TUCSON, AZ · Santa Cruz County
SONOITA VALLEY (SOUTH) WATER COMPANY Water System
Current status
1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.
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)
- AZ0412005
- System type
- Community Water System
- Population served
- 169
- Service connections
- 59
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Public Notification Violation for NPDWR Violation
—Public Notice
December 20, 2024
UnaddressedPublic Notification Violation for NPDWR Violation
—Public Notice
May 18, 2023 – June 30, 2023
ResolvedMonitoring, Regular
—Combined Uranium
July 1, 2021 – September 30, 2021
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2019 – June 30, 2019
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2015 – December 31, 2015
ResolvedMonitoring, Regular
—Selenium
April 1, 1988 – June 30, 1988
ArchivedMonitoring, Regular
—Mercury
April 1, 1988 – June 30, 1988
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
April 1, 1988 – June 30, 1988
ArchivedMonitoring, Regular
—Nitrate
April 1, 1988 – June 30, 1988
ArchivedMonitoring, Regular
—Barium
April 1, 1988 – June 30, 1988
ArchivedMonitoring, Regular
—Cadmium
April 1, 1988 – June 30, 1988
ArchivedMonitoring, Regular
—Chromium
April 1, 1988 – June 30, 1988
ArchivedMonitoring, Regular
—Fluoride
April 1, 1988 – June 30, 1988
ArchivedMonitoring, Regular
—CHLOROBENZENE
January 1, 1987 – January 1, 1992
ArchivedMonitoring, Regular
—Benzene
January 1, 1987 – January 1, 1992
ArchivedMonitoring, Regular
—Toluene
January 1, 1987 – January 1, 1992
ArchivedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 1987 – January 1, 1992
ArchivedMonitoring, Regular
—Styrene
January 1, 1987 – January 1, 1992
ArchivedMonitoring, Regular
—Ethylbenzene
January 1, 1987 – January 1, 1992
ArchivedMonitoring, Regular
—DICHLOROMETHANE
January 1, 1987 – January 1, 1992
ArchivedMonitoring, Regular
—o-Dichlorobenzene
January 1, 1987 – January 1, 1992
ArchivedMonitoring, Regular
—p-Dichlorobenzene
January 1, 1987 – January 1, 1992
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 1987 – January 1, 1992
ArchivedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 1987 – January 1, 1992
ArchivedMonitoring, Regular
—1,2-Dichloroethane
January 1, 1987 – January 1, 1992
ArchivedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 1987 – January 1, 1992
ArchivedMonitoring, Regular
—Carbon tetrachloride
January 1, 1987 – January 1, 1992
ArchivedMonitoring, Regular
—1,2-Dichloropropane
January 1, 1987 – January 1, 1992
ArchivedMonitoring, Regular
—Trichloroethylene
January 1, 1987 – January 1, 1992
ArchivedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 1987 – January 1, 1992
ArchivedMonitoring, Regular
—Tetrachloroethylene
January 1, 1987 – January 1, 1992
ArchivedMonitoring, Regular
—Arsenic
April 5, 1985 – April 3, 1988
Archived
Unaddressed no corrective action on record yetResolved 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 |
|---|---|---|---|---|
| December 20, 2024 | Public Notification Violation for NPDWR Violation | Public Notice | — | Unaddressed |
| May 18, 2023 – June 30, 2023 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| July 1, 2021 – September 30, 2021 | Monitoring, Regular | Combined Uranium | — | Resolved |
| April 1, 2019 – June 30, 2019 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| October 1, 2015 – December 31, 2015 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 1988 – June 30, 1988 | Monitoring, Regular | Selenium | — | Archived |
| April 1, 1988 – June 30, 1988 | Monitoring, Regular | Mercury | — | Archived |
| April 1, 1988 – June 30, 1988 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| April 1, 1988 – June 30, 1988 | Monitoring, Regular | Nitrate | — | Archived |
| April 1, 1988 – June 30, 1988 | Monitoring, Regular | Barium | — | Archived |
| April 1, 1988 – June 30, 1988 | Monitoring, Regular | Cadmium | — | Archived |
| April 1, 1988 – June 30, 1988 | Monitoring, Regular | Chromium | — | Archived |
| April 1, 1988 – June 30, 1988 | Monitoring, Regular | Fluoride | — | Archived |
| January 1, 1987 – January 1, 1992 | Monitoring, Regular | CHLOROBENZENE | — | Archived |
| January 1, 1987 – January 1, 1992 | Monitoring, Regular | Benzene | — | Archived |
| January 1, 1987 – January 1, 1992 | Monitoring, Regular | Toluene | — | Archived |
| January 1, 1987 – January 1, 1992 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Archived |
| January 1, 1987 – January 1, 1992 | Monitoring, Regular | Styrene | — | Archived |
| January 1, 1987 – January 1, 1992 | Monitoring, Regular | Ethylbenzene | — | Archived |
| January 1, 1987 – January 1, 1992 | Monitoring, Regular | DICHLOROMETHANE | — | Archived |
| January 1, 1987 – January 1, 1992 | Monitoring, Regular | o-Dichlorobenzene | — | Archived |
| January 1, 1987 – January 1, 1992 | Monitoring, Regular | p-Dichlorobenzene | — | Archived |
| January 1, 1987 – January 1, 1992 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| January 1, 1987 – January 1, 1992 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Archived |
| January 1, 1987 – January 1, 1992 | Monitoring, Regular | 1,2-Dichloroethane | — | Archived |
| January 1, 1987 – January 1, 1992 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Archived |
| January 1, 1987 – January 1, 1992 | Monitoring, Regular | Carbon tetrachloride | — | Archived |
| January 1, 1987 – January 1, 1992 | Monitoring, Regular | 1,2-Dichloropropane | — | Archived |
| January 1, 1987 – January 1, 1992 | Monitoring, Regular | Trichloroethylene | — | Archived |
| January 1, 1987 – January 1, 1992 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Archived |
| January 1, 1987 – January 1, 1992 | Monitoring, Regular | Tetrachloroethylene | — | Archived |
| April 5, 1985 – April 3, 1988 | Monitoring, Regular | Arsenic | — | Archived |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- April 20, 1978State Othergeneral compliance action — not tied to a specific violation on record
Contact
SONOITA VALLEY WATER COMPANY
520-624-1460
TUCSON, AZ 85754