CASA RUIZ
California - Transient Non-Community - PWSID: CA5700518
System Information
| PWSID | CA5700518 |
| System Name | CASA RUIZ |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 17, 1996 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | WOODLAND |
| ZIP Code | 95776 |
| Address | 1375 E GUM AVENUE |
| Organization | _RUIZ, JOSE |
| Phone | 530-383-4745 |
Population & Service
| Population Served | 60 |
| Service Connections | 2 |
Drinking Water Violations (45)
This water system has 45 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, 2025 | Dec 31, 2025 | MCL | Yes | No | 11 MG/L | 10 mg/L | 10 | Archived | Dec 31, 2025 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Jan 1, 2022 | Jan 31, 2022 | MCL | Yes | No | 10.618 MG/L | 10 mg/L | 10 | Resolved | Jan 31, 2022 | - | |
| Jan 1, 2022 | Jan 31, 2022 | MCL | Yes | No | 10.618 MG/L | 10 mg/L | 10 | Resolved | Jan 31, 2022 | - | |
| Jan 1, 2022 | Jan 31, 2022 | MCL | Yes | No | 10.618 MG/L | 10 mg/L | 10 | Resolved | Jan 31, 2022 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MCL | Yes | No | 10.2 MG/L | 10 mg/L | 10 | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MCL | Yes | No | 10.2 MG/L | 10 mg/L | 10 | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MCL | Yes | No | 10.2 MG/L | 10 mg/L | 10 | Resolved | Dec 31, 2021 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 16, 2013 | - | |
| Jan 1, 2013 | Dec 31, 2015 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Jan 1, 2013 | Dec 31, 2015 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Sep 1, 2008 | Sep 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 5, 2008 | - | |
| Aug 1, 2008 | Aug 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2008 | - | |
| Aug 1, 2008 | Aug 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2008 | - | |
| Aug 1, 2008 | Aug 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2008 | - | |
| Aug 1, 2008 | Aug 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2008 | - | |
| Aug 1, 2008 | Aug 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2008 | - | |
| Feb 1, 2002 | Feb 28, 2002 | MCL | Yes | No | 75 MG/L | 10 mg/L | 45 | Resolved | Feb 28, 2002 | - | |
| Feb 1, 2002 | Feb 28, 2002 | MCL | Yes | No | 75 MG/L | 10 mg/L | 45 | Resolved | Feb 28, 2002 | - | |
| Feb 1, 2002 | Feb 28, 2002 | MCL | Yes | No | 75 MG/L | 10 mg/L | 45 | Resolved | Feb 28, 2002 | - | |
| Sep 1, 2001 | Sep 30, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2000 | - | |
| Sep 1, 2001 | Sep 30, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2000 | - | |
| Sep 1, 2001 | Sep 30, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2000 | - | |
| Sep 1, 2001 | Sep 30, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2000 | - | |
| Mar 1, 2000 | Mar 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2000 | - | |
| Mar 1, 2000 | Mar 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2000 | - | |
| Mar 1, 2000 | Mar 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2000 | - | |
| Aug 1, 1999 | Aug 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1999 | - | |
| Aug 1, 1999 | Aug 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1999 | - | |
| Aug 1, 1999 | Aug 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1999 | - | |
| Aug 1, 1999 | Aug 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1999 | - | |
| Aug 1, 1999 | Aug 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1999 | - | |
| Mar 1, 1999 | Mar 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 1999 | - | |
| Mar 1, 1999 | Mar 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 1999 | - | |
| Mar 1, 1999 | Mar 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 1999 | - | |
| Mar 1, 1999 | Mar 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 1999 | - | |
| Mar 1, 1999 | Mar 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 1999 | - | |
| Mar 1, 1999 | Mar 31, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 1999 | - | |
| Nov 1, 1997 | Nov 1, 1998 | MCL | Yes | No | 75 MG/L | 10 mg/L | 45 | Resolved | Feb 4, 1998 | - | |
| Nov 1, 1997 | Nov 1, 1998 | MCL | Yes | No | 75 MG/L | 10 mg/L | 45 | Resolved | Feb 4, 1998 | - | |
| - | - | - | 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.