SEBASTOPOL, CITY OF
California — Community Water System — PWSID: CA4910011
System Information
| PWSID | CA4910011 |
| System Name | SEBASTOPOL, CITY OF |
| 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 | SEBASTOPOL |
| ZIP Code | 95472 |
| Address | 714 Johnson Street |
| Organization | BILLING, ERIC |
| Phone | 707-823-5331 |
Population & Service
| Population Served | 7,522 |
| Service Connections | 2,947 |
Drinking Water Violations (19)
This water system has 19 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, 2009 | Dec 31, 2009 | MCL | Yes | No | .017 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2009 | — | |
| Oct 1, 2009 | Dec 31, 2009 | MCL | Yes | No | .017 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | .016 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2009 | — | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | .016 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2009 | — | |
| Apr 1, 2009 | Jun 30, 2009 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2009 | — | |
| Apr 1, 2009 | Jun 30, 2009 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2009 | — | |
| Jan 1, 2009 | Mar 31, 2009 | MCL | Yes | No | .014 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2009 | — | |
| Jan 1, 2009 | Mar 31, 2009 | MCL | Yes | No | .014 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2009 | — | |
| Oct 1, 2008 | Dec 31, 2008 | MCL | Yes | No | .016 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2008 | — | |
| Oct 1, 2008 | Dec 31, 2008 | MCL | Yes | No | .016 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2008 | — | |
| Jul 1, 2008 | Sep 30, 2008 | MCL | Yes | No | .02 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2008 | — | |
| May 1, 2008 | May 31, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2008 | — | |
| May 1, 2008 | May 31, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2008 | — | |
| Nov 1, 2006 | Nov 30, 2006 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2006 | — | |
| Nov 1, 2006 | Nov 30, 2006 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2006 | — | |
| Nov 1, 1999 | Nov 30, 1999 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 1999 | — | |
| Nov 1, 1999 | Nov 30, 1999 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 1999 | — | |
| Aug 1, 1988 | Aug 31, 1988 | Other | No | No | — | — | — | Archived | Aug 31, 1988 | — | |
| Jul 1, 1988 | Jul 31, 1988 | Other | No | No | — | — | — | Archived | Jul 31, 1988 | — |
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.