Drinking Water Compliance OS

San Carlos, 09

SCUA Upper Peridot Water System

Current status

3 open health-based violations on record as of July 4, 2026, alongside 1 other open item(s). See the violation history below for contaminant and status details.

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)
090400242
System type
Community Water System
Population served
275
Service connections
106
Ownership
Native American tribal
Water source
groundwater (wells)

Violation history

  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    November 28, 2025

    Unaddressed
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    November 28, 2025

    Unaddressed
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    November 28, 2025

    Unaddressed
  • Monitoring, Regular

    Arsenic

    October 1, 2025 – December 31, 2025

    Archived
  • Notification, Known or Potential LSL

    LEAD AND COPPER RULE REVISIONS

    November 16, 2024

    Unaddressed
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    January 19, 2024 – September 25, 2025

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    January 19, 2024 – June 10, 2025

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    January 19, 2024 – June 10, 2025

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    January 19, 2024 – July 13, 2025

    Resolved
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    February 1, 2023 – May 24, 2023

    Resolved
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    August 1, 2022 – October 7, 2011

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    July 1, 2022 – December 13, 2022

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    November 1, 2019 – April 1, 2020

    Resolved
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    March 1, 2019 – June 6, 2019

    Resolved
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    February 1, 2019 – June 6, 2019

    Resolved
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    January 1, 2019 – June 6, 2019

    Resolved
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    December 1, 2018 – April 20, 2019

    Resolved
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    November 1, 2018 – April 20, 2019

    Resolved
  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    October 1, 2018 – April 20, 2019

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    September 1, 2018 – April 11, 2019

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2018 – December 31, 2018

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    March 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    December 1, 2015 – December 31, 2015

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    November 1, 2015 – November 30, 2015

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    October 1, 2015 – October 31, 2015

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2015 – July 30, 2016

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    June 1, 2015 – June 30, 2015

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    May 1, 2015 – May 31, 2015

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    April 1, 2015 – April 30, 2015

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2015 – March 31, 2015

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    September 1, 2014 – September 30, 2014

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    August 1, 2014 – August 31, 2014

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    July 1, 2014 – July 31, 2014

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    September 1, 2013 – September 30, 2013

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    June 1, 2013 – June 30, 2013

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    May 1, 2013 – May 31, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2013 – April 30, 2013

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    March 1, 2013 – March 31, 2013

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    January 1, 2013 – January 31, 2013

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    October 1, 2012 – October 16, 2013

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    October 1, 2012 – October 31, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2012 – September 30, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2012 – August 31, 2012

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2012 – March 18, 2013

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    June 1, 2012 – June 30, 2012

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    March 1, 2012 – March 31, 2012

    Resolved
  • Monitoring, Regular

    Arsenic

    October 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2011 – January 1, 2002

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2011 – January 1, 2002

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

    Lead and Copper Rule

    January 1, 2011 – July 5, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2010 – December 31, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2010 – November 30, 2010

    Resolved
  • Monitoring, Regular

    Arsenic

    October 1, 2010 – January 1, 2002

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2010 – October 31, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2010 – September 30, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2010 – August 31, 2010

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

    Lead and Copper Rule

    July 1, 2010 – July 5, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2010 – July 31, 2010

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2010 – March 18, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2010 – May 31, 2010

    Resolved
  • Monitoring, Regular

    Arsenic

    April 1, 2010 – January 1, 2002

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2010 – April 30, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2010 – March 31, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2010 – February 28, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 2010 – January 31, 2010

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2010 – January 1, 2002

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2010 – December 31, 2010

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

    Lead and Copper Rule

    January 1, 2010 – July 5, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2009 – December 31, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2009 – November 30, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2009 – October 31, 2009

    Resolved
  • Monitoring, Regular

    Arsenic

    October 1, 2009 – January 1, 2002

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2009 – August 31, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2009 – July 31, 2009

    Resolved
  • Monitoring, Regular

    Arsenic

    July 1, 2009 – September 30, 2009

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

    Lead and Copper Rule

    July 1, 2009 – July 5, 2012

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2009 – March 18, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2009 – May 31, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2009 – April 30, 2009

    Resolved
  • Monitoring, Regular

    Arsenic

    April 1, 2009 – June 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, Regular

    Nitrate

    January 1, 2009 – December 31, 2009

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

    Lead and Copper Rule

    January 1, 2009 – October 28, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 2009 – January 31, 2009

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    November 1, 2008 – November 30, 2008

    Resolved
  • Monitoring, Regular

    Arsenic

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    October 1, 2008 – October 31, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2008 – August 31, 2008

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2008 – March 18, 2013

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    July 1, 2008 – July 31, 2008

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    December 1, 2007 – December 31, 2007

    Resolved
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    November 1, 2007 – November 30, 2007

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    October 1, 2007 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 2007 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Combined Uranium

    October 1, 2007 – December 31, 2007

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    March 1, 2007 – March 31, 2007

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2007 – December 31, 2007

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    December 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    November 1, 2006 – November 30, 2006

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    August 1, 2006 – August 31, 2006

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    July 1, 2006 – July 31, 2006

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2006 – April 26, 2007

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2006 – May 31, 2006

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2006 – February 28, 2006

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    June 1, 2005 – June 30, 2005

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    November 1, 2004 – November 30, 2004

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 2004 – October 31, 2004

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    September 1, 2004 – September 30, 2004

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    August 1, 2004 – August 31, 2004

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2004 – November 3, 2005

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2004 – April 30, 2004

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Thallium, Total

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2004 – December 31, 2004

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 2002 – October 31, 2002

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2002 – January 28, 2005

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2002 – December 31, 2002

    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 – January 28, 2005

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2001 – May 31, 2001

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2001 – February 28, 2001

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2000 – December 31, 2000

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2000 – November 30, 2000

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2000 – September 30, 2000

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2000 – June 30, 2000

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2000 – March 31, 2000

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    September 1, 1997 – September 30, 1997

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 1996 – October 31, 1996

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 1996 – September 30, 1996

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    July 1, 1996 – July 5, 2012

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 1996 – December 31, 1996

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    January 1, 1996 – July 5, 2012

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Aldicarb

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Aldicarb sulfone

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Aldicarb sulfoxide

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 1993 – August 31, 1993

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Aldicarb

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Aldicarb sulfone

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Aldicarb sulfoxide

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 1993 – December 31, 1995

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 1992 – July 31, 1992

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    June 1, 1992 – June 30, 1992

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 1992 – March 31, 1992

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 1992 – February 29, 1992

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 1992 – January 31, 1992

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 1991 – December 31, 1991

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 1991 – November 30, 1991

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 1991 – October 31, 1991

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 1991 – September 30, 1991

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 1991 – August 31, 1991

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 1991 – July 31, 1991

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 1991 – June 30, 1991

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 1991 – May 31, 1991

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 1991 – April 30, 1991

    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

San Carlos Apache Tribe

9284752631

San Carlos, AZ 85550