Drinking Water Compliance OS

YUMA, AZ · Yuma County

TACNA WATER MANAGEMENT COMPANY Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of August 5, 2025. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Yuma County, AZ.

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)
AZ0414018
System type
Community Water System
Population served
1
Service connections
1
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    July 1, 2023 – September 30, 2023

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    July 1, 2015 – September 30, 2015

    Archived
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    July 1, 2013 – September 30, 2013

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    April 1, 2013 – June 30, 2013

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2013 – December 31, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2012 – December 31, 2012

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2011 – December 31, 2011

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2010 – March 31, 2010

    Resolved
  • Monitoring, Regular

    Chromium

    April 30, 1989 – April 29, 1992

    Archived
  • Monitoring, Regular

    Selenium

    April 30, 1989 – April 29, 1992

    Archived
  • Monitoring, Regular

    Mercury

    April 30, 1989 – April 29, 1992

    Archived
  • Monitoring, Regular

    Fluoride

    April 30, 1989 – April 29, 1992

    Archived
  • Monitoring, Regular

    Cadmium

    April 30, 1989 – April 29, 1992

    Archived
  • Monitoring, Regular

    Nitrate

    April 30, 1989 – April 29, 1992

    Archived
  • Monitoring, Regular

    Arsenic

    April 30, 1989 – April 29, 1992

    Archived
  • Monitoring, Regular

    Barium

    April 30, 1989 – April 29, 1992

    Archived
  • Monitoring, Regular

    Mercury

    January 1, 1989 – March 31, 1989

    Archived
  • Monitoring, Regular

    Selenium

    January 1, 1989 – March 31, 1989

    Archived
  • Monitoring, Regular

    Nitrate

    January 1, 1989 – March 31, 1989

    Archived
  • Monitoring, Regular

    Cadmium

    January 1, 1989 – March 31, 1989

    Archived
  • Monitoring, Regular

    Barium

    January 1, 1989 – March 31, 1989

    Archived
  • Monitoring, Regular

    Chromium

    January 1, 1989 – March 31, 1989

    Archived
  • Monitoring, Regular

    Fluoride

    January 1, 1989 – March 31, 1989

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    July 1, 1987 – September 30, 1987

    Archived
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 1987 – January 1, 1992

    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

    Ethylbenzene

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    Styrene

    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

    1,1,1-Trichloroethane

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    Trichloroethylene

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    Arsenic

    January 14, 1986 – January 12, 1989

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Fluoride

    July 19, 1983 – November 18, 1983

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    July 1, 1980 – June 30, 1984

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Fluoride

    April 9, 1980 – July 8, 1980

    Archived

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

Enforcement actions

Last known contact on file (system is inactive)

SIMPSON, DAWN

928-341-9685

YUMA, AZ 85365