Drinking Water Compliance OS

TUCSON, AZ · Santa Cruz County

SONOITA VALLEY (SOUTH) WATER COMPANY Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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 Arizona’s official records. Always confirm current status with Arizona before making decisions based on this information.

System facts

System ID (PWSID)
AZ0412005
System type
Community Water System
Population served
169
Service connections
59
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Public Notification Violation for NPDWR Violation

    Public Notice

    December 20, 2024

    Unaddressed
  • Public Notification Violation for NPDWR Violation

    Public Notice

    May 18, 2023 – June 30, 2023

    Resolved
  • Monitoring, Regular

    Combined Uranium

    July 1, 2021 – September 30, 2021

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    April 1, 2019 – June 30, 2019

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    October 1, 2015 – December 31, 2015

    Resolved
  • Monitoring, Regular

    Selenium

    April 1, 1988 – June 30, 1988

    Archived
  • Monitoring, Regular

    Mercury

    April 1, 1988 – June 30, 1988

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    April 1, 1988 – June 30, 1988

    Archived
  • Monitoring, Regular

    Nitrate

    April 1, 1988 – June 30, 1988

    Archived
  • Monitoring, Regular

    Barium

    April 1, 1988 – June 30, 1988

    Archived
  • Monitoring, Regular

    Cadmium

    April 1, 1988 – June 30, 1988

    Archived
  • Monitoring, Regular

    Chromium

    April 1, 1988 – June 30, 1988

    Archived
  • Monitoring, Regular

    Fluoride

    April 1, 1988 – June 30, 1988

    Archived
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    Benzene

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    Toluene

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    Styrene

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    Ethylbenzene

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    Trichloroethylene

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    Arsenic

    April 5, 1985 – April 3, 1988

    Archived

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

SONOITA VALLEY WATER COMPANY

520-624-1460

TUCSON, AZ 85754