Drinking Water Compliance OS

Pauma Valley, 09

Arviso - Mobile Home Park Water System

Current status

4 items on record are open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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 EPA Region 9’s official records. Always confirm current status with EPA Region 9 before making decisions based on this information.

System facts

System ID (PWSID)
090605121
System type
Community Water System
Population served
70
Service connections
40
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    December 1, 2025

    Unaddressed
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    November 1, 2025 – November 30, 2025

    Archived
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    September 1, 2025 – September 30, 2025

    Resolved
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    September 1, 2025

    Unaddressed
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    August 1, 2025 – December 1, 2025

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    July 1, 2025

    Unaddressed
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    July 1, 2025 – July 31, 2025

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    June 1, 2025

    Unaddressed
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    June 1, 2025 – August 12, 2025

    Resolved
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    March 1, 2025 – May 12, 2025

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    September 1, 2024 – July 9, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    September 1, 2024 – September 30, 2024

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    August 1, 2024 – July 9, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    August 1, 2024 – August 31, 2024

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    June 1, 2024 – June 30, 2024

    Resolved
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    May 1, 2024 – July 9, 2024

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    March 1, 2024 – March 31, 2024

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2024 – December 31, 2024

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    March 1, 2023 – July 9, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    March 1, 2023 – March 31, 2023

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    December 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    April 1, 2022 – April 30, 2022

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2022 – December 31, 2022

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    June 1, 2021 – May 1, 2022

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    June 1, 2021 – June 30, 2021

    Resolved
  • Treatment Technique, Level 1 Assessment (RTCR)

    Health-based

    Revised Total Coliform Rule

    December 1, 2019 – August 7, 2020

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    December 1, 2019 – May 4, 2022

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    December 1, 2019 – August 11, 2020

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    November 1, 2019 – November 30, 2019

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    November 1, 2019 – July 9, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    October 1, 2019 – October 31, 2019

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    October 1, 2019 – July 9, 2025

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    June 1, 2019 – July 9, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    June 1, 2019 – June 30, 2019

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    March 1, 2019 – July 9, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    March 1, 2019 – March 31, 2019

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

    Lead and Copper Rule

    January 1, 2017 – August 11, 2020

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    September 1, 2016 – September 30, 2016

    Resolved
  • Monitoring, Regular

    Nitrate

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2012 – August 31, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2012 – April 30, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2008 – August 31, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2008 – June 30, 2008

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2005 – March 31, 2005

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    July 1, 2004 – July 31, 2004

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 2004 – June 30, 2004

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    May 1, 2004 – May 31, 2004

    Resolved
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    February 1, 2004 – February 29, 2004

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2002 – November 30, 2002

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2002 – September 30, 2002

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2002 – August 18, 2006

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2001 – September 30, 2001

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2001 – August 18, 2006

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2001 – December 31, 2001

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2000 – August 18, 2006

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Asbestos

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Thallium, Total

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Nitrite

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    2,3,7,8-TCDD

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 1997 – December 31, 1997

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 1997 – November 30, 1997

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 1996 – November 30, 1996

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 1996 – October 31, 1996

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 1996 – April 30, 1996

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Nitrite

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Asbestos

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 1996 – December 31, 1996

    Resolved

Unaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

Contact

Arviso - Mobile Home Park

7607496376

Pauma Valley, CA 92061