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MADERA CO MD1-HIDDEN LAKE ESTATES

California - Community Water System - PWSID: CA2000544

System Information

PWSIDCA2000544
System NameMADERA CO MD1-HIDDEN LAKE ESTATES
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedMar 20, 2026

Location & Contact

StateCalifornia
CityMADERA
ZIP Code93637
Address200 WEST 4TH ST., THIRD FLOOR
OrganizationTOLER, PHIL
Phone559-675-7811

Population & Service

Population Served162
Service Connections49

Drinking Water Violations (113)

This water system has 113 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 1, 2025 Dec 31, 2025 MCL Yes No .102 MG/L 0.060 mg/L .06 Archived Dec 31, 2025 -
Oct 1, 2025 Dec 31, 2025 MCL Yes No .1525 MG/L 0.080 mg/L .08 Archived Dec 31, 2025 -
Jul 1, 2025 Sep 30, 2025 MCL Yes No .0965 MG/L 0.060 mg/L .06 Archived Sep 30, 2025 -
Jul 1, 2025 Sep 30, 2025 MCL Yes No .14 MG/L 0.080 mg/L .08 Archived Sep 30, 2025 -
Apr 1, 2025 Jun 30, 2025 MCL Yes No .0962 MG/L 0.080 mg/L .06 Archived Jun 30, 2025 -
Apr 1, 2025 Jun 30, 2025 MCL Yes No .1425 MG/L 0.060 mg/L .06 Archived Jun 30, 2025 -
Jan 1, 2025 Mar 31, 2025 MCL Yes No .1175 MG/L 0.080 mg/L .08 Archived Mar 31, 2025 -
Jan 1, 2025 Mar 31, 2025 MCL Yes No .0817 MG/L 0.060 mg/L .06 Archived Mar 31, 2025 -
Oct 1, 2024 Dec 31, 2024 MCL Yes No .09875 MG/L 0.060 mg/L .06 Archived Dec 31, 2024 -
Oct 1, 2024 Dec 31, 2024 MCL Yes No .1125 MG/L 0.080 mg/L .08 Archived Dec 31, 2024 -
Jul 1, 2024 Sep 30, 2024 MCL Yes No .132 MG/L 0.080 mg/L .08 Archived Sep 30, 2024 -
Jul 1, 2024 Sep 30, 2024 MCL Yes No .117 MG/L 0.060 mg/L .06 Archived Sep 30, 2024 -
Apr 1, 2024 Jun 30, 2024 MCL Yes No .095 MG/L 0.060 mg/L .06 Archived Jun 30, 2024 -
Apr 1, 2024 Jun 30, 2024 MCL Yes No .123 MG/L 0.080 mg/L .08 Archived Jun 30, 2024 -
Jan 1, 2024 Mar 31, 2024 MCL Yes No .13 MG/L 0.060 mg/L .06 Archived Mar 31, 2024 -
Jan 1, 2024 Mar 31, 2024 MCL Yes No .135 MG/L 0.080 mg/L .08 Archived Mar 31, 2024 -
Oct 1, 2023 Dec 31, 2023 MCL Yes No .111 MG/L 0.060 mg/L .06 Archived Dec 31, 2023 -
Oct 1, 2023 Dec 31, 2023 MCL Yes No .155 MG/L 0.080 mg/L .08 Archived Dec 31, 2023 -
Jul 1, 2023 Sep 30, 2023 MCL Yes No .109 MG/L 0.060 mg/L .06 Archived Sep 30, 2023 -
Jul 1, 2023 Sep 30, 2023 MCL Yes No .144 MG/L 0.080 mg/L .08 Archived Sep 30, 2023 -
Apr 1, 2023 Jun 30, 2023 MCL Yes No .101 MG/L 0.060 mg/L .006 Archived Jun 30, 2023 -
Apr 1, 2023 Jun 30, 2023 MCL Yes No .149 MG/L 0.080 mg/L .08 Archived Jun 30, 2023 -
Mar 1, 2023 Mar 31, 2023 TT Yes No - - - Archived Mar 31, 2023 -
Jan 1, 2023 Mar 31, 2023 MCL Yes No .15 MG/L 0.060 mg/L .06 Archived Mar 31, 2023 -
Jan 1, 2023 Mar 31, 2023 MCL Yes No .22 MG/L 0.080 mg/L .08 Archived Mar 31, 2023 -
Oct 1, 2022 Dec 31, 2022 MCL Yes No .093 UG/L 0.060 mg/L .06 Archived Dec 31, 2022 -
Oct 1, 2022 Dec 31, 2022 MCL Yes No .12 UG/L 0.080 mg/L .08 Archived Dec 31, 2022 -
Jul 1, 2022 Sep 30, 2022 MCL Yes No 123 UG/L 0.080 mg/L 80 Archived Sep 30, 2022 -
Jul 1, 2022 Sep 30, 2022 MCL Yes No 93.3 UG/L 0.060 mg/L 60 Archived Sep 30, 2022 -
Apr 1, 2022 Jun 30, 2022 MCL Yes No 140 UG/L 0.080 mg/L 80 Archived Jun 30, 2022 -
Jul 1, 2021 Sep 30, 2021 MCL Yes No 160 UG/L 0.080 mg/L 80 Archived Sep 30, 2021 -
Jul 1, 2021 Sep 30, 2021 MCL Yes No 100 UG/L 0.060 mg/L 60 Archived Sep 30, 2021 -
Apr 1, 2021 Jun 30, 2021 MCL Yes No 100 UG/L 0.080 mg/L 80 Archived Jun 30, 2021 -
Apr 1, 2021 Jun 30, 2021 MCL Yes No 71.5 UG/L 0.060 mg/L 60 Archived Jun 30, 2021 -
Jan 1, 2021 Mar 31, 2021 MCL Yes No 88 UG/L 0.080 mg/L 80 Archived Mar 31, 2021 -
Jan 1, 2021 Mar 31, 2021 MCL Yes No 69 UG/L 0.060 mg/L 60 Archived Mar 31, 2021 -
Oct 1, 2020 Dec 31, 2020 MCL Yes No .092 MG/L 0.080 mg/L .08 Archived Dec 31, 2020 -
Oct 1, 2020 Dec 31, 2020 MCL Yes No .075 MG/L 0.060 mg/L .06 Archived Dec 31, 2020 -
Jul 1, 2020 Sep 30, 2020 MCL Yes No 90 UG/L 0.080 mg/L 80 Archived Sep 30, 2020 -
Jul 1, 2020 Sep 30, 2020 MCL Yes No 73 UG/L 0.060 mg/L 60 Archived Sep 30, 2020 -
Apr 1, 2020 Jun 30, 2020 MCL Yes No .099 MG/L 0.080 mg/L .08 Archived Jun 30, 2020 -
Apr 1, 2020 Jun 30, 2020 MCL Yes No .087 MG/L 0.060 mg/L .06 Archived Jun 30, 2020 -
Jan 1, 2020 Mar 31, 2020 MCL Yes No .125 MG/L 0.080 mg/L .08 Archived Mar 31, 2020 -
Jan 1, 2020 Mar 31, 2020 MCL Yes No .098 MG/L 0.060 mg/L .06 Archived Mar 31, 2020 -
Oct 1, 2019 Dec 31, 2019 MCL Yes No .122 MG/L 0.080 mg/L .08 Archived Dec 31, 2019 -
Oct 1, 2019 Dec 31, 2019 MCL Yes No .118 MG/L 0.060 mg/L .06 Archived Dec 31, 2019 -
Jul 1, 2019 Sep 30, 2019 MCL Yes No .13 MG/L 0.080 mg/L .08 Archived Sep 30, 2019 -
Jul 1, 2019 Sep 30, 2019 MCL Yes No .111 MG/L 0.060 mg/L .06 Archived Sep 30, 2019 -
Apr 1, 2019 Jun 30, 2019 MCL Yes No .098 MG/L 0.060 mg/L .06 Archived Jun 30, 2019 -
Apr 1, 2019 Jun 30, 2019 MCL Yes No .12 MG/L 0.080 mg/L .08 Archived Jun 30, 2019 -

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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