Public Water Partners

LAKESIDE, AZ · Navajo County

PORTER MOUNTAIN DWID Water System

Consumer Confidence Report status

PORTER MOUNTAIN DWID must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show 1 item for PORTER MOUNTAIN DWID that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
AZ0409024
System type
Community Water System
Population served
322
Service connections
140
Ownership
privately owned
Water source
groundwater (wells)

PORTER MOUNTAIN DWID is one of 1,189 community water systems in Arizona in the 500 or fewer people size category, serving 322 people from groundwater.

As of August 1, 2026, its federal record holds 24 entries between 1987 and 2025, of which 1 remains open; none are health-based.

Of the 24, 23 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals, inorganic chemicals, and the Stage 1 Disinfectants and Disinfection Byproducts Rule.

Violation history

  • Monitoring and Reporting (DBP)

    —

    Chlorine

    February 1, 2025 – February 28, 2025

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Chlorine

    July 1, 2022 – September 30, 2022

    Resolved

  • Public Notification Violation for NPDWR Violation

    —

    Public Notice

    February 22, 2021

    Unaddressed

  • Monitoring and Reporting (DBP)

    —

    Chlorine

    July 1, 2014 – September 30, 2014

    Resolved

  • Monitoring, Regular

    —

    Cadmium

    March 31, 1989 – March 30, 1992

    Archived

  • Monitoring, Regular

    —

    Chromium

    March 31, 1989 – March 30, 1992

    Archived

  • Monitoring, Regular

    —

    Fluoride

    March 31, 1989 – March 30, 1992

    Archived

  • Monitoring, Regular

    —

    Mercury

    March 31, 1989 – March 30, 1992

    Archived

  • Monitoring, Regular

    —

    Nitrate

    March 31, 1989 – March 30, 1992

    Archived

  • Monitoring, Regular

    —

    Arsenic

    March 31, 1989 – March 30, 1992

    Archived

  • Monitoring, Regular

    —

    Barium

    March 31, 1989 – March 30, 1992

    Archived

  • Monitoring, Regular

    —

    Gross Alpha, Excl. Radon and U

    July 1, 1988 – September 30, 1988

    Archived

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 1987 – January 1, 1992

    Archived

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    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

    —

    Trichloroethylene

    January 1, 1987 – January 1, 1992

    Archived

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    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

    —

    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

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Common questions

Is PORTER MOUNTAIN DWID required to publish a Consumer Confidence Report?

Yes. PORTER MOUNTAIN DWID is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is PORTER MOUNTAIN DWID’s next Consumer Confidence Report due?

PORTER MOUNTAIN DWID’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does PORTER MOUNTAIN DWID have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 1 item for PORTER MOUNTAIN DWID that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

WUERTZ, CAROLYN

520-977-9439

LAKESIDE, AZ 85929