Drinking Water Compliance OS

Point Arena, 09

Manchester Rancheria 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 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)
090600139
System type
Community Water System
Population served
100
Service connections
25
Ownership
Native American tribal
Water source
groundwater (wells)

Violation history

  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2022 – May 20, 2022

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    March 1, 2022 – March 31, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2021 – December 31, 2021

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2021 – July 14, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2021 – June 2, 2021

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    November 1, 2020 – January 11, 2021

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    January 1, 2020 – January 31, 2020

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    January 1, 2020 – January 4, 2021

    Resolved
  • Treatment Technique No Certif. Operator

    Health-based

    Stage 1 Disinfectants and Disinfection Byproducts Rule

    October 1, 2019 – April 27, 2021

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2019 – June 30, 2020

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    February 1, 2019 – February 28, 2019

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    August 1, 2018 – August 31, 2018

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    August 1, 2018 – January 4, 2021

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2018 – June 30, 2020

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    July 1, 2018 – July 31, 2018

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    July 1, 2018 – January 4, 2021

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2018 – December 31, 2018

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    October 4, 2017 – August 14, 2020

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    October 4, 2017 – August 14, 2020

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    October 4, 2017 – August 14, 2020

    Resolved
  • Failure To Address Deficiency

    Health-based

    Groundwater Rule

    October 4, 2017 – August 14, 2020

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

    Lead and Copper Rule

    January 1, 2017 – October 6, 2020

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    2,3,7,8-TCDD

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 2011 – December 31, 2013

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2011 – December 31, 2019

    Resolved
  • Monitoring, Regular

    Combined Uranium

    January 1, 2011 – December 31, 2019

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    July 1, 2010 – September 30, 2010

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2010 – June 10, 2011

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    April 1, 2010 – June 30, 2010

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    January 1, 2010 – March 31, 2010

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    October 1, 2009 – December 31, 2009

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    July 1, 2009 – September 30, 2009

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2009 – June 10, 2011

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2009 – December 31, 2009

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    January 1, 2009 – March 31, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    October 1, 2008 – December 31, 2008

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2008 – August 22, 2011

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    April 1, 2008 – June 30, 2008

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

    Lead and Copper Rule

    January 1, 2008 – July 3, 2013

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    January 1, 2008 – March 31, 2008

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2007 – December 31, 2007

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    October 1, 2007 – October 31, 2007

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    September 1, 2007 – September 30, 2007

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2006 – August 22, 2011

    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 Major (TCR)

    Coliform (TCR)

    February 1, 2005 – February 28, 2005

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 2005 – January 31, 2005

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2004 – October 31, 2004

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2004 – August 31, 2005

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    February 1, 2004 – February 29, 2004

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    January 1, 2004 – January 31, 2004

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    December 1, 2002 – December 31, 2002

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    November 1, 2002 – November 30, 2002

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2002 – October 31, 2002

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    September 1, 2002 – September 30, 2002

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2002 – August 31, 2005

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2002 – May 31, 2002

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2002 – December 31, 2002

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2001 – November 30, 2001

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2001 – August 31, 2005

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2001 – June 30, 2001

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Methoxychlor

    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
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2000 – August 31, 2005

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2000 – December 31, 2000

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 1999 – September 30, 1999

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 1999 – December 31, 1999

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    November 1, 1998 – November 30, 1998

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    October 1, 1998 – October 31, 1998

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 1998 – December 31, 1998

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    July 1, 1996 – February 4, 2005

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 1996 – December 31, 1996

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    January 1, 1996 – February 4, 2005

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Nitrate-Nitrite

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Repeat 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, Repeat Minor (TCR)

    Coliform (TCR)

    May 1, 1991 – May 31, 1991

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    April 1, 1991 – April 30, 1991

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 1991 – February 28, 1991

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 1991 – January 31, 1991

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

Manchester /Point Arena Band of Pomo Indian

7078822788

Point Arena, CA 95468