Drinking Water Compliance OS

Lemoore, 09

Santa Rosa 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)
090600148
System type
Community Water System
Population served
1,000
Service connections
251
Ownership
Native American tribal
Water source
groundwater (wells)

Violation history

  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2025 – September 18, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    April 1, 2025 – April 30, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2025 – June 30, 2025

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    April 1, 2025 – December 10, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    March 1, 2025 – March 31, 2025

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    March 1, 2025 – December 10, 2025

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    February 1, 2025 – December 10, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    February 1, 2025 – February 28, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    November 1, 2024 – November 30, 2024

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    October 1, 2024 – October 31, 2024

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2024 – December 31, 2024

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    September 1, 2024 – August 25, 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 – August 25, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    August 1, 2024 – August 31, 2024

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2024 – September 30, 2024

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    June 1, 2024 – June 30, 2024

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    June 1, 2024 – August 25, 2025

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    April 1, 2024 – August 25, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    April 1, 2024 – April 30, 2024

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2024 – December 31, 2024

    Archived
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2024 – December 31, 2024

    Archived
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2023 – December 18, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2023 – August 29, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2023 – June 30, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2023 – December 31, 2023

    Archived
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2023 – December 31, 2023

    Archived
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2022 – May 24, 2022

    Resolved
  • Monitoring, Routine (IDSE)

    Total Haloacetic Acids (HAA5)

    January 1, 2021 – December 31, 2021

    Resolved
  • Monitoring, Routine (IDSE)

    TTHM

    January 1, 2021 – December 31, 2021

    Resolved
  • Monitoring, Routine (IDSE)

    Total Haloacetic Acids (HAA5)

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Routine (IDSE)

    TTHM

    January 1, 2017 – December 31, 2017

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 2015 – August 31, 2015

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2014 – March 31, 2014

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2013 – November 30, 2013

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2013 – September 30, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    July 1, 2013 – September 30, 2013

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2013 – June 30, 2013

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2013 – March 31, 2013

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2012 – December 31, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2012 – September 30, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2012 – June 30, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2012 – March 31, 2012

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2011 – December 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2011 – September 30, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2011 – June 30, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2011 – March 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2010 – December 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2010 – September 30, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2010 – June 30, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2010 – March 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2009 – December 31, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2009 – September 30, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2009 – June 30, 2009

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2009 – March 31, 2009

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    October 1, 2008 – December 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2008 – December 31, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    July 1, 2008 – September 30, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2008 – June 30, 2008

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2008 – March 31, 2008

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2008 – December 31, 2010

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2007 – December 31, 2007

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2006 – December 31, 2006

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2005 – August 18, 2006

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2005 – December 31, 2005

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2004 – August 18, 2006

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    2,3,7,8-TCDD

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Dinoseb

    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

    OXAMYL

    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

    Endothall

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 2002 – September 30, 2002

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    August 1, 2002 – August 31, 2002

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2002 – January 17, 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 18, 2006

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2000 – August 18, 2006

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

    Lead and Copper Rule

    January 1, 2000 – November 29, 2007

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2000 – January 31, 2000

    Resolved
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    July 1, 1999 – July 31, 1999

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 1999 – April 30, 1999

    Resolved
  • Monitoring, Regular

    Radium-226

    January 1, 1999 – December 31, 1999

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 1998 – December 31, 1998

    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 – February 24, 2004

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 1996 – June 30, 1996

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 1996 – April 30, 1996

    Resolved
  • Monitoring, Regular

    Carbofuran

    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

    2,4-D

    January 1, 1996 – December 31, 1996

    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 24, 2004

    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, Repeat Minor (TCR)

    Coliform (TCR)

    May 1, 1991 – May 31, 1991

    Resolved

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

Enforcement actions

Contact

Santa Rosa Rancheria

5599241278

Lemoore, CA 93245