Is MARICOPA MOUNTAIN DWID 2 required to publish a Consumer Confidence Report?

Yes. MARICOPA MOUNTAIN DWID 2 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 MARICOPA MOUNTAIN DWID 2’s next Consumer Confidence Report due?

MARICOPA MOUNTAIN DWID 2’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

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.

MARICOPA, AZ · Pinal County

MARICOPA MOUNTAIN DWID 2 Water System

Consumer Confidence Report status

MARICOPA MOUNTAIN DWID 2 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 no open violations for MARICOPA MOUNTAIN DWID 2.

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): AZ0411322
System type: Community Water System
Population served: 120
Service connections: 1
Ownership: privately owned
Water source: groundwater (wells)

MARICOPA MOUNTAIN DWID 2 is one of 1,189 community water systems in Arizona in the 500 or fewer people size category, serving 120 people from groundwater.

As of August 1, 2026, its federal record holds 18 entries between 1980 and 1988, all of which EPA lists as closed. Nothing has been added since 1988.

Of the 18, 15 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 inorganic chemicals and the Radionuclides and Revised Rad Rule.

Violation history

Monitoring, Regular
—
Fluoride
March 31, 1988 – March 30, 1991
Archived
Monitoring, Regular
—
Nitrate
March 31, 1988 – March 30, 1991
Archived
Monitoring, Regular
—
Chromium
March 31, 1988 – March 30, 1991
Archived
Monitoring, Regular
—
Mercury
March 31, 1988 – March 30, 1991
Archived
Monitoring, Regular
—
Arsenic
March 31, 1988 – March 30, 1991
Archived
Monitoring, Regular
—
Cadmium
March 31, 1988 – March 30, 1991
Archived
Monitoring, Regular
—
Mercury
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Fluoride
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Nitrate
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Barium
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Cadmium
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Chromium
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Selenium
January 1, 1988 – March 31, 1988
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Gross Alpha, Excl. Radon and U
July 1, 1987 – September 30, 1987
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Gross Alpha, Excl. Radon and U
January 26, 1987 – January 25, 1991
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Gross Alpha, Excl. Radon and U
January 26, 1987 – January 25, 1991
Archived
Monitoring, Regular
—
Arsenic
March 5, 1985 – March 3, 1988
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 1, 1980 – August 31, 1980
Archived

Archived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
March 31, 1988 – March 30, 1991	Monitoring, Regular	Fluoride	—	Archived
March 31, 1988 – March 30, 1991	Monitoring, Regular	Nitrate	—	Archived
March 31, 1988 – March 30, 1991	Monitoring, Regular	Chromium	—	Archived
March 31, 1988 – March 30, 1991	Monitoring, Regular	Mercury	—	Archived
March 31, 1988 – March 30, 1991	Monitoring, Regular	Arsenic	—	Archived
March 31, 1988 – March 30, 1991	Monitoring, Regular	Cadmium	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Mercury	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Fluoride	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Nitrate	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Barium	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Cadmium	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Chromium	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Selenium	—	Archived
July 1, 1987 – September 30, 1987	Maximum Contaminant Level Violation, Single Sample	Gross Alpha, Excl. Radon and U	Health-based	Archived
January 26, 1987 – January 25, 1991	Maximum Contaminant Level Violation, Single Sample	Gross Alpha, Excl. Radon and U	Health-based	Archived
January 26, 1987 – January 25, 1991	Maximum Contaminant Level Violation, Single Sample	Gross Alpha, Excl. Radon and U	Health-based	Archived
March 5, 1985 – March 3, 1988	Monitoring, Regular	Arsenic	—	Archived
June 1, 1980 – August 31, 1980	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

September 30, 1980State Othergeneral compliance action — not tied to a specific violation on record
January 25, 1980State Other1 linked violation

Common questions

Is MARICOPA MOUNTAIN DWID 2 required to publish a Consumer Confidence Report?: Yes. MARICOPA MOUNTAIN DWID 2 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 MARICOPA MOUNTAIN DWID 2’s next Consumer Confidence Report due?: MARICOPA MOUNTAIN DWID 2’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MARICOPA MOUNTAIN DWID 2 have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for MARICOPA MOUNTAIN DWID 2.
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

CRISWELL, NANCY

520-424-9646

MARICOPA, AZ 85139