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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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Bridge Safety624,000 bridge inspections Aviation Safety30,000+ NTSB aviation events Dam Safety92,600 dam safety records Water Safety433,000+ public water systems Railroad Safety438,000+ rail crossings Pipeline Safety8,800+ pipeline incidents State DashboardsSafety grades for all 50 states ZIP ReportAny 5-digit ZIP across 9 datasets

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SAN MARCOS MUTUAL WATER COMPANY

California - Community Water System - PWSID: CA4200580

System Information

PWSIDCA4200580
System NameSAN MARCOS MUTUAL WATER COMPANY
System TypeCommunity Water System
Water SourceGround Water Under Influence
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedMar 20, 2026

Location & Contact

StateCalifornia
CitySANTA BARBARA
ZIP Code93105
Address50 SAN MARCOS TROUT CLUB
OrganizationSAN MARCOS, MWC
Phone805-452-1487

Population & Service

Population Served120
Service Connections38

Drinking Water Violations (10)

This water system has 10 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
Sep 1, 2004 Sep 30, 2004 MCL Yes No - 5% of samples - Resolved Sep 30, 2004 -
Sep 1, 2004 Sep 30, 2004 MCL Yes No - 5% of samples - Resolved Sep 30, 2004 -
Jul 1, 2000 Jul 31, 2000 MCL Yes No - 5% of samples - Resolved Jul 31, 2000 -
Jul 1, 2000 Jul 31, 2000 MCL Yes No - 5% of samples - Resolved Jul 31, 2000 -
Mar 1, 1997 Mar 31, 1997 MCL Yes No - 5% of samples - Resolved Mar 31, 1997 -
Mar 1, 1997 Mar 31, 1997 MCL Yes No - 5% of samples - Resolved Mar 31, 1997 -
Aug 1, 1996 Aug 31, 1996 MCL Yes No - 5% of samples - Resolved Aug 31, 1996 -
Aug 1, 1996 Aug 31, 1996 MCL Yes No - 5% of samples - Resolved Aug 31, 1996 -
Oct 1, 1981 Sep 30, 1982 MR No Yes - 15 pCi/L - Archived Sep 30, 1982 -
Oct 30, 1980 Oct 29, 1981 MR No Yes - 15 pCi/L - Archived Oct 29, 1981 -

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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