Public water system record
Epcor - Sun City West
Serves Sun City West, Maricopa County, AZ · 25,796 people served
Federal records show no health-based violations and 5 monitoring/reporting issues for Epcor - Sun City 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
- 5
Key facts
- Epcor - Sun City West draws water from 9 wells.
- Record on file since 1988, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 127 unknown out of 15,400 service lines.
Check whether Epcor - Sun City 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
|
Apr 1, 2023 | Resolved |
|
Arsenic
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Revised Total Coliform Rule
RPT
|
Oct 1, 2017 | Resolved |
Full record since 1988
EPA's records for Epcor - Sun City West go back to 1988. Before October 19, 2016 they list 3 health-based violations (1 resolved, 2 archived by EPA without a recorded fix) and 94 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 2 | 0 |
| 1990s | 0 | 8 |
| 2000s | 1 | 85 |
| 2010 to October 18, 2016 | 0 | 1 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 0 | 3 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2001, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2001 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Oct 1, 1988 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Apr 1, 1988 | Archived |
Where the water comes from
Epcor - Sun City West draws water from 9 wells. It also buys water from Surprise City of - Mountain Vista. 1 other community water system buys water from Epcor - Sun City West.
Buys water from
- Surprise City of - Mountain Vista Surprise, AZ
Community systems that buy water from it
- Surprise City of - Mountain Vista Surprise, AZ
Annual water quality report
Epcor - Sun City 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.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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