Drinking Water Compliance OS

TUCSON, AZ · Pima County

METROPOLITAN DWID - HUB 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)
AZ0410060
System type
Community Water System
Population served
4,252
Service connections
1,705
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    Arsenic

    April 1, 2023 – June 30, 2023

    Resolved
  • Monitoring and Reporting (DBP)

    Chlorine

    January 1, 2016 – March 31, 2016

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    January 1, 2001 – December 31, 2001

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    July 1, 1980 – June 30, 1984

    Archived
  • Monitoring, Check/Repeat/Confirmation

    Cadmium

    June 24, 1980 – July 23, 1980

    Archived
  • Monitoring, Regular

    Cadmium

    June 24, 1980 – July 23, 1980

    Archived
  • Monitoring, Check/Repeat/Confirmation

    Cadmium

    January 18, 1980 – February 17, 1980

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Cadmium

    December 18, 1979 – January 17, 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

OLSEN, JOSEPH

520-209-2842

TUCSON, AZ 85704