EL MIRAGE, AZ · La Paz County

EPCOR - LAKESIDE 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): AZ0415010
System type: Community Water System
Population served: 1,775
Service connections: 807
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
September 1, 2020 – September 30, 2020
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2020 – June 30, 2020
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
November 11, 2018 – December 10, 2018
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
November 1, 2015 – November 30, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
August 1, 2015 – August 31, 2015
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
April 1, 2015 – April 30, 2015
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
March 1, 2015 – March 31, 2015
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 2013 – December 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2009 – March 31, 2009
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2009 – March 31, 2009
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2002 – December 23, 2005
Resolved
Monitoring, Regular
—
Endrin
September 30, 1990 – September 29, 1993
Archived
Monitoring, Regular
—
2,4-D
September 30, 1990 – September 29, 1993
Archived
Monitoring, Regular
—
Chromium
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Selenium
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Nitrate
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Mercury
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Fluoride
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Cadmium
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Arsenic
April 28, 1988 – April 27, 1989
Archived
Monitoring, Regular
—
Cadmium
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Selenium
January 1, 1988 – March 31, 1988
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
—
Arsenic
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Nitrate
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Fluoride
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Chromium
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Barium
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Selenium
June 25, 1982 – June 24, 1983
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
September 1, 2020 – September 30, 2020	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
April 1, 2020 – June 30, 2020	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
November 11, 2018 – December 10, 2018	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
November 1, 2015 – November 30, 2015	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
August 1, 2015 – August 31, 2015	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
April 1, 2015 – April 30, 2015	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
March 1, 2015 – March 31, 2015	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
December 1, 2013 – December 31, 2013	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2009 – March 31, 2009	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2009 – March 31, 2009	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2002 – December 23, 2005	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
September 30, 1990 – September 29, 1993	Monitoring, Regular	Endrin	—	Archived
September 30, 1990 – September 29, 1993	Monitoring, Regular	2,4-D	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Chromium	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Selenium	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Nitrate	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Mercury	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Fluoride	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Cadmium	—	Archived
April 28, 1988 – April 27, 1989	Monitoring, Regular	Arsenic	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Cadmium	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Selenium	—	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
June 25, 1982 – June 24, 1983	Monitoring, Regular	Arsenic	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Nitrate	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Fluoride	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Chromium	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Barium	—	Archived
June 25, 1982 – June 24, 1983	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

January 10, 2021State Compliance achieved32 linked violations
April 24, 2017State Violation/Reminder Notice75 linked violations
February 6, 2015State Violation/Reminder Notice35 linked violations
December 8, 2014State Compliance achieved36 linked violations
January 8, 2014State Violation/Reminder Notice269 linked violations
December 31, 1996Federal Compliance achieved1 linked violation

Contact

DIDOMIZIO, TOM

623-445-2431

EL MIRAGE, AZ 85335