MARICOPA, AZ · Pinal County

MARICOPA MOUNTAIN DWID 2 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): AZ0411322
System type: Community Water System
Population served: 120
Service connections: 1
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2011 – November 30, 2011
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2008 – January 31, 2008
Resolved
Monitoring, Regular
—
Picloram
January 1, 2000 – December 31, 2008
Resolved
Monitoring, Regular
—
Selenium
March 31, 1988 – March 30, 1991
Archived
Monitoring, Regular
—
Cadmium
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
—
Nitrate
March 31, 1988 – March 30, 1991
Archived
Monitoring, Regular
—
Mercury
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

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
November 1, 2011 – November 30, 2011	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2008 – January 31, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2000 – December 31, 2008	Monitoring, Regular	Picloram	—	Resolved
March 31, 1988 – March 30, 1991	Monitoring, Regular	Selenium	—	Archived
March 31, 1988 – March 30, 1991	Monitoring, Regular	Cadmium	—	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	Nitrate	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Mercury	—	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

Resolved addressed and confirmed by the stateArchived 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

Contact

CRISWELL, NANCY

520-424-9646

MARICOPA, AZ 85139