CheckPFAS

ZIP Code 03106

High Risk
High Risk PFAS Risk Level

PFAS 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.

4
PFAS Detected
2
Above EPA Limits
2
Water Systems
163%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 123% of limit
Detected: 4.90 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 163% of limit
Detected: 6.50 ppt

CENTRAL HOOKSETT WATER PCT

NH1181010 High Risk
Water Type
Surface Water
PFAS Detected
2
Above MCL
1
State
New Hampshire
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
4.90ppt
123% of limit
4 ppt⚠ Exceeds MCL
PFBA
Perfluorobutanoic acid
28.00pptNo federal limitUnregulated

PEMBROKE WATER WORKS

NH1861010 High Risk
Water Type
Groundwater
PFAS Detected
2
Above MCL
1
State
New Hampshire
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
6.50ppt
163% of limit
4 ppt⚠ Exceeds MCL
PFBS
Perfluorobutane sulfonic acid
5.90pptNo federal limitUnregulated
Note: ZIP code 03106 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.

View raw EPA data →