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LAND PROJECTS MUTUAL WATER CO.

California — Community Water System — PWSID: CA1910246

System Information

PWSIDCA1910246
System NameLAND PROJECTS MUTUAL WATER CO.
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedNov 17, 2025

Location & Contact

StateCalifornia
CityLANCASTER
ZIP Code93536
Address8810 W. AVE. E8
OrganizationHOUGHTON, JOHN
Phone661-948-2550

Population & Service

Population Served2,800
Service Connections548

Drinking Water Violations (424)

This water system has 424 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 Arsenic MCL Yes No 18.38 UG/L 0.010 mg/L 10 Archived Jun 30, 2025 Arsenic Rule
Jan 1, 2025 Mar 31, 2025 Arsenic MCL Yes No 14.88 UG/L 0.010 mg/L 10 Archived Mar 31, 2025 Arsenic Rule
Oct 1, 2024 Dec 31, 2024 Arsenic MCL Yes No 15.88 UG/L 0.010 mg/L 10 Archived Dec 31, 2024 Arsenic Rule
Jul 1, 2024 Sep 30, 2024 Arsenic MCL Yes No 16.13 UG/L 0.010 mg/L 10 Archived Sep 30, 2024 Arsenic Rule
Apr 1, 2024 Jun 30, 2024 Arsenic MCL Yes No 16.5 UG/L 0.010 mg/L 10 Archived Jun 30, 2024 Arsenic Rule
Jan 1, 2024 Mar 31, 2024 Arsenic MCL Yes No 16 UG/L 0.010 mg/L — Archived Mar 31, 2024 Arsenic Rule
Jan 1, 2024 Mar 31, 2024 Arsenic MCL Yes No 16 UG/L 0.010 mg/L — Archived Mar 31, 2024 Arsenic Rule
Jan 1, 2024 Mar 31, 2024 Arsenic MCL Yes No 16 UG/L 0.010 mg/L — Archived Mar 31, 2024 Arsenic Rule
Oct 1, 2023 Dec 31, 2023 Arsenic MCL Yes No .01675 MG/L 0.010 mg/L .01 Archived Dec 31, 2023 Arsenic Rule
Oct 1, 2023 Dec 31, 2023 Arsenic MCL Yes No .01675 MG/L 0.010 mg/L .01 Archived Dec 31, 2023 Arsenic Rule
Oct 1, 2023 Dec 31, 2023 Arsenic MCL Yes No .01675 MG/L 0.010 mg/L .01 Archived Dec 31, 2023 Arsenic Rule
Jul 1, 2023 Sep 30, 2023 Arsenic MCL Yes No .0195 MG/L 0.010 mg/L .01 Archived Sep 30, 2023 Arsenic Rule
Jul 1, 2023 Sep 30, 2023 Arsenic MCL Yes No .0195 MG/L 0.010 mg/L .01 Archived Sep 30, 2023 Arsenic Rule
Jul 1, 2023 Sep 30, 2023 Arsenic MCL Yes No .0195 MG/L 0.010 mg/L .01 Archived Sep 30, 2023 Arsenic Rule
Apr 1, 2023 Jun 30, 2023 Arsenic MCL Yes No .019 MG/L 0.010 mg/L .01 Archived Jun 30, 2023 Arsenic Rule
Apr 1, 2023 Jun 30, 2023 Arsenic MCL Yes No .019 MG/L 0.010 mg/L .01 Archived Jun 30, 2023 Arsenic Rule
Apr 1, 2023 Jun 30, 2023 Arsenic MCL Yes No .019 MG/L 0.010 mg/L .01 Archived Jun 30, 2023 Arsenic Rule
Jan 1, 2023 Mar 31, 2023 Arsenic MCL Yes No .01875 MG/L 0.010 mg/L .01 Archived Mar 31, 2023 Arsenic Rule
Jan 1, 2023 Mar 31, 2023 Arsenic MCL Yes No .01875 MG/L 0.010 mg/L .01 Archived Mar 31, 2023 Arsenic Rule
Jan 1, 2023 Mar 31, 2023 Arsenic MCL Yes No .01875 MG/L 0.010 mg/L .01 Archived Mar 31, 2023 Arsenic Rule
Oct 1, 2022 Dec 31, 2022 Arsenic MCL Yes No .017 MG/L 0.010 mg/L .01 Archived Dec 31, 2022 Arsenic Rule
Oct 1, 2022 Dec 31, 2022 Arsenic MCL Yes No .017 MG/L 0.010 mg/L .01 Archived Dec 31, 2022 Arsenic Rule
Oct 1, 2022 Dec 31, 2022 Arsenic MCL Yes No .017 MG/L 0.010 mg/L .01 Archived Dec 31, 2022 Arsenic Rule
Jul 1, 2022 Jul 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2022 Revised Total Coliform Rule
Jul 1, 2022 Sep 30, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Chlorine MRDL Yes No — 4.0 mg/L — Resolved Sep 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Arsenic MCL Yes No .01475 MG/L 0.010 mg/L .01 Archived Sep 30, 2022 Arsenic Rule
Jul 1, 2022 Sep 30, 2022 Chlorine MRDL Yes No — 4.0 mg/L — Resolved Sep 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Jul 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2022 Revised Total Coliform Rule
Jul 1, 2022 Sep 30, 2022 Arsenic MCL Yes No .01475 MG/L 0.010 mg/L .01 Archived Sep 30, 2022 Arsenic Rule
Jul 1, 2022 Sep 30, 2022 Arsenic MCL Yes No .01475 MG/L 0.010 mg/L .01 Archived Sep 30, 2022 Arsenic Rule
Apr 1, 2022 Jun 30, 2022 Arsenic MCL Yes No .0145 MG/L 0.010 mg/L .01 Archived Jun 30, 2022 Arsenic Rule
Apr 1, 2022 Jun 30, 2022 Arsenic MCL Yes No .0145 MG/L 0.010 mg/L .01 Archived Jun 30, 2022 Arsenic Rule
Apr 1, 2022 Jun 30, 2022 Arsenic MCL Yes No .0145 MG/L 0.010 mg/L .01 Archived Jun 30, 2022 Arsenic Rule
Jan 1, 2022 Mar 31, 2022 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Archived Mar 31, 2022 Arsenic Rule
Jan 1, 2022 Mar 31, 2022 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Archived Mar 31, 2022 Arsenic Rule
Jan 1, 2022 Mar 31, 2022 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Archived Mar 31, 2022 Arsenic Rule
Oct 1, 2021 Dec 31, 2021 Arsenic MCL Yes No .01653 MG/L 0.010 mg/L .01 Archived Dec 31, 2021 Arsenic Rule
Oct 1, 2021 Dec 31, 2021 Arsenic MCL Yes No .01653 MG/L 0.010 mg/L .01 Archived Dec 31, 2021 Arsenic Rule
Oct 1, 2021 Dec 31, 2021 Arsenic MCL Yes No .01653 MG/L 0.010 mg/L .01 Archived Dec 31, 2021 Arsenic Rule
Jul 1, 2021 Sep 30, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 Arsenic MCL Yes No .01473 MG/L 0.010 mg/L .01 Archived Sep 30, 2021 Arsenic Rule
Jul 1, 2021 Sep 30, 2021 Arsenic MCL Yes No .01473 MG/L 0.010 mg/L .01 Archived Sep 30, 2021 Arsenic Rule
Jul 1, 2021 Sep 30, 2021 Arsenic MCL Yes No .01473 MG/L 0.010 mg/L .01 Archived Sep 30, 2021 Arsenic Rule
Jul 1, 2021 Sep 30, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts 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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