Drinking Water Compliance OS

TUCSON, AZ · Pima County

MARANA MUNICIPAL- LA PUERTA Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of March 10, 2009. 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 Pima 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)
AZ0410072
System type
Community Water System
Population served
226
Service connections
81
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    December 1, 1991 – December 31, 1991

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 1991 – November 30, 1991

    Archived
  • Monitoring, Regular

    Chromium

    February 29, 1988 – February 27, 1991

    Archived
  • Monitoring, Regular

    Barium

    February 29, 1988 – February 27, 1991

    Archived
  • Monitoring, Regular

    Selenium

    February 29, 1988 – February 27, 1991

    Archived
  • Monitoring, Regular

    Mercury

    February 29, 1988 – February 27, 1991

    Archived
  • Monitoring, Regular

    Fluoride

    February 29, 1988 – February 27, 1991

    Archived
  • Monitoring, Regular

    Nitrate

    February 29, 1988 – February 27, 1991

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    July 1, 1980 – June 30, 1984

    Archived
  • Monitoring, Check/Repeat/Confirmation

    Nitrate

    March 11, 1980 – April 10, 1980

    Archived
  • Monitoring, Regular

    Nitrate

    January 11, 1980 – February 10, 1980

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    December 11, 1979 – February 10, 1980

    Archived
  • Monitoring, Check/Repeat/Confirmation

    Nitrate

    December 11, 1979 – January 10, 1980

    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.

Last known contact on file (system is inactive)

MARANA CITY OF

520-382-2570

TUCSON, AZ 85743-9746