MOUNTAIN CREEK SCHOOL
California - Non-Transient Non-Community - PWSID: CA0900309
System Information
| PWSID | CA0900309 |
| System Name | MOUNTAIN CREEK 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 | Jan 27, 1983 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | SOMERSET |
| ZIP Code | 95684 |
| Address | 6862 MT AUKUM RD |
| Organization | GARRETT, CHRISTOPHER |
| Phone | 530-620-3556 |
Population & Service
| Population Served | 125 |
| Service Connections | 8 |
Drinking Water Violations (28)
This water system has 28 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 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Jan 12, 2023 | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Jan 12, 2023 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2022 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Dec 7, 2022 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Dec 7, 2022 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Jan 1, 2011 | Dec 31, 2012 | MR | No | No | - | - | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2011 | Dec 31, 2012 | MR | No | No | - | - | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | No | - | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Jan 1, 2005 | Jan 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2005 | - | |
| Jan 1, 2005 | Jan 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2005 | - | |
| Jul 1, 2003 | Jul 31, 2003 | MR | No | No | - | 10 mg/L | - | Resolved | Jul 31, 2003 | - | |
| May 1, 1983 | May 31, 1983 | Other | No | No | - | - | - | Archived | May 31, 1983 | - | |
| Nov 1, 1982 | Nov 30, 1982 | Other | No | No | - | - | - | Archived | Nov 30, 1982 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.