Public water system record
Casitas De Castilian
Serves Tucson and Casas Adobes, Pima County, AZ · 167 people served
Federal records show 1 health-based violation and 15 monitoring/reporting issues for Casitas De Castilian in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 15
Key facts
- Casitas De Castilian draws water from 1 well.
- Most recent enforcement action: boil water order by Arizona, July 2023.
- Record on file since 1980, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 123 unknown out of 123 service lines.
Check whether Casitas De Castilian serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Jul 1, 2023 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Jul 2, 2025 | Active |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
RPT
|
Dec 17, 2024 | Resolved |
|
E. coli
Monitoring and reporting
|
Nov 29, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Mar 1, 2022 | Resolved |
|
E. coli
Monitoring and reporting
|
Feb 5, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Revised Total Coliform Rule
OTHER
|
Jun 6, 2020 | Resolved |
|
Revised Total Coliform Rule
OTHER
|
May 7, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
Full record since 1980
EPA's records for Casitas De Castilian go back to 1980. Before October 19, 2016 they list no health-based violations and 84 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 1 |
| 1990s | 0 | 58 |
| 2000s | 0 | 23 |
| 2010 to October 18, 2016 | 0 | 2 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 1 | 13 |
Enforcement actions
Arizona regulators issued 1 boil water order to Casitas De Castilian in 2023. The most recent was a boil water order in July 2023.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jul 25, 2023 | Arizona | Boil water order | 1 violation (1 health-based): Revised Total Coliform Rule |
What the violations mean
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
Casitas De Castilian draws water from 1 well. It also has an emergency connection to City of Tucson.
Emergency or part-time connections to
- City of Tucson Tucson, AZ
Annual water quality report
Casitas De Castilian must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Casitas De Castilian for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Arizona.
Certified drinking water labs by state EPA guidance for private wells