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MIL POTRERO MWC

California — Community Water System — PWSID: CA1510028

System Information

PWSIDCA1510028
System NameMIL POTRERO MWC
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
CityPINE MOUNTAIN CLUB
ZIP Code93222
AddressP.O. BOX W
OrganizationCARRUTH, JAMES R
Phone661-242-3230

Population & Service

Population Served2,200
Service Connections2,404

Drinking Water Violations (24)

This water system has 24 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
Jul 1, 2012 Sep 30, 2012 Arsenic MCL Yes No .013 MG/L 0.010 mg/L .01 Resolved Sep 30, 2012 Arsenic Rule
Jul 1, 2012 Sep 30, 2012 Arsenic MCL Yes No .013 MG/L 0.010 mg/L .01 Resolved Sep 30, 2012 Arsenic Rule
Apr 1, 2012 Jun 30, 2012 Arsenic MCL Yes No .024 MG/L 0.010 mg/L .01 Resolved Jun 30, 2012 Arsenic Rule
Apr 1, 2012 Jun 30, 2012 Arsenic MCL Yes No .024 MG/L 0.010 mg/L .01 Resolved Jun 30, 2012 Arsenic Rule
Jan 1, 2012 Mar 31, 2012 Arsenic MCL Yes No .023 MG/L 0.010 mg/L .01 Resolved Mar 31, 2012 Arsenic Rule
Jan 1, 2012 Mar 31, 2012 Arsenic MCL Yes No .023 MG/L 0.010 mg/L .01 Resolved Mar 31, 2012 Arsenic Rule
Oct 1, 2011 Dec 31, 2011 Arsenic MCL Yes No .025 MG/L 0.010 mg/L .01 Resolved Dec 31, 2011 Arsenic Rule
Oct 1, 2011 Dec 31, 2011 Arsenic MCL Yes No .025 MG/L 0.010 mg/L .01 Resolved Dec 31, 2011 Arsenic Rule
Jul 1, 2011 Sep 30, 2011 Arsenic MCL Yes No .026 MG/L 0.010 mg/L .01 Resolved Sep 30, 2011 Arsenic Rule
Jul 1, 2011 Sep 30, 2011 Arsenic MCL Yes No .026 MG/L 0.010 mg/L .01 Resolved Sep 30, 2011 Arsenic Rule
Apr 1, 2011 Jun 30, 2011 Arsenic MCL Yes No .024 MG/L 0.010 mg/L .01 Resolved Jun 30, 2011 Arsenic Rule
Jan 1, 2011 Mar 31, 2011 Arsenic MCL Yes No .025 MG/L 0.010 mg/L .01 Resolved Mar 31, 2011 Arsenic Rule
Jan 1, 2011 Mar 31, 2011 Arsenic MCL Yes No .025 MG/L 0.010 mg/L .01 Resolved Mar 31, 2011 Arsenic Rule
Dec 1, 2010 Dec 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2010 Total Coliform Rule
Dec 1, 2010 Dec 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2010 Total Coliform Rule
Oct 1, 2010 Dec 31, 2010 Arsenic MCL Yes No .023 MG/L 0.010 mg/L .01 Resolved Dec 31, 2010 Arsenic Rule
Oct 1, 2010 Dec 31, 2010 Arsenic MCL Yes No .023 MG/L 0.010 mg/L .01 Resolved Dec 31, 2010 Arsenic Rule
Jul 1, 2010 Sep 30, 2010 Arsenic MCL Yes No .019 MG/L 0.010 mg/L .01 Resolved Sep 30, 2010 Arsenic Rule
Jul 1, 2010 Sep 30, 2010 Arsenic MCL Yes No .019 MG/L 0.010 mg/L .01 Resolved Sep 30, 2010 Arsenic Rule
Jan 1, 2004 Dec 31, 2004 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2003 Dec 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2003 Total Coliform Rule
Dec 1, 2003 Dec 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2003 Total Coliform Rule
Jan 1, 2001 Dec 31, 2001 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2001 Nitrate 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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