PFAS in New Hampshire Water
Based on EPA UCMR 5 testing of 23 public water systems in New Hampshire.
See New Hampshire on the national heatmap23
Systems Tested
23
With PFAS Detected
16
Above EPA Limits
70%
Exceed MCL
Most Commonly Detected PFAS in New Hampshire
Systems with detections · EPA UCMR 5 (2023–2025)
PFOA 15 systems
PFHxA 10 systems
lithium 9 systems
PFOS 8 systems
PFPeA 8 systems
PFBA 5 systems
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Get specific results for your neighborhood's water utility.
Water Systems in New Hampshire (23)
| Water System ↕ | PWSID | PFAS Detected ↕ | Above MCL ↕ | Risk |
|---|---|---|---|---|
| JAFFREY WATER WORKS Groundwater | NH1221010 | 3 | 3 | High Risk |
| PORTSMOUTH WATER WORKS Surface Water | NH1951010 | 9 | 2 | High Risk |
| HAMPSTEAD AREA WATER Groundwater | NH1031010 | 6 | 2 | High Risk |
| AQUARION WATER/NH Groundwater | NH1051010 | 6 | 2 | High Risk |
| RYE WATER DIST Groundwater | NH2041010 | 4 | 2 | High Risk |
| SEABROOK WATER DEPT Groundwater | NH2111010 | 3 | 2 | High Risk |
| EXETER WATER DEPT Surface Water | NH0801010 | 7 | 1 | High Risk |
| PEU/LITCHFIELD Groundwater | NH1371010 | 4 | 1 | High Risk |
| HUDSON WATER DEPT Groundwater | NH1201010 | 3 | 1 | High Risk |
| SALEM WATER DEPT Surface Water | NH2051010 | 3 | 1 | High Risk |
| CENTRAL HOOKSETT WATER PCT Surface Water | NH1181010 | 2 | 1 | High Risk |
| PEMBROKE WATER WORKS Groundwater | NH1861010 | 2 | 1 | High Risk |
| LITTLE POND ESTATES Surface Water | NH0192080 | 1 | 1 | High Risk |
| DERRY WATER DEPT Surface Water | NH0611010 | 1 | 1 | High Risk |
| PEU/LONDONDERRY Surface Water | NH1391010 | 1 | 1 | High Risk |
| MANCHESTER WATER WORKS, NH Surface Water | NH1471010 | 1 | 1 | High Risk |
| RAYMOND WATER DEPT Groundwater | NH1971010 | 2 | 0 | Low Level |
| BRISTOL WATER WORKS Groundwater | NH0301010 | 1 | 0 | Low Level |
| SACO RIVER FOREST Groundwater | NH0512120 | 1 | 0 | Low Level |
| DOVER WATER DEPT, NH Groundwater | NH0651010 | 1 | 0 | Low Level |
| VILLAGE DISTRICT OF EIDELWEISS Groundwater | NH1461010 | 1 | 0 | Low Level |
| PWW/FARLEY RD ESTATES Groundwater | NH1622010 | 1 | 0 | Low Level |
| PEASE TRADE PORT Groundwater | NH1951020 | 1 | 0 | Low Level |
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