SONOMA DEVELOPMENTAL CENTER
California - Non-Transient Non-Community - PWSID: CA4910202
System Information
| PWSID | CA4910202 |
| System Name | SONOMA DEVELOPMENTAL CENTER |
| System Type | Non-Transient Non-Community |
| Water Source | Surface Water |
| Activity Status | Non-Inventory |
| Owner Type | State |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 15, 1992 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | ELDRIDGE |
| ZIP Code | 95431 |
| Address | P.O. Box 1493 |
| Organization | JONES, CHARLOTTE |
| Phone | 707-938-6418 |
Population & Service
| Population Served | 71 |
| Service Connections | 123 |
Drinking Water Violations (17)
This water system has 17 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, 2018 | Dec 31, 2018 | MCL | Yes | No | .0607 MG/L | 0.060 mg/L | .06 | Archived | Dec 31, 2018 | - | |
| Jul 1, 2018 | Sep 30, 2018 | MCL | Yes | No | .06665 MG/L | 0.060 mg/L | .06 | Archived | Sep 30, 2018 | - | |
| Jul 1, 2018 | Sep 30, 2018 | MCL | Yes | No | .0714 MG/L | 0.060 mg/L | .06 | Archived | Sep 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | .0786 MG/L | 0.060 mg/L | .06 | Archived | Jun 30, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .06975 MG/L | 0.060 mg/L | .06 | Archived | Mar 31, 2018 | - | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | .06595 MG/L | 0.060 mg/L | .06 | Archived | Dec 31, 2017 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | .062 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | .062 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2016 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MCL | Yes | No | .067 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2015 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MCL | Yes | No | .067 MG/L | 0.060 mg/L | .06 | Resolved | Dec 31, 2015 | - | |
| Mar 1, 2012 | Mar 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2012 | - | |
| Mar 1, 2012 | Mar 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2012 | - | |
| Oct 1, 2011 | Oct 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2011 | - | |
| Oct 1, 2011 | Oct 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2011 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jul 1, 1993 | Dec 31, 2003 | MR | No | No | - | TT | - | Resolved | Dec 31, 2003 | - |
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.