Drinking Water Compliance OS

TUCSON, AZ · Pima County

VISTA DEL NORTE MHP 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)
AZ0420439
System type
Community Water System
Population served
554
Service connections
294
Ownership
public/private mix
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 1989 – December 31, 1989

    Archived
  • Monitoring, Regular

    Selenium

    October 1, 1988 – December 31, 1988

    Archived
  • Monitoring, Regular

    Barium

    October 1, 1988 – December 31, 1988

    Archived
  • Monitoring, Regular

    Cadmium

    October 1, 1988 – December 31, 1988

    Archived
  • Monitoring, Regular

    Chromium

    October 1, 1988 – December 31, 1988

    Archived
  • Monitoring, Regular

    Mercury

    October 1, 1988 – December 31, 1988

    Archived
  • Monitoring, Regular

    Nitrate

    October 1, 1988 – December 31, 1988

    Archived
  • Monitoring, Regular

    Fluoride

    October 1, 1988 – December 31, 1988

    Archived
  • Monitoring, Regular

    Arsenic

    October 11, 1985 – October 9, 1988

    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

No enforcement actions on record for this system.

Contact

WALSH, DENNIS OR JODY

520-887-5581

TUCSON, AZ 85719