CheckPFAS

ZIP Code 03452

High Risk
High Risk PFAS Risk Level

PFAS 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.

3
PFAS Detected
3
Above EPA Limits
1
Water System
165%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 165% of limit
Detected: 6.60 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 140% of limit
Detected: 5.60 ppt
PFHxS Exceeds EPA limit
0 ppt MCL: 10 ppt 110% of limit
Detected: 11.00 ppt
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JAFFREY WATER WORKS

NH1221010 High Risk
Water Type
Groundwater
PFAS Detected
3
Above MCL
3
State
New Hampshire
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
6.60ppt
165% of limit
4 ppt⚠ Exceeds MCL
PFOS
Perfluorooctane sulfonic acid
5.60ppt
140% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
11.00ppt
110% of limit
10 ppt⚠ Exceeds MCL

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 →