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San Pasqual District A

California — Community Water System — PWSID: 090605017

System Information

PWSID090605017
System NameSan Pasqual District A
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeNative American
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedFeb 2, 1984
Last ReportedDec 31, 2025

Location & Contact

StateCalifornia
CityValley Center
ZIP Code92082
AddressP. O. Box 365
OrganizationSan Pasqual Band of Mission Indians
Phone7607493200

Population & Service

Population Served1,225
Service Connections152

Drinking Water Violations (226)

This water system has 226 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jan 1, 2025 Mar 31, 2025 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Uranium MR No Yes — 30 ug/L — Resolved Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Mar 31, 2025 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2022 Sep 30, 2022 Arsenic MR No Yes — 0.010 mg/L — Resolved Sep 30, 2022 Arsenic Rule
Jun 1, 2022 Jun 30, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 15, 2022 Revised Total Coliform Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Jan 1, 2020 Dec 31, 2022 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Dec 31, 2020 Synthetic Organic Chemicals
Jan 1, 2010 Dec 31, 2010 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2010 Nitrate Rule
Jun 1, 2009 Jun 30, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2009 Total Coliform Rule
May 1, 2009 May 31, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 2009 Total Coliform Rule
Jul 1, 2007 — Consumer Confidence Rule Other No No — — — Resolved Jan 21, 2010 Consumer Confidence Rule
Jul 1, 2006 — Consumer Confidence Rule Other No No — — — Resolved Jan 21, 2010 Consumer Confidence Rule
Jan 1, 2006 Dec 31, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2006 Nitrate Rule
Jan 1, 2006 Dec 31, 2006 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2006 Dec 31, 2006 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2005 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2005 Nitrate Rule
Jul 1, 2004 — Consumer Confidence Rule Other No No — — — Resolved Aug 4, 2004 Consumer Confidence Rule
Jan 1, 2004 Dec 31, 2004 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2003 Dec 31, 2003 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2003 Nitrate Rule
Jul 1, 2002 Jul 31, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2002 Total Coliform Rule
Jul 1, 2002 — Consumer Confidence Rule Other No No — — — Resolved Jan 21, 2010 Consumer Confidence Rule
Jun 1, 2002 Jun 30, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2002 Total Coliform Rule
Feb 1, 2002 Feb 28, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2002 Total Coliform Rule
Jan 1, 2002 Dec 31, 2002 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2002 Nitrate Rule
Nov 1, 2001 Nov 30, 2001 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2001 Total Coliform Rule
Jul 1, 2001 — Consumer Confidence Rule Other No No — — — Resolved Jan 21, 2010 Consumer Confidence Rule
Jul 1, 2000 — Consumer Confidence Rule Other No No — — — Resolved Jan 21, 2010 Consumer Confidence Rule
Feb 1, 2000 Feb 29, 2000 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2000 Total Coliform Rule
Jan 1, 1999 Dec 31, 1999 Radium-226 MR No Yes — — — Resolved Dec 31, 1999 Radionuclides and Revised Rad Rule
Mar 1, 1998 Mar 31, 1998 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 1998 Total Coliform Rule
Jan 1, 1998 Dec 31, 1998 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 CYANIDE MR No Yes — 0.2 mg/L — Resolved Dec 31, 1998 Inorganic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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