Drinking Water Compliance OS

Hopland, 09

Shanel Tribal Utility District 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)
090600133
System type
Community Water System
Population served
250
Service connections
96
Ownership
Native American tribal
Water source
groundwater (wells)

Violation history

  • Report Sample Result/Fail Monitor (RTCR)

    Revised Total Coliform Rule

    August 1, 2025 – September 18, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2025 – June 30, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2023 – May 30, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2023 – September 18, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2023 – September 18, 2025

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2022 – December 31, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2022 – August 23, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    November 1, 2021 – November 30, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2021 – December 31, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring, Routine (IDSE)

    TTHM

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Routine (IDSE)

    Total Haloacetic Acids (HAA5)

    January 1, 2020 – December 31, 2022

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    January 1, 2017 – January 31, 2017

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2015 – March 31, 2015

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    April 1, 2009 – June 30, 2009

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2009 – March 31, 2009

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    January 1, 2009 – March 31, 2009

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    July 1, 2008 – September 30, 2008

    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, Regular

    Combined Radium (-226 and -228)

    October 1, 2007 – December 31, 2007

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2007 – December 31, 2007

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2007 – December 31, 2007

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2007 – December 31, 2007

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    July 1, 2006 – July 31, 2006

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2006 – March 23, 2007

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    December 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    July 1, 2005 – July 31, 2005

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 2005 – June 30, 2005

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2004 – March 23, 2007

    Resolved
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    June 1, 2003 – June 30, 2003

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 2002 – October 31, 2002

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    October 1, 2002 – October 31, 2002

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2002 – March 23, 2007

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2002 – December 31, 2002

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    December 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    July 1, 2001 – July 31, 2001

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2001 – March 23, 2007

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2001 – March 31, 2001

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Thallium, Total

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Simazine

    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

    Dinoseb

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    October 1, 2000 – October 31, 2000

    Resolved
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    September 1, 2000 – September 30, 2000

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2000 – March 21, 2007

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2000 – December 31, 2000

    Resolved
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    September 1, 1999 – September 30, 1999

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 1999 – March 31, 1999

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    July 1, 1998 – February 3, 2005

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    October 1, 1997 – October 31, 1997

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    September 1, 1997 – September 30, 1997

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 1996 – July 31, 1996

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 1996 – June 30, 1996

    Resolved
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    June 1, 1996 – June 30, 1996

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    March 1, 1996 – March 31, 1996

    Resolved
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    March 1, 1996 – March 31, 1996

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    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

    Heptachlor epoxide

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 1996 – December 31, 1996

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    January 1, 1996 – February 3, 2005

    Resolved
  • Monitoring, Regular

    Nitrate-Nitrite

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Toluene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Benzene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    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

    1,2-Dichloroethane

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    March 1, 1992 – March 31, 1992

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 1992 – February 29, 1992

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

Hopland Rancheria

7074722100

Hopland, CA 95449