Drinking Water Compliance OS

Sells, 09

San Xavier West 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)
090400035
System type
Community Water System
Population served
1,511
Service connections
394
Ownership
Native American tribal
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    —

    Arsenic

    November 1, 2025 – November 30, 2025

    Resolved

  • Monitoring, Regular

    —

    Arsenic

    October 1, 2025 – October 31, 2025

    Resolved

  • Monitoring, Regular

    —

    Arsenic

    August 1, 2025 – August 31, 2025

    Resolved

  • Monitoring, Regular

    —

    Arsenic

    November 1, 2024 – November 30, 2024

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Total Haloacetic Acids (HAA5)

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring and Reporting (DBP)

    —

    TTHM

    January 1, 2023 – December 31, 2025

    Archived

  • Monitoring, Regular

    —

    Combined Radium (-226 and -228)

    October 1, 2019 – December 31, 2019

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2006 – December 31, 2006

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2005 – December 31, 2005

    Resolved

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 2004 – September 30, 2004

    Resolved

  • Monitoring, Regular

    —

    Glyphosate

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) adipate

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Simazine

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Di(2-ethylhexyl) phthalate

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    2,3,7,8-TCDD

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    HEXACHLOROBENZENE

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Benzo(a)pyrene

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2-DIBROMO-3-CHLOROPROPANE

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    ETHYLENE DIBROMIDE

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Asbestos

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Endrin

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Dalapon

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Diquat

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Endothall

    January 1, 2004 – December 31, 2004

    Resolved

  • Monitoring and Reporting (DBP)

    —

    TTHM

    January 1, 2004 – December 31, 2004

    Resolved

  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    May 1, 2001 – May 31, 2001

    Resolved

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    May 1, 2001 – May 31, 2001

    Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

TOUA - Water, Wastewater, Propane Dept.

5203835830

Sells, AZ 85634