Drinking Water Compliance OS

MAMMOTH, AZ · Pinal County

RIVER RANCH VILLAS MHP Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of January 1, 2000. 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 Pinal 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)
AZ0411384
System type
Community Water System
Population served
38
Service connections
30
Ownership
public/private mix
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    April 1, 1989 – June 30, 1989

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 31, 1988 – October 30, 1992

    Archived
  • Monitoring, Regular

    Arsenic

    November 1, 1987 – October 30, 1990

    Archived
  • Monitoring, Regular

    Cadmium

    November 1, 1987 – October 30, 1990

    Archived
  • Monitoring, Regular

    Fluoride

    November 1, 1987 – October 30, 1990

    Archived
  • Monitoring, Regular

    Chromium

    November 1, 1987 – October 30, 1990

    Archived
  • Monitoring, Regular

    Mercury

    November 1, 1987 – October 30, 1990

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Fluoride

    October 1, 1987 – December 31, 1987

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    July 1, 1980 – June 30, 1984

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Last known contact on file (system is inactive)

Not on record

Phone not on record

MAMMOTH, AZ 85618