Official PFAS Records

New Hampshire PFAS Watchlist

Official EPA UCMR 5 PFAS monitoring records for public water systems in New Hampshire. 47 water systems with qualifying official records.

Source retrieved: May 26, 2026 · EPA UCMR 5

Monitoring results are not compliance determinations. Missing records do not establish absence of PFAS. Methodology

Systems with records

7,795

Total records

145

Official detections

Water System	PWSID	Analytes in records	Records	Detections
Manchester Water Works Manchester	NH1471010	PFOSPFHpS9Cl-PF3ONSPFPeSNFDHA+24	116	4 detected	View
Pennichuck Water Works Nashua	NH1621010	PFPeSDONAHFPO-DAPFBA6:2FTS+24	116	0	View
Concord Water Dept Concord	NH0501010	NEtFOSAAPFDoAPFDAPFNAPFHpA+24	116	0	View
Portsmouth Water Works Portsmouth	NH1951010	PFBA6:2FTSPFHxSPFNAPFOS+24	522	30 detected	View
Keene Water Dept Keene	NH1241010	PFHxS4:2FTSPFHpSPFOADONA+24	232	0	View
Dover Water Dept Dover	NH0651010	DONAPFMPAHFPO-DAPFBA6:2FTS+24	290	0	View
Merrimack Village Dist Merrimack	NH1531010	DONAPFOSPFNANEtFOSAAPFHpA+24	174	0	View
Rochester Water Dept Rochester	NH2001010	PFUnADONAHFPO-DAPFBA4:2FTS+24	149	0	View
Salem Water Dept Salem	NH2051010	PFUnAPFHxAPFDoAPFDAPFOA+24	232	14 detected	View
Aquarion Water/nh Hampton	NH1051010	DONA9Cl-PF3ONS11Cl-PF3OUdSPFDoAPFHxA+24	232	7 detected	View
Derry Water Dept Derry	NH0611010	9Cl-PF3ONSPFHxS4:2FTS6:2FTSPFMPA+24	116	3 detected	View
Laconia Water Works Laconia	NH1281010	PFHxAPFDoAPFDAPFOAPFOS+24	116	0	View
Hudson Water Dept Hudson	NH1201010	PFHxAPFDoAPFMBAPFDAPFPeA+24	58	6 detected	View
Unh/durham Water Sys Durham	NH0691010	11Cl-PF3OUdSPFPeAPFMBAPFDoA8:2FTS+24	174	0	View
Seabrook Water Dept Seabrook	NH2111010	PFEESANFDHAPFMPAPFHpSPFBS+24	193	4 detected	View
Lebanon Water Dept Lebanon	NH1321010	PFTeDAPFOAPFDAPFDoAPFHxA+24	116	0	View
Exeter Water Dept Exeter	NH0801010	DONANFDHA9Cl-PF3ONSHFPO-DAPFBA+24	174	13 detected	View
Somersworth Water Works Somersworth	NH2151010	NMeFOSAAPFBS8:2FTSPFTeDAPFHxA+24	116	0	View
Pease Trade Port Portsmouth	NH1951020	PFBANMeFOSAAPFPeSPFHpSPFBS+24	29	1 detected	View
Hanover Water Dept	NH1071010	NMeFOSAANEtFOSAAPFTeDAPFPeSNFDHA+24	116	0	View
Berlin Water Works Berlin	NH0231010	PFEESAPFMPAPFPeAPFMBA8:2FTS+24	174	0	View
Milford Water Utilities Dept Milford	NH1561010	PFMPANFDHAPFTrDAPFPeSPFDoA+24	174	0	View
Claremont Water Dept Claremont	NH0461010	PFTrDAPFTeDAPFNAPFHpAPFBA+24	116	0	View
Franklin Water Works Franklin	NH0851010	PFOAPFHpAPFHxAPFTrDANEtFOSAA+24	232	0	View
Hampstead Area Water Hampstead	NH1031010	PFDoAPFHxSPFOANMeFOSAANEtFOSAA+24	696	33 detected	View
Litchfield Litchfield	NH1371010	11Cl-PF3OUdSNMeFOSAAPFHxSPFDoAPFOA+24	174	7 detected	View
Plymouth Vlg Water and Sewer Plymouth	NH1941010	PFDoAPFUnAPFHpSNFDHAPFMBA+24	116	0	View
Littleton Water and Light Littleton	NH1381010	PFEESAPFPeSPFBSPFHpAPFHxS+24	87	0	View
Londonderry Londonderry	NH1391010	8:2FTSPFNANFDHAPFPeAPFPeS+24	116	3 detected	View
Wolfeboro Water and Sewer Wolfeboro	NH2561010	PFDoA9Cl-PF3ONSPFTeDAPFTrDANEtFOSAA+24	116	0	View
North Conway Water Pct Conway	NH0511030	PFHxSPFBSPFUnANEtFOSAAPFMPA+24	290	0	View
Pembroke Water Works Pembroke	NH1861010	PFUnA11Cl-PF3OUdSDONAPFMPA8:2FTS+24	232	2 detected	View
Newmarket Water Works Newmarket	NH1731010	PFEESAPFMBAPFBSPFHxSPFHxA+24	116	0	View
Newport Water Works Newport	NH1741010	PFPeSNFDHAPFEESAPFMBAPFPeA+24	174	0	View
Central Hooksett Water Pct Hooksett	NH1181010	PFTrDAPFTeDANMeFOSAANEtFOSAADONA+24	116	4 detected	View
Peterborough Water Works Peterborough	NH1871010	PFBA6:2FTS9Cl-PF3ONSPFOSPFTeDA+24	174	0	View
Rye Water Dist Rye	NH2041010	NEtFOSAAPFHxSPFNAPFOSPFOA+24	29	4 detected	View
Lower Bartlett Water Pct Bartlett	NH0161020	PFHpSNFDHAPFEESA4:2FTSPFTeDA+24	116	0	View
Jaffrey Water Works Jaffrey	NH1221010	NEtFOSAAPFTrDAPFTeDANMeFOSAAPFDoA+24	232	5 detected	View
Penacook Boscawen Water Pct Boscawen	NH0251010	PFEESADONAHFPO-DAPFBA6:2FTS+24	174	0	View
Bristol Water Works Bristol	NH0301010	PFHpAPFOAPFUnAPFHxAPFDoA+24	174	0	View
Village Dist of Eastman Grantham	NH0951010	4:2FTSPFEESAPFUnA11Cl-PF3OUdS9Cl-PF3ONS+24	58	0	View
Raymond Water Dept Raymond	NH1971010	PFHpSNFDHAPFMBAPFPeAPFMPA+24	174	2 detected	View
New London Springfield Water New London	NH1721010	8:2FTSPFHpSPFEESAPFUnAPFHxA+24	58	0	View
Little Pond Estates Bedford	NH0192080	NMeFOSAAPFTrDANEtFOSAAPFTeDAPFEESA+24	116	3 detected	View
Village District of Eidelweiss Madison	NH1461010	PFHxAPFUnAPFTeDA9Cl-PF3ONSHFPO-DA+24	116	0	View
River Run Condos Bartlett	NH0162170	PFPeSPFNA9Cl-PF3ONSDONAHFPO-DA+24	58	0	View

Source: EPA UCMR 5 Occurrence Data · Methodology

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