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YOSEMITE HIGH SCHOOL

California — Non-Transient Non-Community — PWSID: CA2000567

System Information

PWSIDCA2000567
System NameYOSEMITE HIGH SCHOOL
System TypeNon-Transient Non-Community
Water SourceGround Water Purchased
Activity StatusInactive
Owner TypeLocal
EPA Region09
Serves SchoolYes
WholesalerNo
First ReportedJan 5, 1981
Last ReportedNov 17, 2025

Location & Contact

StateCalifornia
CityOAKHURST
ZIP Code93644
Address50200 Road 427
OrganizationSHARP, RANDY
Phone559-683-8801

Population & Service

Population Served862
Service Connections32

Drinking Water Violations (104)

This water system has 104 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 Combined Uranium MCL Yes No 20.5 PCI/L 30 ug/L 20 Resolved Sep 30, 2022 Radionuclides and Revised Rad Rule
Jul 1, 2022 Sep 30, 2022 Combined Uranium MCL Yes No 20.5 PCI/L 30 ug/L 20 Resolved Sep 30, 2022 Radionuclides and Revised Rad Rule
Apr 1, 2022 Jun 30, 2022 Combined Uranium MCL Yes No 26 PCI/L 30 ug/L 20 Resolved Jun 30, 2022 Radionuclides and Revised Rad Rule
Apr 1, 2022 Jun 30, 2022 Combined Uranium MCL Yes No 26 PCI/L 30 ug/L 20 Resolved Jun 30, 2022 Radionuclides and Revised Rad Rule
Jan 1, 2022 Mar 31, 2022 Combined Uranium MCL Yes No 26 PCI/L 30 ug/L 20 Resolved Mar 31, 2022 Radionuclides and Revised Rad Rule
Jan 1, 2022 Mar 31, 2022 Combined Uranium MCL Yes No 26 PCI/L 30 ug/L 20 Resolved Mar 31, 2022 Radionuclides and Revised Rad Rule
Oct 1, 2021 Dec 31, 2021 Combined Uranium MCL Yes No 26 PCI/L 30 ug/L 20 Resolved Dec 31, 2021 Radionuclides and Revised Rad Rule
Oct 1, 2021 Dec 31, 2021 Combined Uranium MCL Yes No 26 PCI/L 30 ug/L 20 Resolved Dec 31, 2021 Radionuclides and Revised Rad Rule
Jan 1, 2019 Mar 31, 2019 Combined Uranium MCL Yes No 33 PCI/L 30 ug/L 20 Resolved Mar 31, 2019 Radionuclides and Revised Rad Rule
Jan 1, 2019 Mar 31, 2019 Combined Uranium MCL Yes No 33 PCI/L 30 ug/L 20 Resolved Mar 31, 2019 Radionuclides and Revised Rad Rule
Jan 1, 2018 Dec 31, 2018 Combined Uranium MCL Yes No 26 PCI/L 30 ug/L 20 Resolved Dec 31, 2018 Radionuclides and Revised Rad Rule
Jan 1, 2018 Dec 31, 2018 Combined Uranium MCL Yes No 26 PCI/L 30 ug/L 20 Resolved Dec 31, 2018 Radionuclides and Revised Rad Rule
Oct 1, 2017 Dec 31, 2017 Combined Uranium MCL Yes No 27 PCI/L 30 ug/L 20 Resolved Dec 31, 2017 Radionuclides and Revised Rad Rule
Oct 1, 2017 Dec 31, 2017 Combined Uranium MCL Yes No 27 PCI/L 30 ug/L 20 Resolved Dec 31, 2017 Radionuclides and Revised Rad Rule
Apr 1, 2017 Jun 30, 2017 Combined Uranium MCL Yes No 20.5 PCI/L 30 ug/L 20 Resolved Jun 30, 2017 Radionuclides and Revised Rad Rule
Apr 1, 2017 Jun 30, 2017 Combined Uranium MCL Yes No 20.5 PCI/L 30 ug/L 20 Resolved Jun 30, 2017 Radionuclides and Revised Rad Rule
Apr 1, 2017 Jun 30, 2017 Combined Uranium MCL Yes No 20.5 PCI/L 30 ug/L 20 Resolved Jun 30, 2017 Radionuclides and Revised Rad Rule
Oct 1, 2016 Dec 31, 2016 Combined Uranium MCL Yes No 24 PCI/L 30 ug/L 20 Resolved Dec 31, 2016 Radionuclides and Revised Rad Rule
Oct 1, 2016 Dec 31, 2016 Combined Uranium MCL Yes No 24 PCI/L 30 ug/L 20 Resolved Dec 31, 2016 Radionuclides and Revised Rad Rule
Oct 1, 2016 Dec 31, 2016 Combined Uranium MCL Yes No 24 PCI/L 30 ug/L 20 Resolved Dec 31, 2016 Radionuclides and Revised Rad Rule
Jul 1, 2016 Sep 30, 2016 Combined Uranium MCL Yes No 26.3 PCI/L 30 ug/L 20 Resolved Sep 30, 2016 Radionuclides and Revised Rad Rule
Jul 1, 2016 Sep 30, 2016 Combined Uranium MCL Yes No 26.3 PCI/L 30 ug/L 20 Resolved Sep 30, 2016 Radionuclides and Revised Rad Rule
Jul 1, 2016 Sep 30, 2016 Combined Uranium MCL Yes No 26.3 PCI/L 30 ug/L 20 Resolved Sep 30, 2016 Radionuclides and Revised Rad Rule
Apr 1, 2016 Jun 30, 2016 Combined Uranium MCL Yes No 29.8 PCI/L 30 ug/L 20 Resolved Jun 30, 2016 Radionuclides and Revised Rad Rule
Apr 1, 2016 Jun 30, 2016 Combined Uranium MCL Yes No 29.8 PCI/L 30 ug/L 20 Resolved Jun 30, 2016 Radionuclides and Revised Rad Rule
Apr 1, 2016 Jun 30, 2016 Combined Uranium MCL Yes No 29.8 PCI/L 30 ug/L 20 Resolved Jun 30, 2016 Radionuclides and Revised Rad Rule
Jan 1, 2016 Mar 31, 2016 Combined Uranium MCL Yes No 33.3 PCI/L 30 ug/L 20 Resolved Mar 31, 2016 Radionuclides and Revised Rad Rule
Jan 1, 2016 Mar 31, 2016 Combined Uranium MCL Yes No 33.3 PCI/L 30 ug/L 20 Resolved Mar 31, 2016 Radionuclides and Revised Rad Rule
Jan 1, 2016 Mar 31, 2016 Combined Uranium MCL Yes No 33.3 PCI/L 30 ug/L 20 Resolved Mar 31, 2016 Radionuclides and Revised Rad Rule
Sep 1, 2015 Sep 30, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2015 Total Coliform Rule
Sep 1, 2015 Sep 30, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2015 Total Coliform Rule
Sep 1, 2015 Sep 30, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2015 Total Coliform Rule
Sep 1, 2015 Sep 30, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2015 Total Coliform Rule
Jan 1, 2015 Dec 31, 2015 Combined Uranium MCL Yes No 34 PCI/L 30 ug/L 20 Resolved Dec 31, 2015 Radionuclides and Revised Rad Rule
Jan 1, 2015 Dec 31, 2015 Combined Uranium MCL Yes No 34 PCI/L 30 ug/L 20 Resolved Dec 31, 2015 Radionuclides and Revised Rad Rule
Jan 1, 2015 Dec 31, 2015 Combined Uranium MCL Yes No 34 PCI/L 30 ug/L 20 Resolved Dec 31, 2015 Radionuclides and Revised Rad Rule
Jul 1, 2014 Sep 30, 2014 Combined Uranium MCL Yes No 36 PCI/L 30 ug/L 20 Resolved Sep 30, 2014 Radionuclides and Revised Rad Rule
Jul 1, 2014 Sep 30, 2014 Combined Uranium MCL Yes No 36 PCI/L 30 ug/L 20 Resolved Sep 30, 2014 Radionuclides and Revised Rad Rule
Jul 1, 2014 Sep 30, 2014 Combined Uranium MCL Yes No 36 PCI/L 30 ug/L 20 Resolved Sep 30, 2014 Radionuclides and Revised Rad Rule
Apr 1, 2014 Jun 30, 2014 Combined Uranium MCL Yes No 29 PCI/L 30 ug/L 20 Resolved Jun 30, 2014 Radionuclides and Revised Rad Rule
Apr 1, 2014 Jun 30, 2014 Combined Uranium MCL Yes No 29 PCI/L 30 ug/L 20 Resolved Jun 30, 2014 Radionuclides and Revised Rad Rule
Apr 1, 2014 Jun 30, 2014 Combined Uranium MCL Yes No 29 PCI/L 30 ug/L 20 Resolved Jun 30, 2014 Radionuclides and Revised Rad Rule
Jan 1, 2014 Mar 31, 2014 Combined Uranium MCL Yes No 28.25 PCI/L 30 ug/L 20 Resolved Mar 31, 2014 Radionuclides and Revised Rad Rule
Jan 1, 2014 Mar 31, 2014 Combined Uranium MCL Yes No 28.25 PCI/L 30 ug/L 20 Resolved Mar 31, 2014 Radionuclides and Revised Rad Rule
Jan 1, 2014 Mar 31, 2014 Combined Uranium MCL Yes No 28.25 PCI/L 30 ug/L 20 Resolved Mar 31, 2014 Radionuclides and Revised Rad Rule
Oct 1, 2013 Dec 31, 2013 Combined Uranium MCL Yes No 26.75 PCI/L 30 ug/L 20 Resolved Dec 31, 2013 Radionuclides and Revised Rad Rule
Oct 1, 2013 Dec 31, 2013 Combined Uranium MCL Yes No 26.75 PCI/L 30 ug/L 20 Resolved Dec 31, 2013 Radionuclides and Revised Rad Rule
Oct 1, 2013 Dec 31, 2013 Combined Uranium MCL Yes No 26.75 PCI/L 30 ug/L 20 Resolved Dec 31, 2013 Radionuclides and Revised Rad Rule
Jul 1, 2013 Sep 30, 2013 Combined Uranium MCL Yes No 26 PCI/L 30 ug/L 20 Resolved Sep 30, 2013 Radionuclides and Revised Rad Rule
Jul 1, 2013 Sep 30, 2013 Combined Uranium MCL Yes No 26 PCI/L 30 ug/L 20 Resolved Sep 30, 2013 Radionuclides and Revised Rad Rule

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.

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