EL MIRAGE, AZ · La Paz County

EPCOR - PARKER DAM 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): AZ0415027
System type: Community Water System
Population served: 429
Service connections: 195
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2023 – February 27, 2024
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2021 – October 21, 2021
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2021 – February 16, 2021
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2018 – June 30, 2018
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2018 – June 30, 2018
Resolved
Monthly Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
October 1, 2015 – October 31, 2015
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2015 – March 31, 2015
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
February 1, 2015 – February 28, 2015
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
January 1, 2015 – January 31, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – October 2, 2014
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2013 – March 31, 2013
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2013 – March 31, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2012 – October 31, 2012
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2012 – July 17, 2012
Resolved
Monitoring, Regular
—
BHC-GAMMA
September 30, 1990 – September 29, 1993
Archived
Monitoring, Regular
—
Endrin
September 30, 1990 – September 29, 1993
Archived
Monitoring, Regular
—
Methoxychlor
September 30, 1990 – September 29, 1993
Archived
Monitoring, Regular
—
Toxaphene
September 30, 1990 – September 29, 1993
Archived
Monitoring, Regular
—
2,4-D
September 30, 1990 – September 29, 1993
Archived
Monitoring, Regular
—
2,4,5-TP
September 30, 1990 – September 29, 1993
Archived
Monitoring, Regular
—
Mercury
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Selenium
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Chromium
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Nitrate
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Barium
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Cadmium
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Fluoride
April 1, 1989 – June 30, 1989
Archived
Monitoring, Regular
—
Arsenic
April 28, 1988 – April 27, 1989
Archived
Monitoring, Regular
—
Barium
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Chromium
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Fluoride
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Mercury
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Nitrate
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Selenium
January 1, 1988 – March 31, 1988
Archived
Monitoring, Regular
—
Arsenic
March 7, 1987 – March 5, 1988
Archived
Monitoring, Regular
—
Barium
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Nitrate
June 25, 1982 – June 24, 1983
Archived
Monitoring, Regular
—
Mercury
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

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, 2023 – February 27, 2024	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2021 – October 21, 2021	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2021 – February 16, 2021	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
April 1, 2018 – June 30, 2018	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2018 – June 30, 2018	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2015 – October 31, 2015	Monthly Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
March 1, 2015 – March 31, 2015	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
February 1, 2015 – February 28, 2015	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2015 – January 31, 2015	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
July 1, 2014 – October 2, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2013 – March 31, 2013	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2012 – October 31, 2012	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2012 – July 17, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
September 30, 1990 – September 29, 1993	Monitoring, Regular	BHC-GAMMA	—	Archived
September 30, 1990 – September 29, 1993	Monitoring, Regular	Endrin	—	Archived
September 30, 1990 – September 29, 1993	Monitoring, Regular	Methoxychlor	—	Archived
September 30, 1990 – September 29, 1993	Monitoring, Regular	Toxaphene	—	Archived
September 30, 1990 – September 29, 1993	Monitoring, Regular	2,4-D	—	Archived
September 30, 1990 – September 29, 1993	Monitoring, Regular	2,4,5-TP	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Mercury	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Selenium	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Chromium	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Nitrate	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Barium	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Cadmium	—	Archived
April 1, 1989 – June 30, 1989	Monitoring, Regular	Fluoride	—	Archived
April 28, 1988 – April 27, 1989	Monitoring, Regular	Arsenic	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Barium	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Chromium	—	Archived
January 1, 1988 – March 31, 1988	Monitoring, Regular	Fluoride	—	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	Selenium	—	Archived
March 7, 1987 – March 5, 1988	Monitoring, Regular	Arsenic	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Barium	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Nitrate	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Mercury	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Fluoride	—	Archived
June 25, 1982 – June 24, 1983	Monitoring, Regular	Chromium	—	Archived

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

Enforcement actions

July 25, 2018State Violation/Reminder Notice14 linked violations
July 25, 2018State Violation/Reminder Notice17 linked violations
March 6, 2018State Compliance achieved15 linked violations
December 27, 2005State Compliance achieved38 linked violations
December 31, 2003State Compliance achieved162 linked violations
December 31, 1996Federal Compliance achieved1 linked violation

Contact

DIDOMIZIO, TOM

623-445-2431

EL MIRAGE, AZ 85335