MARCUM ILLINOIS ELEMENTARY SCHOOL
California - Non-Transient Non-Community - PWSID: CA5100140
System Information
| PWSID | CA5100140 |
| System Name | MARCUM ILLINOIS ELEMENTARY SCHOOL |
| 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 | Jun 27, 1980 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | EAST NICOLAUS |
| ZIP Code | 95659 |
| Address | 2452 El Centro Blvd. |
| Organization | IRBY, MAGGIE |
| Phone | 530-656-2407 |
Population & Service
| Population Served | 185 |
| Service Connections | 7 |
Drinking Water Violations (39)
This water system has 39 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, 2023 | - | MR | No | No | - | TT | - | Addressed | - | - | |
| Apr 1, 2018 | Apr 30, 2018 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2018 | - | |
| Apr 1, 2018 | Apr 30, 2018 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2018 | - | |
| Aug 1, 2017 | Aug 31, 2017 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2017 | - | |
| Aug 1, 2017 | Aug 31, 2017 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2017 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Mar 1, 2018 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Mar 1, 2018 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Feb 6, 2017 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Feb 6, 2017 | - | |
| Jan 1, 2010 | Mar 31, 2010 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2010 | - | |
| Jan 1, 2010 | Mar 31, 2010 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2010 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MCL | Yes | No | .0126 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2009 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MCL | Yes | No | .0126 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | .0126 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | .0126 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MCL | Yes | No | .0115 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MCL | Yes | No | .0115 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2009 | - | |
| Jan 1, 2009 | Mar 31, 2009 | MCL | Yes | No | .0119 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2009 | - | |
| Jan 1, 2009 | Mar 31, 2009 | MCL | Yes | No | .0119 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2009 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MCL | Yes | No | .0122 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MCL | Yes | No | .0122 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MCL | Yes | No | .0128 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MCL | Yes | No | .0128 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2008 | - | |
| Apr 1, 2008 | Jun 30, 2008 | MCL | Yes | No | .0133 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2008 | - | |
| Apr 1, 2008 | Jun 30, 2008 | MCL | Yes | No | .0133 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2008 | - | |
| Jan 1, 2008 | Mar 31, 2008 | MCL | Yes | No | .0133 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2008 | - | |
| Jan 1, 2008 | Mar 31, 2008 | MCL | Yes | No | .0133 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2008 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MCL | Yes | No | .0127 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2007 | - | |
| Oct 1, 2007 | Dec 31, 2007 | MCL | Yes | No | .0127 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Jul 1, 2007 | Sep 30, 2007 | MCL | Yes | No | .0127 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2007 | - | |
| Jul 1, 2007 | Sep 30, 2007 | MCL | Yes | No | .0127 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2007 | - | |
| Jul 1, 2007 | Jul 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2007 | - | |
| Apr 1, 2001 | May 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2001 | - | |
| Apr 1, 2001 | May 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2001 | - | |
| Aug 1, 1984 | Aug 31, 1984 | Other | No | No | - | - | - | Archived | Aug 31, 1984 | - | |
| - | - | - | 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.