TUCSON, AZ · Pima County
CASITAS DE CASTILIAN 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)
- AZ0420531
- System type
- Community Water System
- Population served
- 167
- Service connections
- 120
- Ownership
- public/private mix
- Water source
- groundwater (wells)
Violation history
Sample Siting Plan Errors (RTCR)
—Revised Total Coliform Rule
May 7, 2020 – June 5, 2020
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 1980 – June 30, 1984
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 |
|---|---|---|---|---|
| May 7, 2020 – June 5, 2020 | Sample Siting Plan Errors (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 1980 – June 30, 1984 | 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
No enforcement actions on record for this system.
Contact
ASSOCIA ARIZONA
520-742-5674
TUCSON, AZ 85704