Public water system record
Vaya Chin Intertie
Serves Ajo, Pima County, AZ · 1,151 people served
Federal records show no health-based violations and 3 monitoring/reporting issues for Vaya Chin Intertie 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
- 3
Key facts
- Vaya Chin Intertie draws water from 2 wells.
- Record on file since 2001, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 49 unknown out of 255 service lines.
Check whether Vaya Chin Intertie 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 |
|---|---|---|
|
Nitrate
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
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.
|
Full record since 2001
EPA's records for Vaya Chin Intertie go back to 2001. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 7 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 1 | 5 |
| 2010 to October 18, 2016 | 0 | 2 |
| 2020s | 0 | 3 |
Most recent health-based violation before October 19, 2016: Total Coliform, began October 2001, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2001 | Resolved |
Where the water comes from
Vaya Chin Intertie draws water from 2 wells.
Annual water quality report
Vaya Chin Intertie 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