ZIP Code 85323
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.
11
PFAS Detected
3
Above EPA Limits
2
Water Systems
338%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 338% of limit
Detected: 13.50 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 293% of limit
Detected: 11.70 ppt
City of Avondale
AZ0407088 High RiskWater Type
Groundwater
PFAS Detected
9
Above MCL
2
State
Arizona
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 13.50ppt | 338% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOS Perfluorooctane sulfonic acid | 11.70ppt | 293% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 9.40ppt | 94% of limit
| 10 ppt | Below limit |
lithium | 114000.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 17.20ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 15.60ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 12.90ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 6.50ppt | No federal limit | — | Unregulated |
Show 1 more compound detected at low levels
| PFHpAPerfluoroheptanoic acid | 3.70 ppt | No federal limit |
PHOENIX INTERNATIONAL RACEWAY
AZ0407406 High RiskWater Type
Groundwater
PFAS Detected
2
Above MCL
1
State
Arizona
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 10.00ppt | 250% of limit
| 4 ppt | ⚠ Exceeds MCL |
lithium | 620000.00ppt | No federal limit | — | Unregulated |
Note: ZIP code 85323 is served by 2 separate water utilities.
Results above show data for each system independently.
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.