ZIP Code 92708
High RiskPFAS above EPA limits detected
2 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.
6
PFAS Detected
2
Above EPA Limits
2
Water Systems
355%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 355% of limit
Detected: 14.20 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 223% of limit
Detected: 8.90 ppt
CITY OF SANTA ANA
CA3010038 High RiskWater Type
Groundwater
PFAS Detected
5
Above MCL
2
State
California
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 14.20ppt | 355% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 8.90ppt | 223% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 8.40ppt | 84% of limit
| 10 ppt | Below limit |
PFPeA Perfluoropentanoic acid | 5.90ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 4.00ppt | No federal limit | — | Unregulated |
CITY OF FOUNTAIN VALLEY
CA3010069 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
California
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFHxS Perfluorohexane sulfonic acid | 3.50ppt | 35% of limit
| 10 ppt | Below limit |
Note: ZIP code 92708 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.