)
This water system has 22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2011 | Dec 31, 2011 | MCL | Yes | No | .084 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MCL | Yes | No | .084 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2011 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MCL | Yes | No | .076 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2011 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MCL | Yes | No | .076 MG/L | 0.060 mg/L | .06 | Resolved | Sep 30, 2011 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | - | - | Resolved | Dec 31, 2010 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | - | - | Resolved | Dec 31, 2010 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | - | - | Resolved | Dec 31, 2010 | - | |
| Mar 1, 2008 | Mar 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2008 | - | |
| Mar 1, 2008 | Mar 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2008 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2001 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2001 | - | |
| Sep 1, 1998 | Sep 30, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Sep 1, 1998 | Sep 30, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Jun 1, 1998 | Jun 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Jun 1, 1998 | Jun 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Oct 1, 1997 | Oct 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 1997 | - | |
| Oct 1, 1997 | Oct 31, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 1997 | - | |
| Mar 1, 1995 | Mar 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1995 | - | |
| Mar 1, 1995 | Mar 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1995 | - | |
| Aug 1, 1984 | Aug 31, 1984 | Other | No | No | - | - | - | Archived | Aug 31, 1984 | - | |
| - | - | - | 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.