Public Water Partners

CAMPO, CA · San Diego County

LAKE MORENA'S OAK SHORES MWC Water System

Consumer Confidence Report status

LAKE MORENA'S OAK SHORES MWC must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for LAKE MORENA'S OAK SHORES MWC.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.

System facts

System ID (PWSID)
CA3700923
System type
Community Water System
Population served
670
Service connections
201
Ownership
privately owned
Water source
groundwater (wells)

LAKE MORENA'S OAK SHORES MWC is one of 728 community water systems in California in the 501 to 3,300 people size category, serving 670 people from groundwater.

As of August 1, 2026, its federal record holds 54 entries between 1980 and 2012, all of which EPA lists as closed. Nothing has been added since 2012.

Of the 54, 13 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals, the Total Coliform Rules, and the Radionuclides and Revised Rad Rule.

Violation history

  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    July 1, 2012 – September 30, 2012

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    July 1, 2012 – September 30, 2012

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    April 1, 2012 – June 30, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    April 1, 2012 – June 30, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    January 1, 2012 – March 31, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    October 1, 2011 – December 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    October 1, 2011 – December 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    July 1, 2011 – September 30, 2011

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    July 1, 2011 – September 30, 2011

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    January 1, 2011 – March 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    October 1, 2010 – December 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Uranium

    October 1, 2010 – December 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    July 1, 2010 – September 30, 2010

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    April 1, 2010 – June 30, 2010

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    January 1, 2010 – March 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate-Nitrite

    October 1, 2009 – December 31, 2009

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate-Nitrite

    July 1, 2009 – September 30, 2009

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate-Nitrite

    April 1, 2009 – May 4, 2009

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    January 1, 2009 – March 31, 2009

    Resolved
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    January 1, 2009 – January 31, 2009

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    October 1, 2008 – December 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2008 – April 30, 2008

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    April 1, 2008 – June 30, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2008 – March 31, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2008 – February 29, 2008

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    January 1, 2008 – March 31, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 2008 – January 31, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2007 – December 31, 2007

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2007 – November 30, 2007

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2007 – October 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    October 1, 2007 – October 31, 2007

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2007 – September 30, 2007

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2007 – August 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    July 1, 2007 – September 30, 2007

    Resolved
  • Notification, State

    Nitrate

    June 1, 2007 – June 30, 2007

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    June 1, 2007 – June 1, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Nitrate

    April 1, 2007 – June 30, 2007

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    January 1, 2007 – March 31, 2007

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    October 1, 2006 – October 31, 2006

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Nitrate

    October 1, 2006 – October 31, 2006

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Nitrate

    August 1, 2006 – August 31, 2006

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    July 1, 2006 – September 30, 2006

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2006 – December 18, 2007

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    April 1, 2006 – June 30, 2006

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    January 1, 2006 – March 31, 2006

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    April 1, 2005 – April 30, 2005

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2004 – August 31, 2004

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    October 1, 2002 – August 3, 2010

    Resolved
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    October 13, 1989 – October 12, 1990

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    July 1, 1986 – June 30, 1987

    Archived
  • Notification, Public

    No contaminant on record

    November 1, 1982 – November 30, 1982

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 1981 – September 30, 1982

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 30, 1980 – October 29, 1981

    Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Common questions

Is LAKE MORENA'S OAK SHORES MWC required to publish a Consumer Confidence Report?

Yes. LAKE MORENA'S OAK SHORES MWC is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is LAKE MORENA'S OAK SHORES MWC’s next Consumer Confidence Report due?

LAKE MORENA'S OAK SHORES MWC’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does LAKE MORENA'S OAK SHORES MWC have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for LAKE MORENA'S OAK SHORES MWC.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

LEON, RAYMOND

619-971-3779

CAMPO, CA 91906