STOCKTON, CA · San Diego County

QUIET OAKS MOBILE HOME PARK 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): CA3701341
System type: Community Water System
Population served: 120
Service connections: 45
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2020 – December 31, 2020
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 2020 – June 30, 2020
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
October 1, 2017 – December 31, 2017
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2017 – March 31, 2017
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2016 – December 31, 2016
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2016 – March 31, 2016
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2015 – September 30, 2015
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2014 – December 31, 2014
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2014 – September 30, 2014
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 2014 – June 30, 2014
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate-Nitrite
March 1, 2014 – March 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate-Nitrite
August 1, 2013 – August 31, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate-Nitrite
July 1, 2013 – July 31, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2013 – June 30, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate-Nitrite
May 1, 2013 – May 31, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate-Nitrite
March 1, 2013 – March 31, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2013 – February 28, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate-Nitrite
January 1, 2013 – January 31, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2012 – January 31, 2012
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2009 – August 31, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2009 – May 31, 2009
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
April 14, 2009 – July 31, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2009 – April 30, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2009 – March 31, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2009 – February 28, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2008 – December 31, 2008
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2008 – November 30, 2008
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2008 – December 20, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2008 – July 31, 2008
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2007 – December 31, 2007
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 2007 – February 28, 2007
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2005 – September 30, 2005
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2005 – December 20, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2005 – May 31, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2005 – April 30, 2005
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
February 15, 2005 – July 31, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2005 – January 31, 2005
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2005 – March 31, 2005
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 1984 – September 30, 1985
Archived
Notification, Public
—
No contaminant on record
June 1, 1984 – June 30, 1984
Archived
Notification, Public
—
No contaminant on record
February 1, 1984 – February 29, 1984
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 1984 – January 31, 1984
Archived
Notification, Public
—
No contaminant on record
January 1, 1984 – January 31, 1984
Archived
Notification, Public
—
No contaminant on record
March 1, 1983 – March 31, 1983
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
March 1, 1983 – March 31, 1983
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
February 1, 1983 – February 28, 1983
Archived
Notification, Public
—
No contaminant on record
February 1, 1983 – February 28, 1983
Archived
Notification, Public
—
No contaminant on record
January 1, 1983 – January 31, 1983
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 1983 – January 31, 1983
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
October 1, 2020 – December 31, 2020	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
April 1, 2020 – June 30, 2020	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
October 1, 2017 – December 31, 2017	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Resolved
January 1, 2017 – March 31, 2017	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
October 1, 2016 – December 31, 2016	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
January 1, 2016 – March 31, 2016	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
July 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
October 1, 2014 – December 31, 2014	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
July 1, 2014 – September 30, 2014	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
April 1, 2014 – June 30, 2014	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
March 1, 2014 – March 31, 2014	Maximum Contaminant Level Violation, Single Sample	Nitrate-Nitrite	Health-based	Resolved
August 1, 2013 – August 31, 2013	Maximum Contaminant Level Violation, Average	Nitrate-Nitrite	Health-based	Resolved
July 1, 2013 – July 31, 2013	Maximum Contaminant Level Violation, Average	Nitrate-Nitrite	Health-based	Resolved
June 1, 2013 – June 30, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 2013 – May 31, 2013	Maximum Contaminant Level Violation, Average	Nitrate-Nitrite	Health-based	Resolved
March 1, 2013 – March 31, 2013	Maximum Contaminant Level Violation, Average	Nitrate-Nitrite	Health-based	Resolved
February 1, 2013 – February 28, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2013 – January 31, 2013	Maximum Contaminant Level Violation, Average	Nitrate-Nitrite	Health-based	Resolved
January 1, 2012 – January 31, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2009 – August 31, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 2009 – May 31, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 14, 2009 – July 31, 2013	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
April 1, 2009 – April 30, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
March 1, 2009 – March 31, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 2009 – February 28, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 2008 – December 31, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 2008 – November 30, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2008 – December 20, 2009	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2008 – July 31, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
December 1, 2007 – December 31, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 2007 – February 28, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 2005 – September 30, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2005 – December 20, 2005	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
May 1, 2005 – May 31, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2005 – April 30, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 15, 2005 – July 31, 2013	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
January 1, 2005 – January 31, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2005 – March 31, 2005	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
October 1, 1984 – September 30, 1985	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
June 1, 1984 – June 30, 1984	Notification, Public	—	—	Archived
February 1, 1984 – February 29, 1984	Notification, Public	—	—	Archived
January 1, 1984 – January 31, 1984	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
January 1, 1984 – January 31, 1984	Notification, Public	—	—	Archived
March 1, 1983 – March 31, 1983	Notification, Public	—	—	Archived
March 1, 1983 – March 31, 1983	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
February 1, 1983 – February 28, 1983	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
February 1, 1983 – February 28, 1983	Notification, Public	—	—	Archived
January 1, 1983 – January 31, 1983	Notification, Public	—	—	Archived
January 1, 1983 – January 31, 1983	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	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

November 5, 2018State Administrative/Compliance Order without penalty issued21 linked violations
February 5, 2015State Administrative/Compliance Order without penalty issued1 linked violation
November 14, 2014State Administrative/Compliance Order without penalty issued1 linked violation
September 10, 2014State Administrative/Compliance Order without penalty issued2 linked violations
August 12, 2014State Administrative/Compliance Order without penalty issued1 linked violation
June 30, 2014State Administrative/Compliance Order without penalty issued1 linked violation
March 15, 2014State Administrative/Compliance Order without penalty issued1 linked violation
October 15, 2013State Administrative/Compliance Order without penalty issued1 linked violation
August 15, 2013State Administrative/Compliance Order without penalty issued1 linked violation
July 19, 2013State Administrative/Compliance Order without penalty issued1 linked violation
July 15, 2013State Administrative/Compliance Order without penalty issued1 linked violation
May 15, 2013State Administrative/Compliance Order without penalty issued1 linked violation
March 15, 2013State Administrative/Compliance Order without penalty issued1 linked violation
February 15, 2013State Administrative/Compliance Order without penalty issued1 linked violation
January 15, 2013State Administrative/Compliance Order without penalty issued1 linked violation
March 13, 2012State Administrative/Compliance Order without penalty issued1 linked violation
February 29, 2012State Compliance achieved15 linked violations
February 15, 2012State Administrative/Compliance Order without penalty issued2 linked violations
June 6, 2011State Administrative/Compliance Order without penalty issued1 linked violation
December 20, 2009State Compliance achieved5 linked violations
September 30, 2009State Compliance achieved3 linked violations
September 11, 2009State Administrative/Compliance Order without penalty issued1 linked violation
August 11, 2009State Administrative/Compliance Order without penalty issued1 linked violation
June 30, 2009State Compliance achieved2 linked violations
June 12, 2009State Administrative/Compliance Order without penalty issued1 linked violation
May 12, 2009State Administrative/Compliance Order without penalty issued1 linked violation
April 30, 2009State Compliance achieved4 linked violations
April 24, 2009State Administrative/Compliance Order without penalty issued1 linked violation
March 11, 2009State Administrative/Compliance Order without penalty issued1 linked violation
January 31, 2009State Compliance achieved4 linked violations
January 14, 2009State Administrative/Compliance Order without penalty issued1 linked violation
October 23, 2008State Compliance achieved3 linked violations
August 11, 2008State Administrative/Compliance Order without penalty issued1 linked violation
August 11, 2008State Administrative/Compliance Order without penalty issued1 linked violation
July 9, 2008State Administrative/Compliance Order without penalty issuedgeneral compliance action — not tied to a specific violation on record
January 31, 2008State Compliance achieved9 linked violations
January 11, 2008State Administrative/Compliance Order without penalty issued1 linked violation
July 27, 2005State Administrative/Compliance Order without penalty issued1 linked violation
May 30, 2005State Compliance achieved3 linked violations
May 16, 2005State Administrative/Compliance Order without penalty issued1 linked violation
April 19, 2005State Compliance achieved7 linked violations
April 7, 2005State Administrative/Compliance Order without penalty issued1 linked violation
March 2, 2005Federal Compliance achieved1 linked violation

Contact

JOHNSTON, SHERRIE

209-932-8747

STOCKTON, CA 95209