- EPA's UCMR 5 testing looked for 30 contaminants here and found 1.
- Lithium: found in 2 of 2 samples, average 49.1 µg/L, highest 49.6 µg/L (EPA UCMR 5 testing, Aug 2023–Feb 2024)
- Lead, 90th percentile: 0 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2025–Dec 31, 2025). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
Public EPA test results
Paradise Valley, AZ tap water: what EPA records show
EPA AZ0407056 · serves Paradise Valley, AZ · about 14,107 people (EPA SDWIS)
This report shows EPA's federal records for this water system: UCMR 5 testing, lead testing and violations. It isn't a test of the water at your tap, and it has no Water Score.
Public EPA test results
Epcor - Paradise VALLEY/SCOTTSDALE (EPA AZ0407056)
EPA data as of October 14, 2026. For Paradise Valley's main utility, Epcor - Paradise VALLEY/SCOTTSDALE: We found no health-based violations in EPA's records for this system (AZ0407056) since July 1, 2021, as of October 14, 2026. PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
What EPA records show for Epcor - Paradise VALLEY/SCOTTSDALE, as of October 14, 2026
We found no health-based violations in EPA's records for this system (AZ0407056) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for Epcor - Paradise VALLEY/SCOTTSDALE (SDWIS). Data as of October 14, 2026.
Lead, 90th percentile: 0 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2025–Dec 31, 2025). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
EPA's UCMR 5 testing looked for 30 contaminants here and found 1.
PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does Epcor - Paradise VALLEY/SCOTTSDALE use chloramine?
We didn't find chloramine in Epcor - Paradise VALLEY/SCOTTSDALE's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.