O'CONNOR HOSPITAL

California — Non-Transient Non-Community — PWSID: CA4300808

System Information

PWSIDCA4300808
System NameO'CONNOR HOSPITAL
System TypeNon-Transient Non-Community
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedNov 30, 1981
Last ReportedNov 17, 2025

Location & Contact

StateCalifornia
CitySAN JOSE
ZIP Code95128
Address2105 Forest Avenue
OrganizationSINGER, DANUEL
Phone408-947-2539

Population & Service

Population Served2,500
Service Connections2

Drinking Water Violations (30)

This water system has 30 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 LEAD AND COPPER RULE REVISIONS RPT No No Unaddressed Lead and Copper Rule Revisions
Oct 17, 2024 LEAD AND COPPER RULE REVISIONS TT Yes No Unaddressed Lead and Copper Rule Revisions
Oct 1, 2024 Oct 31, 2024 Revised Total Coliform Rule MON No Yes Resolved Oct 31, 2024 Revised Total Coliform Rule
Oct 1, 2024 Oct 31, 2024 Revised Total Coliform Rule MON No Yes Resolved Oct 31, 2024 Revised Total Coliform Rule
Oct 1, 2019 Lead and Copper Rule MR No No TT Resolved Nov 24, 2020 Lead and Copper Rule
Oct 1, 2019 Lead and Copper Rule MR No No TT Resolved Nov 24, 2020 Lead and Copper Rule
Oct 1, 2018 Lead and Copper Rule MR No No TT Resolved Nov 24, 2020 Lead and Copper Rule
Oct 1, 2018 Oct 31, 2018 Revised Total Coliform Rule MON No Yes Resolved Oct 31, 2018 Revised Total Coliform Rule
Oct 1, 2018 Lead and Copper Rule MR No No TT Resolved Nov 24, 2020 Lead and Copper Rule
Oct 1, 2018 Oct 31, 2018 Revised Total Coliform Rule MON No Yes Resolved Oct 31, 2018 Revised Total Coliform Rule
Sep 1, 2018 Sep 30, 2018 Revised Total Coliform Rule MON No Yes Resolved Sep 30, 2018 Revised Total Coliform Rule
Sep 1, 2018 Sep 30, 2018 Revised Total Coliform Rule MON No Yes Resolved Sep 30, 2018 Revised Total Coliform Rule
Oct 1, 2017 Lead and Copper Rule MR No No TT Resolved Nov 24, 2020 Lead and Copper Rule
Oct 1, 2017 Lead and Copper Rule MR No No TT Resolved Nov 24, 2020 Lead and Copper Rule
Oct 1, 2015 Oct 31, 2015 Coliform (TCR) MCL Yes No 5% of samples Resolved Oct 31, 2015 Total Coliform Rule
Oct 1, 2015 Oct 31, 2015 Coliform (TCR) MCL Yes No 5% of samples Resolved Oct 31, 2015 Total Coliform Rule
Oct 1, 2015 Oct 31, 2015 Coliform (TCR) MR No No 5% of samples Resolved Oct 31, 2015 Total Coliform Rule
Oct 1, 2015 Oct 31, 2015 Coliform (TCR) MR No No 5% of samples Resolved Oct 31, 2015 Total Coliform Rule
Jan 1, 2010 Dec 31, 2010 Nitrate MR No Yes 10 mg/L Resolved Dec 31, 2010 Nitrate Rule
Jan 1, 2010 Dec 31, 2010 Nitrate MR No Yes 10 mg/L Resolved Dec 31, 2010 Nitrate Rule
Sep 1, 2005 Sep 30, 2005 Coliform (TCR) MR No No 5% of samples Resolved Sep 30, 2005 Total Coliform Rule
Sep 1, 2005 Sep 30, 2005 Coliform (TCR) MR No No 5% of samples Resolved Sep 30, 2005 Total Coliform Rule
Dec 1, 1998 Dec 31, 1998 Coliform (TCR) MCL Yes No 5% of samples Resolved Dec 31, 1998 Total Coliform Rule
Dec 1, 1998 Dec 31, 1998 Coliform (TCR) MCL Yes No 5% of samples Resolved Dec 31, 1998 Total Coliform Rule
Aug 1, 1997 Aug 31, 1997 Coliform (TCR) MR No No 5% of samples Resolved Aug 31, 1997 Total Coliform Rule
Aug 1, 1997 Aug 31, 1997 Coliform (TCR) MR No No 5% of samples Resolved Aug 31, 1997 Total Coliform Rule
Jan 1, 1995 Jan 31, 1995 Coliform (TCR) MCL Yes No 5% of samples Resolved Jan 31, 1995 Total Coliform Rule
Jan 1, 1995 Jan 31, 1995 Coliform (TCR) MCL Yes No 5% of samples Resolved Jan 31, 1995 Total Coliform Rule
Aug 1, 1984 Aug 31, 1984 Other No No Archived Aug 31, 1984 Miscellaneous Other Rules
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.

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