Santa Ysabel Main
California - Community Water System - PWSID: 090600150
System Information
| PWSID | 090600150 |
| System Name | Santa Ysabel Main |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 2, 1984 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | California |
| City | Santa Ysabel |
| ZIP Code | 92070 |
| Address | P. O. Box 130 |
| Organization | Iipay Nation of Santa Ysabel |
| Phone | 7607650845 |
Population & Service
| Population Served | 325 |
| Service Connections | 99 |
Drinking Water Violations (336)
This water system has 336 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2022 | Sep 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| Jun 30, 2022 | - | TT | Yes | No | - | - | - | Resolved | Mar 9, 2022 | - | |
| Jun 30, 2022 | - | TT | Yes | No | - | - | - | Resolved | Dec 2, 2022 | - | |
| Nov 5, 2021 | - | TT | Yes | No | - | - | - | Resolved | Apr 7, 2022 | - | |
| Nov 5, 2021 | - | TT | Yes | No | - | - | - | Resolved | Mar 9, 2022 | - | |
| Nov 5, 2021 | - | TT | Yes | No | - | - | - | Resolved | Dec 2, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jun 16, 2023 | - | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jan 1, 2019 | - | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jan 1, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Jun 1, 2016 | - | MR | No | Yes | - | - | - | Resolved | Aug 12, 2016 | - | |
| Oct 1, 2013 | - | MR | No | Yes | - | - | - | Resolved | Oct 26, 2017 | - | |
| May 1, 2013 | May 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2013 | - | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2009 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.6 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2008 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2013 | - | |
| Jun 1, 2007 | Jun 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2007 | - | |
| May 1, 2007 | May 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2007 | - | |
| Aug 1, 2005 | Aug 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2004 | - |
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.