Drinking Water Compliance OS

Sells, 09

Topawa Intertie 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)
090400001
System type
Community Water System
Population served
1,318
Service connections
292
Ownership
Native American tribal
Water source
groundwater (wells)

Violation history

  • Monitoring, Source Water (GWR)

    E. COLI

    July 1, 2019 – December 20, 2020

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Asbestos

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2004 – December 31, 2004

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    May 1, 2000 – May 31, 2000

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

TOUA - Water, Wastewater, Propane Dept.

5203835830

Sells, AZ 85634