Drinking Water Compliance OS

EL MIRAGE, AZ · Maricopa County

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

System facts

System ID (PWSID)
AZ0407121
System type
Community Water System
Population served
5,330
Service connections
3,046
Ownership
public/private mix
Water source
groundwater (wells)

Violation history

  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2012 – June 28, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2012 – December 31, 2012

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2011 – June 28, 2013

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2009 – December 31, 2009

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    December 1, 1991 – December 31, 1991

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    July 1, 1988 – September 30, 1988

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Fluoride

    January 14, 1981 – March 13, 1981

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Fluoride

    June 5, 1980 – August 4, 1980

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Fluoride

    June 4, 1980 – August 3, 1980

    Archived

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

Enforcement actions

Contact

DIDOMIZIO, TOM

623-445-2431

EL MIRAGE, AZ 85335