MESA, AZ · Maricopa County

ARIZONA DAIRY COMPANY LLP Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of August 17, 2022. 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 Maricopa 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): AZ0407701
System type: Community Water System
Population served: 0
Service connections: 1
Ownership: public/private mix
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2018 – December 18, 2018
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2006 – December 31, 2006
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2005 – July 20, 2005
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Regular
—
Chromium
September 30, 1988 – September 29, 1991
Archived
Monitoring, Regular
—
Fluoride
September 30, 1988 – September 29, 1991
Archived
Monitoring, Regular
—
Nitrate
September 30, 1988 – September 29, 1991
Archived
Monitoring, Regular
—
Selenium
September 30, 1988 – September 29, 1991
Archived
Monitoring, Regular
—
Mercury
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
Monitoring, Regular
—
Cadmium
September 30, 1988 – September 29, 1991
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
Styrene
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
p-Dichlorobenzene
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
—
Carbon tetrachloride
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
Trichloroethylene
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 1987 – January 1, 1992
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, 2018 – December 18, 2018	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Resolved
January 1, 2006 – December 31, 2006	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2005 – July 20, 2005	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
September 30, 1988 – September 29, 1991	Monitoring, Regular	Chromium	—	Archived
September 30, 1988 – September 29, 1991	Monitoring, Regular	Fluoride	—	Archived
September 30, 1988 – September 29, 1991	Monitoring, Regular	Nitrate	—	Archived
September 30, 1988 – September 29, 1991	Monitoring, Regular	Selenium	—	Archived
September 30, 1988 – September 29, 1991	Monitoring, Regular	Mercury	—	Archived
September 30, 1988 – September 29, 1991	Monitoring, Regular	Arsenic	—	Archived
September 30, 1988 – September 29, 1991	Monitoring, Regular	Barium	—	Archived
September 30, 1988 – September 29, 1991	Monitoring, Regular	Cadmium	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	Styrene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	DICHLOROMETHANE	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	p-Dichlorobenzene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	1,2-Dichloroethane	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	Carbon tetrachloride	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	Trichloroethylene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	CHLOROBENZENE	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	Ethylbenzene	—	Archived

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

Enforcement actions

December 31, 1994State Compliance achievedgeneral compliance action — not tied to a specific violation on record

Last known contact on file (system is inactive)

ARIZONA DAIRY CO

480-380-7955

MESA, AZ 85212-9666