Drinking Water Compliance OS

Valley Center, 09

San Pasqual District A 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)
090605017
System type
Community Water System
Population served
1,225
Service connections
152
Ownership
Native American tribal
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Monitoring, Regular

    Combined Radium (-226 and -228)

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Combined Uranium

    January 1, 2025 – March 31, 2025

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    July 1, 2023 – September 30, 2023

    Resolved
  • Monitoring, Regular

    Arsenic

    July 1, 2022 – September 30, 2022

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    June 1, 2022 – June 15, 2022

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    July 1, 2021 – July 31, 2021

    Resolved
  • Monitoring, Regular

    2,3,7,8-TCDD

    January 1, 2020 – December 31, 2020

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2010 – December 31, 2010

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    June 1, 2009 – June 30, 2009

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    May 1, 2009 – May 31, 2009

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2007 – January 21, 2010

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2006 – January 21, 2010

    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
  • Monitoring, Regular

    Nitrate

    January 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2005 – December 31, 2005

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2004 – August 4, 2004

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2003 – December 31, 2003

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2002 – January 21, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2002 – July 31, 2002

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2002 – June 30, 2002

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2002 – February 28, 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 – January 21, 2010

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2000 – January 21, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2000 – February 29, 2000

    Resolved
  • Monitoring, Regular

    Radium-226

    January 1, 1999 – December 31, 1999

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 1998 – March 31, 1998

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Regular

    Nitrite

    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

    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
  • 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

    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

    1,1-Dichloroethylene

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 1997 – March 31, 1997

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    November 1, 1996 – November 30, 1996

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 1996 – June 30, 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

    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
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Endrin

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Asbestos

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Nitrite

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    Chlordane

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 1996 – December 31, 1996

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

San Pasqual Band of Mission Indians

7607493200

Valley Center, CA 92082