Public water system record
Arizona Water Co - Ajo
Serves an area of Pima County, AZ that includes Ajo · 2,100 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for Arizona Water Co - Ajo 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
- 2
Key facts
- Arizona Water Co - Ajo buys its water from Ajo Improvement Company.
- Record on file since 2002, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 607 unknown out of 756 service lines.
Check whether Arizona Water Co - Ajo 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 |
|---|---|---|
|
Revised Total Coliform Rule
RPT
|
Oct 1, 2020 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Sep 1, 2019 | Resolved |
Full record since 2002
EPA's records for Arizona Water Co - Ajo go back to 2002. Before October 19, 2016 they list no health-based violations and 7 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 0 | 6 |
| 2010 to October 18, 2016 | 0 | 1 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 0 | 1 |
Where the water comes from
Arizona Water Co - Ajo buys its water from Ajo Improvement Company. It lists no wells or intakes of its own.
Buys water from
- Ajo Improvement Company Ajo, AZ
Annual water quality report
Arizona Water Co - Ajo 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 Arizona.
Certified drinking water labs by state EPA guidance for private wells