ZIP Code 93701
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
750%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 750% of limit
Detected: 30.00 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 400% of limit
Detected: 16.00 ppt
PFHxS Exceeds EPA limit
0 ppt MCL: 10 ppt 300% of limit
Detected: 30.00 ppt
CITY OF FRESNO
CA1010007 High RiskWater Type
Groundwater
PFAS Detected
10
Above MCL
3
State
California
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 30.00ppt | 750% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 16.00ppt | 400% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 30.00ppt | 300% of limit
| 10 ppt | ⚠ Exceeds MCL |
PFNA Perfluorononanoic acid | 8.00ppt | 80% of limit
| 10 ppt | Below limit |
PFPeA Perfluoropentanoic acid | 47.00ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 34.00ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 31.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 26.00ppt | No federal limit | — | Unregulated |
Show 2 more compounds detected at low levels
| PFBSPerfluorobutane sulfonic acid | 8.60 ppt | No federal limit |
| PFPeS | 5.30 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.