TUCSON, AZ · Cochise County

MONTE VISTA WATER COMPANY 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): AZ0402043
System type: Community Water System
Population served: 150
Service connections: 50
Ownership: privately owned
Water source: groundwater (wells)

Violation history

LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024 – December 24, 2025
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2018 – July 10, 2018
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2017 – December 31, 2017
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2016 – November 29, 2017
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2014 – May 31, 2014
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2013 – December 31, 2013
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2011 – January 10, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2009 – March 31, 2009
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
May 1, 2008 – May 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2006 – December 31, 2006
Resolved
Monitoring, Regular
—
Cadmium
February 28, 1990 – February 27, 1993
Archived
Monitoring, Regular
—
Nitrate
February 28, 1990 – February 27, 1993
Archived
Monitoring, Regular
—
Arsenic
February 28, 1990 – February 27, 1993
Archived
Monitoring, Regular
—
Barium
February 28, 1990 – February 27, 1993
Archived
Monitoring, Regular
—
Chromium
February 28, 1990 – February 27, 1993
Archived
Monitoring, Regular
—
Fluoride
February 28, 1990 – February 27, 1993
Archived
Monitoring, Regular
—
Mercury
February 28, 1990 – February 27, 1993
Archived
Monitoring, Regular
—
Selenium
February 28, 1990 – February 27, 1993
Archived
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
Ethylbenzene
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
Benzene
January 1, 1987 – January 1, 1992
Archived
Monitoring, Regular
—
Chromium
June 24, 1979 – June 23, 1982
Archived
Monitoring, Regular
—
Fluoride
June 24, 1979 – June 23, 1982
Archived
Monitoring, Regular
—
Nitrate
June 24, 1979 – June 23, 1982
Archived
Monitoring, Regular
—
Mercury
June 24, 1979 – June 23, 1982
Archived
Monitoring, Regular
—
Barium
June 24, 1979 – June 23, 1982
Archived
Monitoring, Regular
—
Cadmium
June 24, 1979 – June 23, 1982
Archived
Monitoring, Regular
—
Selenium
June 24, 1979 – June 23, 1982
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 17, 2024 – December 24, 2025	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Resolved
July 1, 2018 – July 10, 2018	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2017 – December 31, 2017	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2016 – November 29, 2017	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
May 1, 2014 – May 31, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2013 – December 31, 2013	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2011 – January 10, 2012	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
January 1, 2009 – March 31, 2009	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
May 1, 2008 – May 31, 2008	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2006 – December 31, 2006	Monitoring and Reporting (DBP)	TTHM	—	Resolved
February 28, 1990 – February 27, 1993	Monitoring, Regular	Cadmium	—	Archived
February 28, 1990 – February 27, 1993	Monitoring, Regular	Nitrate	—	Archived
February 28, 1990 – February 27, 1993	Monitoring, Regular	Arsenic	—	Archived
February 28, 1990 – February 27, 1993	Monitoring, Regular	Barium	—	Archived
February 28, 1990 – February 27, 1993	Monitoring, Regular	Chromium	—	Archived
February 28, 1990 – February 27, 1993	Monitoring, Regular	Fluoride	—	Archived
February 28, 1990 – February 27, 1993	Monitoring, Regular	Mercury	—	Archived
February 28, 1990 – February 27, 1993	Monitoring, Regular	Selenium	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	Tetrachloroethylene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	Ethylbenzene	—	Archived
January 1, 1987 – January 1, 1992	Monitoring, Regular	Benzene	—	Archived
June 24, 1979 – June 23, 1982	Monitoring, Regular	Chromium	—	Archived
June 24, 1979 – June 23, 1982	Monitoring, Regular	Fluoride	—	Archived
June 24, 1979 – June 23, 1982	Monitoring, Regular	Nitrate	—	Archived
June 24, 1979 – June 23, 1982	Monitoring, Regular	Mercury	—	Archived
June 24, 1979 – June 23, 1982	Monitoring, Regular	Barium	—	Archived
June 24, 1979 – June 23, 1982	Monitoring, Regular	Cadmium	—	Archived
June 24, 1979 – June 23, 1982	Monitoring, Regular	Selenium	—	Archived

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

Enforcement actions

June 10, 2016Federal Compliance achieved15 linked violations
September 28, 2011Federal Final Administrative Order issued15 linked violations
February 18, 2009State Violation/Reminder Notice228 linked violations

Contact

JUHL, PAUL

520-304-8277

TUCSON, AZ 85756