TUCSON, AZ · Maricopa County
CHAPARRAL 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)
- AZ0407064
- System type
- Community Water System
- Population served
- 963
- Service connections
- 358
- Ownership
- public/private mix
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
August 1, 2013 – August 31, 2013
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2011 – February 22, 2013
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2011 – June 30, 2011
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2009 – June 30, 2009
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 2007 – April 30, 2007
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2007 – June 30, 2007
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2007 – December 31, 2007
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2005 – December 31, 2005
ResolvedMonitoring, Regular
—Benzene
January 1, 1998 – December 31, 2000
ResolvedMonitoring, Regular
—Atrazine
January 1, 1998 – December 31, 2000
ResolvedMonitoring, Regular
—Cadmium
October 1, 1989 – December 31, 1989
ArchivedMonitoring, Regular
—Nitrate
February 29, 1980 – February 28, 1983
ArchivedMonitoring, Regular
—Selenium
February 29, 1980 – February 28, 1983
ArchivedMonitoring, Regular
—Mercury
February 29, 1980 – February 28, 1983
ArchivedMonitoring, Regular
—Chromium
February 29, 1980 – February 28, 1983
ArchivedMonitoring, Regular
—Arsenic
February 29, 1980 – February 28, 1983
ArchivedMonitoring, Regular
—Cadmium
February 29, 1980 – February 28, 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 |
|---|---|---|---|---|
| August 1, 2013 – August 31, 2013 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2011 – February 22, 2013 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| April 1, 2011 – June 30, 2011 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2009 – June 30, 2009 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2007 – April 30, 2007 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2007 – December 31, 2007 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2005 – December 31, 2005 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 1998 – December 31, 2000 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 1998 – December 31, 2000 | Monitoring, Regular | Atrazine | — | Resolved |
| October 1, 1989 – December 31, 1989 | Monitoring, Regular | Cadmium | — | Archived |
| February 29, 1980 – February 28, 1983 | Monitoring, Regular | Nitrate | — | Archived |
| February 29, 1980 – February 28, 1983 | Monitoring, Regular | Selenium | — | Archived |
| February 29, 1980 – February 28, 1983 | Monitoring, Regular | Mercury | — | Archived |
| February 29, 1980 – February 28, 1983 | Monitoring, Regular | Chromium | — | Archived |
| February 29, 1980 – February 28, 1983 | Monitoring, Regular | Arsenic | — | Archived |
| February 29, 1980 – February 28, 1983 | Monitoring, Regular | Cadmium | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- October 15, 2013State Compliance achieved85 linked violations
- October 4, 2013State Violation/Reminder Notice73 linked violations
- July 14, 2008State Violation/Reminder Notice126 linked violations
Contact
SOUTHWESTERN UTILITY MGMT INC
520-623-5172
TUCSON, AZ 85754