CASITAS DE CASTILIAN
PWSID: AZ0420531 · Tucson, AZ · Serves 167 people
According to EPA Safe Drinking Water Information System (SDWIS), CASITAS DE CASTILIAN (PWSID AZ0420531) in Tucson, AZ is listed as a CWS water system covering about 167 people. The same extract lists 4 health-based violation records spanning 2023-2024. Those 4 health-based rows for CASITAS DE CASTILIAN cover contaminants such as Revised Total Coliform Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
CASITAS DE CASTILIAN has 4 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 1 distinct EPA contaminant code appears in this system's record, including Revised Total Coliform Rule. Recorded violations span 2023–2024. Day-to-day primacy enforcement for this system runs through the Arizona drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Arizona state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- AZ0420531
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Tucson, AZ
- Population Served
- 167
- Health Violations
- Yes (4)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Revised Total Coliform Rule | 4 | 4 |
Violation History (4)
| Contaminant | Health | Date |
|---|---|---|
| Revised Total Coliform Rule | Yes | Dec 17, 2024 |
| Revised Total Coliform Rule | Yes | Jul 1, 2023 |
| Revised Total Coliform Rule | Yes | Jul 1, 2023 |
| Revised Total Coliform Rule | Yes | Jul 1, 2023 |
Frequently Asked Questions
What does EPA SDWIS list for CASITAS DE CASTILIAN?
How many people does CASITAS DE CASTILIAN serve?
What violations does CASITAS DE CASTILIAN have?
What contaminants have been found in CASITAS DE CASTILIAN water?
Compare beyond Arizona
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest CASITAS DE CASTILIAN on cumulative violation count (4) and EPA-reported population served (167). Violation-count peers include Santo Domingo Pueblo, Isleta Eastside, PARSHALL-LUCKY MOUND.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
CASITAS DE CASTILIAN (AZ0420531) is drawn from EPA SDWIS. Nearby county systems in this extract include METROPOLITAN DWID; ORO VALLEY WATER UTILITY; COMMUNITY WC OF GREEN VALLEY; USAF DAVIS MONTHAN AFB. Health-based rows (4 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.