EL MIRAGE, AZ · Maricopa County
EPCOR - CHAPARRAL CITY Water System
Consumer Confidence Report status
EPCOR - CHAPARRAL CITY must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for EPCOR - CHAPARRAL CITY.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
- AZ0407017
- System type
- Community Water System
- Population served
- 26,026
- Service connections
- 13,438
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
EPCOR - CHAPARRAL CITY is one of 67 community water systems in Arizona in the 10,001 to 100,000 people size category, serving 26,026 people from surface water.
As of August 1, 2026, its federal record holds 26 entries between 1980 and 2018, all of which EPA lists as closed. Nothing has been added since 2018.
Of the 26, 23 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals, synthetic organic chemicals, and volatile organic chemicals.
Violation history
Monitoring, Source Water (LT2)
—Cryptosporidium
April 1, 2018 – April 30, 2018
ResolvedMonitoring, Regular
—Selenium
January 1, 2009 – December 31, 2011
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2009 – December 31, 2011
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2009 – December 31, 2011
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2007 – December 31, 2007
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2006 – December 31, 2008
ResolvedMonitoring, Regular
—Trichloroethylene
January 1, 2006 – December 31, 2008
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2006 – December 31, 2008
ResolvedMonitoring, Regular
—p-Dichlorobenzene
January 1, 2006 – December 31, 2008
ResolvedMonitoring, Regular
—Carbon tetrachloride
January 1, 2006 – December 31, 2008
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2006 – December 31, 2008
ResolvedMonitoring, Regular
—Glyphosate
January 1, 2006 – December 31, 2008
ResolvedMonitoring, Regular
—Endothall
January 1, 2006 – December 31, 2008
ResolvedMonitoring, Regular
—Glyphosate
January 1, 2006 – December 31, 2008
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2006 – December 31, 2008
ResolvedMonitoring, Regular
—OXAMYL
January 1, 2006 – December 31, 2008
ResolvedMonitoring, Regular
—Cadmium
January 1, 2006 – December 31, 2008
ResolvedMonitoring, Regular
—Atrazine
January 1, 2006 – December 31, 2008
ResolvedMonitoring, Regular
—Selenium
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Arsenic
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Turbidity (Enhanced SWTR)
—Interim Enhanced Surface Water Treatment Rule
September 1, 2004 – September 30, 2004
ResolvedMaximum Contaminant Level Violation, Single Sample
Health-basedFluoride
March 26, 1981 – April 25, 1981
ArchivedMaximum Contaminant Level Violation, Single Sample
Health-basedFluoride
March 26, 1981 – April 25, 1981
ArchivedMaximum Contaminant Level Violation, Single Sample
Health-basedFluoride
May 15, 1980 – September 14, 1980
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 |
|---|---|---|---|---|
| April 1, 2018 – April 30, 2018 | Monitoring, Source Water (LT2) | Cryptosporidium | — | Resolved |
| January 1, 2009 – December 31, 2011 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2009 – December 31, 2011 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2009 – December 31, 2011 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| January 1, 2008 – December 31, 2008 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2007 – December 31, 2007 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2006 – December 31, 2008 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2006 – December 31, 2008 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| January 1, 2006 – December 31, 2008 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2006 – December 31, 2008 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| January 1, 2006 – December 31, 2008 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| January 1, 2006 – December 31, 2008 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2006 – December 31, 2008 | Monitoring, Regular | Glyphosate | — | Resolved |
| January 1, 2006 – December 31, 2008 | Monitoring, Regular | Endothall | — | Resolved |
| January 1, 2006 – December 31, 2008 | Monitoring, Regular | Glyphosate | — | Resolved |
| January 1, 2006 – December 31, 2008 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2006 – December 31, 2008 | Monitoring, Regular | OXAMYL | — | Resolved |
| January 1, 2006 – December 31, 2008 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2006 – December 31, 2008 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring, Regular | Arsenic | — | Resolved |
| September 1, 2004 – September 30, 2004 | Monitoring, Turbidity (Enhanced SWTR) | Interim Enhanced Surface Water Treatment Rule | — | Resolved |
| March 26, 1981 – April 25, 1981 | Maximum Contaminant Level Violation, Single Sample | Fluoride | Health-based | Archived |
| March 26, 1981 – April 25, 1981 | Maximum Contaminant Level Violation, Single Sample | Fluoride | Health-based | Archived |
| May 15, 1980 – September 14, 1980 | Maximum Contaminant Level Violation, Single Sample | Fluoride | Health-based | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- July 20, 2009State Compliance achieved66 linked violations
- March 19, 2009State no longer subject to Rule57 linked violations
Common questions
Is EPCOR - CHAPARRAL CITY required to publish a Consumer Confidence Report?
- Yes. EPCOR - CHAPARRAL CITY is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is EPCOR - CHAPARRAL CITY’s next Consumer Confidence Report due?
- EPCOR - CHAPARRAL CITY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does EPCOR - CHAPARRAL CITY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for EPCOR - CHAPARRAL CITY.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
DIDOMIZIO, TOM
623-445-2431
EL MIRAGE, AZ 85335