Drinking Water Compliance OS

Valley Center, 09

Rincon Northern 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)
090600147
System type
Community Water System
Population served
7,003
Service connections
183
Ownership
Native American tribal
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    November 1, 2016 – November 30, 2016

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    August 1, 2013 – September 1, 2013

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    September 1, 2007 – September 30, 2007

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    November 1, 2006 – November 30, 2006

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    November 1, 2005 – November 30, 2005

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2005 – August 31, 2005

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    November 1, 2004 – November 30, 2004

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    October 1, 2004 – October 31, 2004

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    August 1, 2004 – August 31, 2004

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2004 – August 18, 2006

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    July 1, 2004 – July 31, 2004

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    October 1, 2003 – October 31, 2003

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    June 1, 2003 – June 30, 2003

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2003 – December 31, 2003

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2001 – November 30, 2001

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    October 1, 2001 – October 31, 2001

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 2001 – December 31, 2001

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 2000 – July 31, 2000

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2000 – August 18, 2006

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    May 1, 2000 – May 31, 2000

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2000 – December 31, 2000

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    June 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Atrazine

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    LASSO

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    2,3,7,8-TCDD

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Heptachlor

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    2,4,5-TP

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    HEXACHLOROBENZENE

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Benzo(a)pyrene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Pentachlorophenol

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    2,4-D

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Nitrite

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Thallium, Total

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Asbestos

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Methoxychlor

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Toxaphene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Dalapon

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Diquat

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Endothall

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Glyphosate

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) adipate

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    OXAMYL

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Simazine

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Di(2-ethylhexyl) phthalate

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Picloram

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Dinoseb

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Hexachlorocyclopentadiene

    January 1, 1998 – December 31, 1998

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 1997 – August 31, 1997

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 1997 – June 30, 1997

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 1996 – September 30, 1996

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 1996 – June 30, 1996

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 1996 – May 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

    Asbestos

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Nitrite

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    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

    Pentachlorophenol

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 1992 – March 31, 1992

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

Rincon Band of Luiseno Indians

7607491051

Valley Center, CA 92082