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Product Safety9,700+ CPSC product recalls Food Safety28,600+ FDA food recalls Pet Safety1.3M FDA animal adverse events Drug Safety17,500+ FDA drug recalls Device Safety38,400+ FDA device recalls Workplace Safety102,900+ OSHA injury reports Brand HistoryRecall lookup by company

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TWIN LAKES RESORT

California - Community Water System - PWSID: CA3701793

System Information

PWSIDCA3701793
System NameTWIN LAKES RESORT
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedMar 20, 2026

Location & Contact

StateCalifornia
CityLA MESA
ZIP Code91942
Address7140 University Ave
OrganizationGONZALEZ, GEORGINA
Phone619-283-6432

Population & Service

Population Served400
Service Connections153

Drinking Water Violations (69)

This water system has 69 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
Apr 1, 2025 Jun 30, 2025 MCL Yes No 11.7 UG/L 0.010 mg/L 10 Archived Jun 30, 2025 -
Jan 1, 2025 Mar 31, 2025 MCL Yes No 12 UG/L 0.010 mg/L 10 Archived Mar 31, 2025 -
Oct 1, 2024 Dec 31, 2024 MCL Yes No 11.7 UG/L 0.010 mg/L 10 Archived Dec 31, 2024 -
Jul 1, 2024 Sep 30, 2024 MCL Yes No 11.7 UG/L 0.010 mg/L 10 Archived Sep 30, 2024 -
Jul 1, 2024 Sep 30, 2024 MR No Yes - 0.010 mg/L - Archived Sep 30, 2024 -
Apr 1, 2024 Jun 30, 2024 MCL Yes No 12 UG/L 0.010 mg/L 10 Archived Jun 30, 2024 -
Jan 1, 2024 Mar 31, 2024 MCL Yes No 12 UG/L 0.010 mg/L 10 Archived Mar 31, 2024 -
Oct 1, 2023 Dec 31, 2023 MCL Yes No 12 UG/L 0.010 mg/L 10 Archived Dec 31, 2023 -
Jul 1, 2023 Sep 30, 2023 MCL Yes No 12 UG/L 0.010 mg/L 10 Archived Sep 30, 2023 -
Apr 1, 2023 Jun 30, 2023 MR No Yes - 0.010 mg/L - Archived Jun 30, 2023 -
Jan 1, 2023 Mar 31, 2023 MCL Yes No 12 UG/L 0.010 mg/L 10 Archived Mar 31, 2023 -
Jan 1, 2023 Dec 31, 2023 MR No Yes - 10 mg/L - Archived Dec 31, 2023 -
Oct 1, 2022 Dec 31, 2022 MCL Yes No 12 UG/L 0.010 mg/L - Archived Dec 31, 2022 -
Jul 1, 2022 Sep 30, 2022 MCL Yes No 12.5 UG/L 0.010 mg/L - Archived Sep 30, 2022 -
Apr 1, 2022 Jun 30, 2022 MCL Yes No 12 UG/L 0.010 mg/L - Archived Jun 30, 2022 -
Jan 1, 2022 Mar 31, 2022 MCL Yes No 11.2 UG/L 0.010 mg/L - Archived Mar 31, 2022 -
Oct 1, 2021 - MR No No - TT - Addressed - -
Jul 1, 2021 Sep 30, 2021 MCL Yes No 12.2 UG/L 0.010 mg/L - Archived Sep 30, 2021 -
Apr 1, 2021 Jun 30, 2021 MCL Yes No 11.6 UG/L 0.010 mg/L 10 Archived Jun 30, 2021 -
Jan 1, 2021 Mar 31, 2021 MCL Yes No 11.8 UG/L 0.010 mg/L 10 Archived Mar 31, 2021 -
Jul 1, 2020 Sep 30, 2020 MCL Yes No 11.6 UG/L 0.010 mg/L 10 Archived Sep 30, 2020 -
Apr 1, 2020 Jun 30, 2020 MCL Yes No 11.4 UG/L 0.010 mg/L 10 Archived Jun 30, 2020 -
Jan 1, 2020 Mar 31, 2020 MCL Yes No 11.3 UG/L 0.010 mg/L 10 Archived Mar 31, 2020 -
Oct 1, 2019 Dec 31, 2019 MR No Yes - 0.010 mg/L - Archived Dec 31, 2019 -
Jul 1, 2019 Sep 30, 2019 MCL Yes No 11.02 UG/L 0.010 mg/L - Archived Sep 30, 2019 -
Apr 1, 2019 Jun 30, 2019 MCL Yes No 11 UG/L 0.010 mg/L 10 Archived Jun 30, 2019 -
Jan 1, 2019 Mar 31, 2019 MCL Yes No 11.2 UG/L 0.010 mg/L 10 Archived Mar 31, 2019 -
Oct 1, 2018 Dec 31, 2018 MCL Yes No 11.3 UG/L 0.010 mg/L 10 Archived Dec 31, 2018 -
Apr 1, 2018 Jun 30, 2018 MCL Yes No 12 MG/L 0.010 mg/L .01 Archived Jun 30, 2018 -
Jan 1, 2018 Mar 31, 2018 MCL Yes No 12 MG/L 0.010 mg/L .01 Archived Mar 31, 2018 -
Oct 1, 2017 Dec 31, 2017 MCL Yes No 12 MG/L 0.010 mg/L 10 Archived Dec 31, 2017 -
Jul 1, 2017 Sep 30, 2017 MCL Yes No 11.75 MG/L 0.010 mg/L .01 Archived Sep 30, 2017 -
Apr 1, 2017 Jun 30, 2017 MR No Yes - 0.010 mg/L - Archived Jun 30, 2017 -
Apr 1, 2017 Jun 30, 2017 MCL Yes No .012 MG/L 0.010 mg/L .01 Archived Jun 30, 2017 -
Jan 1, 2017 Mar 31, 2017 MCL Yes No .0115 MG/L 0.010 mg/L .01 Archived Mar 31, 2017 -
Jan 1, 2017 Mar 31, 2017 MCL Yes No .0115 MG/L 0.010 mg/L .01 Archived Mar 31, 2017 -
Dec 23, 2016 - Other No No - - - Addressed - -
Oct 1, 2016 Dec 31, 2016 MCL Yes No .0115 MG/L 0.010 mg/L .01 Archived Dec 31, 2016 -
Oct 1, 2016 Dec 31, 2016 MCL Yes No .0115 MG/L 0.010 mg/L .01 Archived Dec 31, 2016 -
Jul 1, 2016 Sep 30, 2016 MCL Yes No .0114 MG/L 0.010 mg/L .01 Archived Sep 30, 2016 -
Jul 1, 2016 Sep 30, 2016 MCL Yes No .0114 MG/L 0.010 mg/L .01 Archived Sep 30, 2016 -
Apr 1, 2016 Jun 30, 2016 MCL Yes No .0116 MG/L 0.010 mg/L .01 Archived Jun 30, 2016 -
Apr 1, 2016 Jun 30, 2016 MCL Yes No .0116 MG/L 0.010 mg/L .01 Archived Jun 30, 2016 -
Aug 1, 2015 Aug 31, 2015 MR No No - 5% of samples - Resolved Aug 31, 2015 -
Aug 1, 2015 Aug 31, 2015 MR No No - 5% of samples - Resolved Aug 31, 2015 -
Mar 1, 2014 Mar 31, 2014 MR No No - 5% of samples - Resolved Mar 31, 2014 -
Mar 1, 2014 Mar 31, 2014 MR No No - 5% of samples - Resolved Mar 31, 2014 -
Nov 1, 2009 Nov 30, 2009 MR No No - 5% of samples - Resolved Nov 30, 2009 -
Nov 1, 2009 Nov 30, 2009 MR No No - 5% of samples - Resolved Nov 30, 2009 -
Apr 14, 2009 - MR No No - TT - Addressed - -

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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