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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 ReportedJun 22, 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 (115)

This water system has 115 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
Jan 1, 2026 Mar 31, 2026 MCL Yes No 85 UG/L 0.060 mg/L 60 Archived Mar 31, 2026 -
Jan 1, 2026 Mar 31, 2026 MCL Yes No 145 UG/L 0.080 mg/L 80 Archived Mar 31, 2026 -
Oct 1, 2025 Dec 31, 2025 MCL Yes No 102 UG/L 0.060 mg/L 60 Archived Dec 31, 2025 -
Oct 1, 2025 Dec 31, 2025 MCL Yes No 152.5 UG/L 0.080 mg/L 80 Archived Dec 31, 2025 -
Jul 1, 2025 Sep 30, 2025 MCL Yes No 140 UG/L 0.080 mg/L 80 Archived Sep 30, 2025 -
Jul 1, 2025 Sep 30, 2025 MCL Yes No 96.5 UG/L 0.060 mg/L 60 Archived Sep 30, 2025 -
Apr 1, 2025 Jun 30, 2025 MCL Yes No 142.5 UG/L 0.060 mg/L 60 Archived Jun 30, 2025 -
Apr 1, 2025 Jun 30, 2025 MCL Yes No 96.2 UG/L 0.080 mg/L 60 Archived Jun 30, 2025 -
Jan 1, 2025 Mar 31, 2025 MCL Yes No 117.5 UG/L 0.080 mg/L 80 Archived Mar 31, 2025 -
Jan 1, 2025 Mar 31, 2025 MCL Yes No 81.7 UG/L 0.060 mg/L 60 Archived Mar 31, 2025 -
Oct 1, 2024 Dec 31, 2024 MCL Yes No 98.75 UG/L 0.060 mg/L 60 Archived Dec 31, 2024 -
Oct 1, 2024 Dec 31, 2024 MCL Yes No 112.5 UG/L 0.080 mg/L 80 Archived Dec 31, 2024 -
Jul 1, 2024 Sep 30, 2024 MCL Yes No 132 UG/L 0.080 mg/L 80 Archived Sep 30, 2024 -
Jul 1, 2024 Sep 30, 2024 MCL Yes No 117 UG/L 0.060 mg/L 60 Archived Sep 30, 2024 -
Apr 1, 2024 Jun 30, 2024 MCL Yes No 95 UG/L 0.060 mg/L 60 Archived Jun 30, 2024 -
Apr 1, 2024 Jun 30, 2024 MCL Yes No 123 UG/L 0.080 mg/L 80 Archived Jun 30, 2024 -
Jan 1, 2024 Mar 31, 2024 MCL Yes No 130 UG/L 0.060 mg/L 60 Archived Mar 31, 2024 -
Jan 1, 2024 Mar 31, 2024 MCL Yes No 135 UG/L 0.080 mg/L 80 Archived Mar 31, 2024 -
Oct 1, 2023 Dec 31, 2023 MCL Yes No 155 UG/L 0.080 mg/L 80 Archived Dec 31, 2023 -
Oct 1, 2023 Dec 31, 2023 MCL Yes No 111 UG/L 0.060 mg/L 60 Archived Dec 31, 2023 -
Jul 1, 2023 Sep 30, 2023 MCL Yes No 109 UG/L 0.060 mg/L 60 Archived Sep 30, 2023 -
Jul 1, 2023 Sep 30, 2023 MCL Yes No 144 UG/L 0.080 mg/L 80 Archived Sep 30, 2023 -
Apr 1, 2023 Jun 30, 2023 MCL Yes No 101 UG/L 0.060 mg/L 60 Archived Jun 30, 2023 -
Apr 1, 2023 Jun 30, 2023 MCL Yes No 149 UG/L 0.080 mg/L 80 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 71.5 UG/L 0.060 mg/L 60 Archived Jun 30, 2021 -
Apr 1, 2021 Jun 30, 2021 MCL Yes No 100 UG/L 0.080 mg/L 80 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 .075 MG/L 0.060 mg/L .06 Archived Dec 31, 2020 -
Oct 1, 2020 Dec 31, 2020 MCL Yes No .092 MG/L 0.080 mg/L .08 Archived Dec 31, 2020 -
Jul 1, 2020 Sep 30, 2020 MCL Yes No 73 UG/L 0.060 mg/L 60 Archived Sep 30, 2020 -
Jul 1, 2020 Sep 30, 2020 MCL Yes No 90 UG/L 0.080 mg/L 80 Archived Sep 30, 2020 -
Apr 1, 2020 Jun 30, 2020 MCL Yes No .087 MG/L 0.060 mg/L .06 Archived Jun 30, 2020 -
Apr 1, 2020 Jun 30, 2020 MCL Yes No .099 MG/L 0.080 mg/L .08 Archived Jun 30, 2020 -
Jan 1, 2020 Mar 31, 2020 MCL Yes No .098 MG/L 0.060 mg/L .06 Archived Mar 31, 2020 -
Jan 1, 2020 Mar 31, 2020 MCL Yes No .125 MG/L 0.080 mg/L .08 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 .111 MG/L 0.060 mg/L .06 Archived Sep 30, 2019 -
Jul 1, 2019 Sep 30, 2019 MCL Yes No .13 MG/L 0.080 mg/L .08 Archived Sep 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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