Public water system record
Arizona Water Co - Stanfield
Serves an area of Pinal County, AZ that includes Casa Grande and Stanfield · 639 people served
Federal records show 1 health-based violation and 2 monitoring/reporting issues for Arizona Water Co - Stanfield in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 2
Key facts
- Arizona Water Co - Stanfield draws water from 2 wells.
- Record on file since 1998, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 156 unknown out of 206 service lines.
Check whether Arizona Water Co - Stanfield 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 |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Oct 1, 2020 | Resolved |
Full record since 1998
EPA's records for Arizona Water Co - Stanfield go back to 1998. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 73 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 4 |
| 2000s | 1 | 64 |
| 2010 to October 18, 2016 | 0 | 5 |
| 2020s | 1 | 2 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began January 2006, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
Jan 1, 2006 | Resolved |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Arizona Water Co - Stanfield draws water from 2 wells.
Annual water quality report
Arizona Water Co - Stanfield 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