CAMPO, CA · San Diego County

LAKE MORENA'S OAK SHORES MWC Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2014 – September 30, 2014
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2013 – December 31, 2013
Resolved
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
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, 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
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, Average
Health-based
Nitrate
October 1, 2006 – October 31, 2006
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
August 1, 2006 – August 31, 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
July 1, 2006 – September 30, 2006
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
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2005 – December 18, 2007
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)
December 1, 2004 – December 31, 2004
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)

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2014 – September 30, 2014	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
October 1, 2013 – December 31, 2013	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
July 1, 2012 – September 30, 2012	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
July 1, 2012 – September 30, 2012	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
April 1, 2012 – June 30, 2012	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
January 1, 2012 – March 31, 2012	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
October 1, 2011 – December 31, 2011	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
October 1, 2011 – December 31, 2011	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
July 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
July 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
January 1, 2011 – March 31, 2011	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
October 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
April 1, 2010 – June 30, 2010	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
January 1, 2010 – March 31, 2010	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
October 1, 2009 – December 31, 2009	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Resolved
July 1, 2009 – September 30, 2009	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Resolved
April 1, 2009 – May 4, 2009	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Resolved
January 1, 2009 – March 31, 2009	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
January 1, 2009 – January 31, 2009	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2008 – September 30, 2008	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
April 1, 2008 – April 30, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2008 – June 30, 2008	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
March 1, 2008 – March 31, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 2008 – February 29, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2008 – March 31, 2008	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
January 1, 2008 – January 31, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 2007 – December 31, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 2007 – November 30, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2007 – October 31, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2007 – October 31, 2007	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
September 1, 2007 – September 30, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2007 – August 31, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2007 – September 30, 2007	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
June 1, 2007 – June 30, 2007	Notification, State	Nitrate	—	Resolved
June 1, 2007 – June 1, 2015	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2007 – June 30, 2007	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
January 1, 2007 – March 31, 2007	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
October 1, 2006 – October 31, 2006	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
October 1, 2006 – October 31, 2006	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
August 1, 2006 – August 31, 2006	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
July 1, 2006 – December 18, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2006 – September 30, 2006	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
April 1, 2006 – June 30, 2006	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
January 1, 2006 – March 31, 2006	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
July 1, 2005 – December 18, 2007	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2005 – April 30, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 2004 – December 31, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 2004 – August 31, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2002 – August 3, 2010	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 13, 1989 – October 12, 1990	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
July 1, 1986 – June 30, 1987	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
November 1, 1982 – November 30, 1982	Notification, Public	—	—	Archived
October 1, 1981 – September 30, 1982	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 30, 1980 – October 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

June 28, 2010State Compliance achieved3 linked violations
May 11, 2010State Violation/Reminder Notice2 linked violations
June 5, 2009State Administrative/Compliance Order without penalty issued36 linked violations
May 4, 2009State Compliance achieved1 linked violation
January 15, 2009State Violation/Reminder Notice1 linked violation
July 2, 2008State Formal Notice of Violation issued9 linked violations
August 13, 2007State Administrative/Compliance Order without penalty issued3 linked violations
February 23, 2006State Violation/Reminder Notice1 linked violation
July 27, 2005State Administrative/Compliance Order without penalty issued6 linked violations
April 13, 2005State Administrative/Compliance Order without penalty issued1 linked violation
September 13, 2004State Administrative/Compliance Order without penalty issued1 linked violation

Contact

LEON, RAYMOND

619-971-3779

CAMPO, CA 91906