GRAVENSTEIN SCHOOL DISTRICT-HILLCREST
California - Non-Transient Non-Community - PWSID: CA4900711
System Information
| PWSID | CA4900711 |
| System Name | GRAVENSTEIN SCHOOL DISTRICT-HILLCREST |
| System Type | Non-Transient Non-Community |
| Water Source | Ground 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 | SEBASTOPOL |
| ZIP Code | 95472 |
| Address | 725 Bloomfield Road |
| Organization | PUGNO, KERI |
| Phone | 707-823-7008 |
Population & Service
| Population Served | 289 |
| Service Connections | 1 |
Drinking Water Violations (16)
This water system has 16 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 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Mar 1, 2007 | Mar 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2007 | - | |
| Mar 1, 2007 | Mar 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2007 | - | |
| Aug 1, 2002 | Aug 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2002 | - | |
| Aug 1, 2002 | Aug 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2002 | - | |
| May 1, 1998 | May 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1998 | - | |
| May 1, 1998 | May 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1998 | - | |
| Nov 1, 1997 | Nov 30, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 23, 1997 | - | |
| Nov 1, 1997 | Nov 30, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 23, 1997 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Feb 1, 1996 | Feb 29, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Jan 1, 1996 | Feb 29, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Jan 1, 1996 | Feb 29, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 1996 | - | |
| Aug 1, 1984 | Aug 31, 1984 | Other | No | No | - | - | - | Archived | Aug 31, 1984 | - | |
| - | - | - | 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.