ZIP Code 10589
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.
9
PFAS Detected
4
Above EPA Limits
2
Water Systems
1368%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 1368% of limit
Detected: 54.70 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 525% of limit
Detected: 21.00 ppt
SOMERS TOWN HOUSE/HALL
NY5906659 High RiskWater Type
Groundwater
PFAS Detected
7
Above MCL
2
State
New York
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 54.70ppt | 1368% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 21.00ppt | 525% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 6.80ppt | 68% of limit
| 10 ppt | Below limit |
PFBS Perfluorobutane sulfonic acid | 19.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 9.10ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 6.80ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 6.50ppt | No federal limit | — | Unregulated |
HERITAGE HILLS WATERWORKS CORP
NY5917221 High RiskWater Type
Groundwater
PFAS Detected
2
Above MCL
2
State
New York
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 6.60ppt | 165% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOS Perfluorooctane sulfonic acid | 6.10ppt | 153% of limit
| 4 ppt | ⚠ Exceeds MCL |
Note: ZIP code 10589 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.