YOSEMITE HIGH SCHOOL
California — Non-Transient Non-Community — PWSID: CA2000567
System Information
| PWSID | CA2000567 |
| System Name | YOSEMITE HIGH SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water Purchased |
| Activity Status | Inactive |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Jan 5, 1981 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | OAKHURST |
| ZIP Code | 93644 |
| Address | 50200 Road 427 |
| Organization | SHARP, RANDY |
| Phone | 559-683-8801 |
Population & Service
| Population Served | 862 |
| Service Connections | 32 |
Drinking Water Violations (106)
This water system has 106 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 | MCL | Yes | No | 20.5 PCI/L | 30 ug/L | 20 | Resolved | Sep 30, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MCL | Yes | No | 20.5 PCI/L | 30 ug/L | 20 | Resolved | Sep 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 26 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 26 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | 26 PCI/L | 30 ug/L | 20 | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | 26 PCI/L | 30 ug/L | 20 | Resolved | Mar 31, 2022 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MCL | Yes | No | 26 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2021 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MCL | Yes | No | 26 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | 33 PCI/L | 30 ug/L | 20 | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | 33 PCI/L | 30 ug/L | 20 | Resolved | Mar 31, 2019 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MCL | Yes | No | 26 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2018 | — | |
| Jan 1, 2018 | Dec 31, 2018 | MCL | Yes | No | 26 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2018 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 27 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2017 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 27 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | 20.5 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | 20.5 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | 20.5 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2017 | — | |
| Oct 1, 2016 | Dec 31, 2016 | MCL | Yes | No | 24 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2016 | — | |
| Oct 1, 2016 | Dec 31, 2016 | MCL | Yes | No | 24 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2016 | — | |
| Oct 1, 2016 | Dec 31, 2016 | MCL | Yes | No | 24 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2016 | — | |
| Jul 1, 2016 | Sep 30, 2016 | MCL | Yes | No | 26.3 PCI/L | 30 ug/L | 20 | Resolved | Sep 30, 2016 | — | |
| Jul 1, 2016 | Sep 30, 2016 | MCL | Yes | No | 26.3 PCI/L | 30 ug/L | 20 | Resolved | Sep 30, 2016 | — | |
| Jul 1, 2016 | Sep 30, 2016 | MCL | Yes | No | 26.3 PCI/L | 30 ug/L | 20 | Resolved | Sep 30, 2016 | — | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 29.8 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2016 | — | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 29.8 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2016 | — | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 29.8 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2016 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | 33.3 PCI/L | 30 ug/L | 20 | Resolved | Mar 31, 2016 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | 33.3 PCI/L | 30 ug/L | 20 | Resolved | Mar 31, 2016 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | 33.3 PCI/L | 30 ug/L | 20 | Resolved | Mar 31, 2016 | — | |
| Sep 1, 2015 | Sep 30, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2015 | — | |
| Sep 1, 2015 | Sep 30, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2015 | — | |
| Sep 1, 2015 | Sep 30, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2015 | — | |
| Sep 1, 2015 | Sep 30, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2015 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MCL | Yes | No | 34 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2015 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MCL | Yes | No | 34 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2015 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MCL | Yes | No | 34 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2015 | — | |
| Jul 1, 2014 | Sep 30, 2014 | MCL | Yes | No | 36 PCI/L | 30 ug/L | 20 | Resolved | Sep 30, 2014 | — | |
| Jul 1, 2014 | Sep 30, 2014 | MCL | Yes | No | 36 PCI/L | 30 ug/L | 20 | Resolved | Sep 30, 2014 | — | |
| Jul 1, 2014 | Sep 30, 2014 | MCL | Yes | No | 36 PCI/L | 30 ug/L | 20 | Resolved | Sep 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MCL | Yes | No | 29 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MCL | Yes | No | 29 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MCL | Yes | No | 29 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MCL | Yes | No | 28.25 PCI/L | 30 ug/L | 20 | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MCL | Yes | No | 28.25 PCI/L | 30 ug/L | 20 | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MCL | Yes | No | 28.25 PCI/L | 30 ug/L | 20 | Resolved | Mar 31, 2014 | — | |
| Oct 1, 2013 | Dec 31, 2013 | MCL | Yes | No | 26.75 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2013 | — | |
| Oct 1, 2013 | Dec 31, 2013 | MCL | Yes | No | 26.75 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2013 | — | |
| Oct 1, 2013 | Dec 31, 2013 | MCL | Yes | No | 26.75 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | 26 PCI/L | 30 ug/L | 20 | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | 26 PCI/L | 30 ug/L | 20 | Resolved | Sep 30, 2013 | — |
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.