SONOITA, AZ · Santa Cruz County
CASAS ARROYO ASSOCIATION INC 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)
- AZ0412020
- System type
- Community Water System
- Population served
- 27
- Service connections
- 27
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Failure To Address Deficiency
Health-basedGroundwater Rule
March 23, 2025 – June 18, 2025
ResolvedLSL Reporting
—LEAD AND COPPER RULE REVISIONS
October 17, 2024 – January 27, 2025
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2013 – April 10, 2014
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2013 – September 30, 2013
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
June 1, 1989 – May 31, 1993
ResolvedMonitoring, Regular
—Mercury
November 30, 1988 – November 29, 1991
ArchivedMonitoring, Regular
—Fluoride
November 30, 1988 – November 29, 1991
ArchivedMonitoring, Regular
—Barium
November 30, 1988 – November 29, 1991
ArchivedMonitoring, Regular
—Cadmium
November 30, 1988 – November 29, 1991
ArchivedMonitoring, Regular
—Chromium
November 30, 1988 – November 29, 1991
ArchivedMonitoring, Regular
—Arsenic
November 30, 1988 – November 29, 1991
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
December 31, 1984 – December 31, 1988
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 |
|---|---|---|---|---|
| March 23, 2025 – June 18, 2025 | Failure To Address Deficiency | Groundwater Rule | Health-based | Resolved |
| October 17, 2024 – January 27, 2025 | LSL Reporting | LEAD AND COPPER RULE REVISIONS | — | Resolved |
| July 1, 2013 – April 10, 2014 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2013 – September 30, 2013 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| June 1, 1989 – May 31, 1993 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| November 30, 1988 – November 29, 1991 | Monitoring, Regular | Mercury | — | Archived |
| November 30, 1988 – November 29, 1991 | Monitoring, Regular | Fluoride | — | Archived |
| November 30, 1988 – November 29, 1991 | Monitoring, Regular | Barium | — | Archived |
| November 30, 1988 – November 29, 1991 | Monitoring, Regular | Cadmium | — | Archived |
| November 30, 1988 – November 29, 1991 | Monitoring, Regular | Chromium | — | Archived |
| November 30, 1988 – November 29, 1991 | Monitoring, Regular | Arsenic | — | Archived |
| December 31, 1984 – December 31, 1988 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- January 14, 2003State Compliance achieved1 linked violation
Contact
POWELL, ERIK
520-444-0410
SONOITA, AZ 85637