Public water system record
San Xavier West
On record as serving Pima County, AZ · Serves 1,511 people
Federal records show no health-based violations and 7 monitoring/reporting issues for San Xavier West in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 7
Key facts
- San Xavier West draws water from 2 wells.
- Record on file since 2001, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 437 service lines.
Check whether San Xavier West 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Arsenic
Monitoring and reporting
|
Nov 1, 2025 | Resolved |
|
Arsenic
Monitoring and reporting
|
Oct 1, 2025 | Resolved |
|
Arsenic
Monitoring and reporting
|
Aug 1, 2025 | Resolved |
|
Arsenic
Monitoring and reporting
|
Nov 1, 2024 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
Full record since 2001
EPA's records for San Xavier West go back to 2001. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 35 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 3 | 35 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 0 | 6 |
Most recent health-based violation before October 19, 2016: Total Coliform, began September 2004, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2001 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
May 1, 2001 | Resolved |
Where the water comes from
San Xavier West draws water from 2 wells. 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
San Xavier West 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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 EPA Region 9.
Certified drinking water labs by state EPA guidance for private wells