F0/100
EPCOR - SUN CITY WEST — Water Quality Report 2026
Serving 25,796 people · Arizona
Water Source
Groundwater
County
—
System ID
AZ0407150
Violations
102
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 270.00 µg/L | — | Above Goal |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2023 – June 30, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2023 – June 30, 2023Enforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About EPCOR - SUN CITY WEST
Is EPCOR - SUN CITY WEST water safe to drink?
EPCOR - SUN CITY WEST water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 102 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has EPCOR - SUN CITY WEST detected?
66 contaminants were tested in EPCOR - SUN CITY WEST's water. Notable contaminants include chlorate. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does EPCOR - SUN CITY WEST have any EPA violations?
Yes, EPCOR - SUN CITY WEST has 102 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, RPT, Other. 3 are health-based violations.
How many people does EPCOR - SUN CITY WEST serve?
EPCOR - SUN CITY WEST serves approximately 25,796 people, Arizona. The system provides water to 1 community: Sun City West.
What type of water does EPCOR - SUN CITY WEST provide?
EPCOR - SUN CITY WEST sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AZ0407150.
How does EPCOR - SUN CITY WEST compare to other utilities in Arizona?
EPCOR - SUN CITY WEST scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Arizona state page for a full comparison of water systems.