Drinking Water Compliance OS

ST JOHNS, AZ · Apache County

MOUNTAIN VIEW WATER COMP Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of June 1, 2003. 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 Apache 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)
AZ0401033
System type
Community Water System
Population served
150
Service connections
56
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 1991 – December 31, 1991

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Combined Radium (-226 and -228)

    November 16, 1991 – November 15, 1995

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Gross Alpha, Excl. Radon and U

    November 16, 1991 – November 15, 1995

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Gross Alpha, Excl. Radon and U

    November 16, 1991 – November 15, 1995

    Archived
  • Monitoring, Check/Repeat/Confirmation

    Arsenic

    February 28, 1991 – February 27, 1994

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    April 1, 1988 – June 30, 1988

    Archived
  • Monitoring, Regular

    Chromium

    February 29, 1988 – February 27, 1991

    Archived
  • Monitoring, Regular

    Cadmium

    February 29, 1988 – February 27, 1991

    Archived
  • Monitoring, Regular

    Mercury

    February 29, 1988 – February 27, 1991

    Archived
  • Monitoring, Regular

    Barium

    February 29, 1988 – February 27, 1991

    Archived
  • Monitoring, Regular

    Fluoride

    February 29, 1988 – February 27, 1991

    Archived
  • Monitoring, Regular

    Arsenic

    February 29, 1988 – February 27, 1991

    Archived
  • Monitoring, Regular

    Nitrate

    February 29, 1988 – February 27, 1991

    Archived
  • Monitoring, Regular

    Selenium

    February 29, 1988 – February 27, 1991

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    November 16, 1987 – November 15, 1991

    Archived
  • Monitoring, Regular

    Selenium

    July 1, 1987 – September 30, 1987

    Archived
  • Monitoring, Regular

    Chromium

    July 1, 1987 – September 30, 1987

    Archived
  • Monitoring, Regular

    Barium

    July 1, 1987 – September 30, 1987

    Archived
  • Monitoring, Regular

    Cadmium

    July 1, 1987 – September 30, 1987

    Archived
  • Monitoring, Regular

    Mercury

    July 1, 1987 – September 30, 1987

    Archived
  • Monitoring, Regular

    Nitrate

    July 1, 1987 – September 30, 1987

    Archived
  • Monitoring, Regular

    Fluoride

    July 1, 1987 – September 30, 1987

    Archived
  • Monitoring, Regular

    Ethylbenzene

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    Styrene

    January 1, 1987 – January 1, 1992

    Archived
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    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

    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

    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

    Arsenic

    August 18, 1984 – August 17, 1987

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Fluoride

    March 9, 1981 – May 8, 1981

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Fluoride

    July 9, 1980 – August 8, 1980

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Fluoride

    June 30, 1980 – August 29, 1980

    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

ST JOHNS, AZ 85936