ZIP Code 85280
High RiskPFAS above EPA limits detected
3 compounds exceed EPA Maximum Contaminant Levels in water serving this ZIP code. Standard pitcher filters like Brita do not remove PFAS. See filter recommendations below.
10
PFAS Detected
3
Above EPA Limits
1
Water System
1395%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 1395% of limit
Detected: 55.80 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 968% of limit
Detected: 38.70 ppt
PFHxS Exceeds EPA limit
0 ppt MCL: 10 ppt 705% of limit
Detected: 70.50 ppt
TEMPE CITY OF
AZ0407100 High RiskWater Type
Groundwater
PFAS Detected
10
Above MCL
3
State
Arizona
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 55.80ppt | 1395% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 38.70ppt | 968% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 70.50ppt | 705% of limit
| 10 ppt | ⚠ Exceeds MCL |
lithium | 278000.00ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 25.70ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 22.50ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 14.40ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 9.90ppt | No federal limit | — | Unregulated |
Show 2 more compounds detected at low levels
| PFPeS | 8.00 ppt | No federal limit |
| PFHpAPerfluoroheptanoic acid | 7.00 ppt | No federal limit |
Data source: EPA Unregulated Contaminant Monitoring Rule, 5th cycle (UCMR 5) — January 2026 release.
UCMR 5 tested ~10,000 public water systems serving more than 25 people between 2023-2025 for 29 PFAS compounds.
Detection values represent the highest single-sample result measured at entry points to the distribution system.