ZIP Code 33470
High RiskPFAS above EPA limits detected
4 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.
17
PFAS Detected
4
Above EPA Limits
2
Water Systems
500%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 500% of limit
Detected: 20.00 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 225% of limit
Detected: 9.00 ppt
PALM BEACH COUNTY WATER UTILITIES
FL4504393 High RiskWater Type
Groundwater
PFAS Detected
9
Above MCL
2
State
Florida
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 20.00ppt | 500% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 9.00ppt | 225% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 6.40ppt | 64% of limit
| 10 ppt | Below limit |
6:2 FTS 6:2 Fluorotelomer sulfonic acid | 13.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 7.70ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 6.50ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 6.10ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 5.00ppt | No federal limit | — | Unregulated |
Show 1 more compound detected at low levels
| PFHpAPerfluoroheptanoic acid | 3.10 ppt | No federal limit |
SEMINOLE IMPROVEMENT DISTRICT
FL4504903 High RiskWater Type
Groundwater
PFAS Detected
8
Above MCL
2
State
Florida
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 11.00ppt | 275% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 4.50ppt | 113% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 3.70ppt | 37% of limit
| 10 ppt | Below limit |
PFPeA Perfluoropentanoic acid | 6.60ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 5.50ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 5.40ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 4.80ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 3.40ppt | No federal limit | — | Unregulated |
Note: ZIP code 33470 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.