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San Xavier West

Arizona — Community Water System — PWSID: 090400035

System Information

PWSID090400035
System NameSan Xavier West
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeNative American
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedFeb 2, 1984
Last ReportedDec 31, 2025

Location & Contact

StateArizona
CitySells
ZIP Code85634
AddressP.O. Box 816
OrganizationTOUA - Water, Wastewater, Propane Dept.
Phone5203835830

Population & Service

Population Served1,511
Service Connections394

Drinking Water Violations (45)

This water system has 45 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
Nov 1, 2024 Nov 30, 2024 Arsenic MR No Yes — 0.010 mg/L — Resolved Nov 30, 2024 Arsenic Rule
Nov 1, 2024 Nov 30, 2024 Arsenic MR No Yes — 0.010 mg/L — Resolved Nov 30, 2024 Arsenic Rule
Nov 1, 2024 Nov 30, 2024 Arsenic MR No Yes — 0.010 mg/L — Resolved Nov 30, 2024 Arsenic Rule
Oct 1, 2019 Dec 31, 2019 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2019 Radionuclides and Revised Rad Rule
Jan 1, 2006 Dec 31, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2006 Nitrate Rule
Jan 1, 2005 Dec 31, 2005 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2005 Nitrate Rule
Sep 1, 2004 Sep 30, 2004 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2004 Total Coliform Rule
Jan 1, 2004 Dec 31, 2004 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2004 Nitrate Rule
Jan 1, 2004 Dec 31, 2004 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Asbestos MR No Yes — 7 MFL — Resolved Dec 31, 2004 Inorganic Chemicals
Jan 1, 2004 Dec 31, 2004 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2004 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 LASSO MR No Yes — — — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Picloram MR No Yes — 0.5 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
May 1, 2001 May 31, 2001 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 2001 Total Coliform Rule
May 1, 2001 May 31, 2001 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 2001 Total Coliform Rule
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —

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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