F7/100
EPCOR - PARADISE VALLEY/SCOTTSDALE — Water Quality Report 2026
Serving 14,107 people · Arizona
Water Source
Purchased Surface Water
County
—
System ID
AZ0407056
Violations
81
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed to complete routine monitoring
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: September 1, 2024 – September 30, 2024Rule: Surface Water Treatment RuleEnforcement: 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, 2024 – June 30, 2024Enforcement: 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 - PARADISE VALLEY/SCOTTSDALE
Is EPCOR - PARADISE VALLEY/SCOTTSDALE water safe to drink?
EPCOR - PARADISE VALLEY/SCOTTSDALE water receives a grade of F (7/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 81 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has EPCOR - PARADISE VALLEY/SCOTTSDALE detected?
66 contaminants were tested in EPCOR - PARADISE VALLEY/SCOTTSDALE's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does EPCOR - PARADISE VALLEY/SCOTTSDALE have any EPA violations?
Yes, EPCOR - PARADISE VALLEY/SCOTTSDALE has 81 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, RPT, Other. 3 are health-based violations.
How many people does EPCOR - PARADISE VALLEY/SCOTTSDALE serve?
EPCOR - PARADISE VALLEY/SCOTTSDALE serves approximately 14,107 people, Arizona. The system provides water to 1 community: Paradise Valley.
What type of water does EPCOR - PARADISE VALLEY/SCOTTSDALE provide?
EPCOR - PARADISE VALLEY/SCOTTSDALE sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is AZ0407056.
How does EPCOR - PARADISE VALLEY/SCOTTSDALE compare to other utilities in Arizona?
EPCOR - PARADISE VALLEY/SCOTTSDALE scores 7/100 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.