PFAS Comply

EXETER WATER DEPT

PWSID: NH0801010 · EXETER, NH · Serving 12,236 people

Type: CWSOwner: LSource: SW
Settlement eligible
May qualify for 3M/DuPont settlement funds
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Exceeds MCL

One or more PFAS compounds exceed EPA Maximum Contaminant Levels. Corrective action required by 2031.

Key contaminants vs MCL

PFOA6 ppt(MCL: 4 ppt)
PFOS4 ppt

EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31

Detection summary

7
PFAS compounds detected
13 ppt
Highest single detection
2024-09-06
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFMBAND—Below MRL2024-08-14
PFPeAND—Below MRL2024-01-04
PFMPAND—Below MRL2024-01-04
4:2 FTSND—Below MRL2024-01-04
6:2 FTSND—Below MRL2024-01-04
PFBAND—Below MRL2024-01-04
HFPO-DAND10Below MRL2024-01-04
ADONAND—Below MRL2024-01-04
9Cl-PF3ONSND—Below MRL2024-01-04
PFMBAND—Below MRL2024-01-04
PFUnAND—Below MRL2024-01-04
NEtFOSAAND—Below MRL2024-01-04
PFDoAND—Below MRL2024-01-04
PFDAND—Below MRL2024-01-04
PFOAND4Below MRL2024-01-04
PFOSND4Below MRL2024-01-04
8:2 FTSND—Below MRL2024-01-04
lithiumND—Below MRL2024-01-04
PFTAND—Below MRL2024-01-04
NMeFOSAAND—Below MRL2024-01-04
PFTrDAND—Below MRL2024-01-04
11Cl-PF3OUdSND—Below MRL2024-01-04
NFDHAND—Below MRL2024-01-04
PFPeSND—Below MRL2024-01-04
PFHpSND—Below MRL2024-01-04
PFBSND—Below MRL2024-01-04
PFHpAND—Below MRL2024-01-04
PFHxSND10Below MRL2024-01-04
PFNAND10Below MRL2024-01-04
PFEESAND—Below MRL2024-01-04
PFTAND—Below MRL2024-04-11
6:2 FTSND—Below MRL2024-04-11
4:2 FTSND—Below MRL2024-04-11
8:2 FTSND—Below MRL2024-04-11
PFMPAND—Below MRL2024-04-11
PFPeAND—Below MRL2024-04-11
PFEESAND—Below MRL2024-04-11
PFPeSND—Below MRL2024-04-11
PFHpSND—Below MRL2024-04-11
NMeFOSAAND—Below MRL2024-04-11
PFBAND—Below MRL2024-04-11
PFTrDAND—Below MRL2024-04-11
PFMBAND—Below MRL2024-04-11
lithiumND—Below MRL2024-04-11
NEtFOSAAND—Below MRL2024-04-11
PFDoAND—Below MRL2024-04-11
NFDHAND—Below MRL2024-04-11
PFHxSND10Below MRL2024-04-11
PFBSND—Below MRL2024-04-11
PFHpAND—Below MRL2024-04-11
PFOAND4Below MRL2024-04-11
HFPO-DAND10Below MRL2024-04-11
PFOSND4Below MRL2024-04-11
PFNAND10Below MRL2024-04-11
PFHxAND—Below MRL2024-04-11
PFUnAND—Below MRL2024-04-11
11Cl-PF3OUdSND—Below MRL2024-04-11
9Cl-PF3ONSND—Below MRL2024-04-11
ADONAND—Below MRL2024-04-11
PFDAND—Below MRL2024-04-11
PFMBAND—Below MRL2024-09-06
ADONAND—Below MRL2024-08-14
PFNAND10Below MRL2024-08-14
PFHxSND10Below MRL2024-08-14
PFHpAND—Below MRL2024-08-14
PFBSND—Below MRL2024-08-14
PFEESAND—Below MRL2024-08-14
PFPeAND—Below MRL2024-08-14
PFDoAND—Below MRL2024-08-14
PFHxAND—Below MRL2024-08-14
PFUnAND—Below MRL2024-08-14
11Cl-PF3OUdSND—Below MRL2024-08-14
9Cl-PF3ONSND—Below MRL2024-08-14
PFHxAND—Below MRL2024-01-04
PFHpSND—Below MRL2024-09-06
PFDAND—Below MRL2024-09-06
lithiumND—Below MRL2024-07-18
NMeFOSAAND—Below MRL2024-07-18
NEtFOSAAND—Below MRL2024-07-18
PFTAND—Below MRL2024-07-18
NFDHAND—Below MRL2024-09-06
PFEESAND—Below MRL2024-09-06
PFHxSND10Below MRL2024-09-06
PFHpAND—Below MRL2024-09-06
PFPeSND—Below MRL2024-09-06
PFUnAND—Below MRL2024-09-06
11Cl-PF3OUdSND—Below MRL2024-09-06
PFDoAND—Below MRL2024-09-06
PFTrDAND—Below MRL2024-07-18
ADONAND—Below MRL2024-09-06
HFPO-DAND10Below MRL2024-09-06
6:2 FTSND—Below MRL2024-09-06
4:2 FTSND—Below MRL2024-09-06
8:2 FTSND—Below MRL2024-09-06
PFMPAND—Below MRL2024-09-06
9Cl-PF3ONSND—Below MRL2024-09-06
PFNAND10Below MRL2024-09-06
11Cl-PF3OUdSND—Below MRL2024-10-08
8:2 FTSND—Below MRL2024-10-08
6:2 FTSND—Below MRL2024-10-08
HFPO-DAND10Below MRL2024-10-08
9Cl-PF3ONSND—Below MRL2024-10-08
NFDHAND—Below MRL2024-10-08
ADONAND—Below MRL2024-10-08
PFUnAND—Below MRL2024-10-08
PFEESAND—Below MRL2024-10-08
4:2 FTSND—Below MRL2024-10-08
NMeFOSAAND—Below MRL2024-10-08
NEtFOSAAND—Below MRL2024-10-08
PFTrDAND—Below MRL2024-10-08
PFTAND—Below MRL2024-10-08
PFMBAND—Below MRL2024-10-08
PFMPAND—Below MRL2024-10-08
lithiumND—Below MRL2024-10-08
PFHpSND—Below MRL2024-10-08
PFHxSND10Below MRL2024-10-08
PFNAND10Below MRL2024-10-08
PFDAND—Below MRL2024-10-08
PFDoAND—Below MRL2024-10-08
PFPeSND—Below MRL2024-10-08
NEtFOSAAND—Below MRL2024-01-04
PFMBAND—Below MRL2024-01-04
4:2 FTSND—Below MRL2024-01-04
8:2 FTSND—Below MRL2024-01-04
PFMPAND—Below MRL2024-01-04
PFPeAND—Below MRL2024-01-04
PFEESAND—Below MRL2024-01-04
NFDHAND—Below MRL2024-01-04
PFPeSND—Below MRL2024-01-04
PFHpSND—Below MRL2024-01-04
PFBAND—Below MRL2024-01-04
PFTrDAND—Below MRL2024-01-04
PFBSND—Below MRL2024-01-04
PFTAND—Below MRL2024-01-04
ADONAND—Below MRL2024-01-04
9Cl-PF3ONSND—Below MRL2024-01-04
11Cl-PF3OUdSND—Below MRL2024-01-04
PFUnAND—Below MRL2024-01-04
NMeFOSAAND—Below MRL2024-01-04
6:2 FTSND—Below MRL2024-01-04
PFHxAND—Below MRL2024-01-04
PFDoAND—Below MRL2024-01-04
PFDAND—Below MRL2024-01-04
PFOAND4Below MRL2024-01-04
PFOSND4Below MRL2024-01-04
PFNAND10Below MRL2024-01-04
PFHpAND—Below MRL2024-01-04
PFHxSND10Below MRL2024-01-04
lithiumND—Below MRL2024-01-04
HFPO-DAND10Below MRL2024-01-04
PFMPAND—Below MRL2024-08-14
lithiumND—Below MRL2024-07-18
NMeFOSAAND—Below MRL2024-07-18
NEtFOSAAND—Below MRL2024-07-18
PFTrDAND—Below MRL2024-07-18
PFTAND—Below MRL2024-07-18
PFHpSND—Below MRL2024-08-14
PFDAND—Below MRL2024-08-14
NFDHAND—Below MRL2024-08-14
8:2 FTSND—Below MRL2024-08-14
4:2 FTSND—Below MRL2024-08-14
6:2 FTSND—Below MRL2024-08-14
PFBAND—Below MRL2024-08-14
HFPO-DAND10Below MRL2024-08-14
PFOSND4Below MRL2024-08-14
PFPeSND—Below MRL2024-08-14
PFOAND4Below MRL2024-08-14
PFBA13—2024-10-08
PFOA64Exceeds2024-10-08
PFBA6—2024-09-06
PFOA54Exceeds2024-09-06
PFHxA4—2024-10-08
PFPeA4—2024-09-06
PFOS44Detected2024-09-06
PFOS44Detected2024-10-08
PFPeA4—2024-10-08
PFBS3—2024-10-08
PFHxA3—2024-09-06
PFBS3—2024-09-06
PFHpA3—2024-10-08

Next steps

EXETER WATER DEPT PFAS results — EXETER, NH | PFAS Comply