MARICOPA, AZ · Pinal County

THUNDERBIRD FARMS DWID 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): AZ0411100
System type: Community Water System
Population served: 2,231
Service connections: 594
Ownership: public/private mix
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2015 – December 31, 2015
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 2012 – June 30, 2012
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2010 – September 30, 2010
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2007 – December 31, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2006 – December 31, 2006
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 1991 – November 30, 1991
Archived
Monitoring, Regular
—
Selenium
September 30, 1988 – September 29, 1991
Archived
Monitoring, Check/Repeat/Confirmation
—
Nitrate
September 30, 1988 – September 29, 1991
Archived
Monitoring, Regular
—
Arsenic
September 30, 1988 – September 29, 1991
Archived
Monitoring, Regular
—
Barium
September 30, 1988 – September 29, 1991
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 1988 – September 30, 1988
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
July 1, 1988 – September 30, 1988
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 1980 – June 30, 1984
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
October 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 2012 – June 30, 2012	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
July 1, 2010 – September 30, 2010	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2006 – December 31, 2006	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
November 1, 1991 – November 30, 1991	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
September 30, 1988 – September 29, 1991	Monitoring, Regular	Selenium	—	Archived
September 30, 1988 – September 29, 1991	Monitoring, Check/Repeat/Confirmation	Nitrate	—	Archived
September 30, 1988 – September 29, 1991	Monitoring, Regular	Arsenic	—	Archived
September 30, 1988 – September 29, 1991	Monitoring, Regular	Barium	—	Archived
July 1, 1988 – September 30, 1988	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
July 1, 1988 – September 30, 1988	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived
July 1, 1980 – June 30, 1984	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

November 9, 2017State Compliance achieved111 linked violations
April 1, 2011State Compliance achieved133 linked violations
June 26, 2007State Violation/Reminder Notice188 linked violations
March 16, 1978State Othergeneral compliance action — not tied to a specific violation on record

Contact

VILLA, ANGELA

520-568-2663

MARICOPA, AZ 85139