PFAS Comply

AUBURN WATER DISTRICT

PWSID: MA2017000 · AUBURN, MA · Serving 12,255 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

PFOA5.7 ppt(MCL: 4 ppt)
PFOS4.7 ppt(MCL: 4 ppt)

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

Detection summary

4
PFAS compounds detected
5.7 ppt
Highest single detection
2025-09-04
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
6:2 FTSND—Below MRL2025-09-04
PFBSND—Below MRL2025-03-12
PFHpSND—Below MRL2025-03-12
PFPeSND—Below MRL2025-03-12
NFDHAND—Below MRL2025-03-12
PFEESAND—Below MRL2025-03-12
PFMBAND—Below MRL2025-03-12
PFMBAND—Below MRL2025-09-04
9Cl-PF3ONSND—Below MRL2025-09-04
4:2 FTSND—Below MRL2025-09-04
11Cl-PF3OUdSND—Below MRL2025-09-04
PFUnAND—Below MRL2025-09-04
PFHxAND—Below MRL2025-09-04
PFDAND—Below MRL2025-09-04
PFMPAND—Below MRL2025-09-04
8:2 FTSND—Below MRL2025-09-04
PFPeAND—Below MRL2025-09-04
PFTrDAND—Below MRL2025-09-04
11Cl-PF3OUdSND—Below MRL2025-03-12
PFMPAND—Below MRL2025-03-12
8:2 FTSND—Below MRL2025-03-12
4:2 FTSND—Below MRL2025-03-12
6:2 FTSND—Below MRL2025-03-12
PFBAND—Below MRL2025-03-12
HFPO-DAND10Below MRL2025-03-12
9Cl-PF3ONSND—Below MRL2025-03-12
PFHpAND—Below MRL2025-03-12
PFHxSND10Below MRL2025-03-12
PFNAND10Below MRL2025-03-12
NMeFOSAAND—Below MRL2025-03-12
NEtFOSAAND—Below MRL2025-03-12
ADONAND—Below MRL2025-03-12
PFTAND—Below MRL2025-03-12
lithiumND—Below MRL2025-03-12
PFDAND—Below MRL2025-03-12
PFDoAND—Below MRL2025-03-12
PFUnAND—Below MRL2025-03-12
PFTrDAND—Below MRL2025-03-12
PFMPAND—Below MRL2025-09-03
HFPO-DAND10Below MRL2025-09-03
NMeFOSAAND—Below MRL2025-09-03
NEtFOSAAND—Below MRL2025-09-03
PFTrDAND—Below MRL2025-09-03
PFTAND—Below MRL2025-09-03
lithiumND—Below MRL2025-09-03
PFHpSND—Below MRL2025-09-03
PFPeSND—Below MRL2025-09-03
9Cl-PF3ONSND—Below MRL2025-09-03
PFUnAND—Below MRL2025-09-03
PFHxAND—Below MRL2025-09-03
PFDoAND—Below MRL2025-09-03
4:2 FTSND—Below MRL2025-09-03
PFOAND4Below MRL2025-09-03
PFBAND—Below MRL2025-09-03
PFNAND10Below MRL2025-09-03
PFHxSND10Below MRL2025-09-03
PFHpAND—Below MRL2025-09-03
PFBSND—Below MRL2025-09-03
NFDHAND—Below MRL2025-09-03
PFEESAND—Below MRL2025-09-03
PFMBAND—Below MRL2025-09-03
PFPeAND—Below MRL2025-09-03
11Cl-PF3OUdSND—Below MRL2025-09-03
8:2 FTSND—Below MRL2025-09-03
6:2 FTSND—Below MRL2025-09-03
PFDAND—Below MRL2025-09-03
ADONAND—Below MRL2025-09-03
lithiumND—Below MRL2025-03-12
PFMBAND—Below MRL2025-03-12
PFEESAND—Below MRL2025-03-12
NFDHAND—Below MRL2025-03-12
PFHpSND—Below MRL2025-03-12
PFUnAND—Below MRL2025-03-12
PFMPAND—Below MRL2025-03-12
PFPeSND—Below MRL2025-03-12
NMeFOSAAND—Below MRL2025-03-12
PFTAND—Below MRL2025-03-12
PFTrDAND—Below MRL2025-03-12
NEtFOSAAND—Below MRL2025-03-12
PFBSND—Below MRL2025-03-12
PFHpAND—Below MRL2025-03-12
PFPeAND—Below MRL2025-03-12
PFOAND4Below MRL2025-03-12
PFHxAND—Below MRL2025-03-12
PFDAND—Below MRL2025-03-12
PFOSND4Below MRL2025-03-12
PFHxSND10Below MRL2025-03-12
PFNAND10Below MRL2025-03-12
8:2 FTSND—Below MRL2025-03-12
4:2 FTSND—Below MRL2025-03-12
9Cl-PF3ONSND—Below MRL2025-03-12
ADONAND—Below MRL2025-03-12
HFPO-DAND10Below MRL2025-03-12
PFBAND—Below MRL2025-03-12
6:2 FTSND—Below MRL2025-03-12
11Cl-PF3OUdSND—Below MRL2025-03-12
PFDoAND—Below MRL2025-03-12
PFEESAND—Below MRL2025-09-10
NFDHAND—Below MRL2025-09-10
PFHpSND—Below MRL2025-09-10
ADONAND—Below MRL2025-09-10
HFPO-DAND10Below MRL2025-09-10
PFBAND—Below MRL2025-09-10
6:2 FTSND—Below MRL2025-09-10
lithiumND—Below MRL2025-09-10
PFMBAND—Below MRL2025-09-10
PFPeSND—Below MRL2025-09-10
4:2 FTSND—Below MRL2025-09-10
PFNAND10Below MRL2025-09-10
PFTAND—Below MRL2025-09-10
PFTrDAND—Below MRL2025-09-10
NEtFOSAAND—Below MRL2025-09-10
9Cl-PF3ONSND—Below MRL2025-09-10
PFPeAND—Below MRL2025-09-10
PFBSND—Below MRL2025-09-10
PFHxSND10Below MRL2025-09-10
NMeFOSAAND—Below MRL2025-09-10
PFOSND4Below MRL2025-09-10
11Cl-PF3OUdSND—Below MRL2025-09-10
PFDAND—Below MRL2025-09-10
PFDoAND—Below MRL2025-09-10
PFHxAND—Below MRL2025-09-10
PFMPAND—Below MRL2025-09-10
PFUnAND—Below MRL2025-09-10
8:2 FTSND—Below MRL2025-09-10
PFHpAND—Below MRL2025-09-10
PFMBAND—Below MRL2025-06-09
PFPeAND—Below MRL2025-06-09
PFMPAND—Below MRL2025-06-09
PFEESAND—Below MRL2025-06-09
4:2 FTSND—Below MRL2025-06-09
lithiumND—Below MRL2025-06-09
8:2 FTSND—Below MRL2025-06-09
PFPeSND—Below MRL2025-06-09
PFTrDAND—Below MRL2025-06-09
PFTAND—Below MRL2025-06-09
NMeFOSAAND—Below MRL2025-06-09
NFDHAND—Below MRL2025-06-09
6:2 FTSND—Below MRL2025-06-09
NEtFOSAAND—Below MRL2025-06-09
PFHpAND—Below MRL2025-06-09
PFNAND10Below MRL2025-06-09
9Cl-PF3ONSND—Below MRL2025-06-09
PFHxSND10Below MRL2025-06-09
PFBAND—Below MRL2025-06-09
PFBSND—Below MRL2025-06-09
PFHpSND—Below MRL2025-06-09
PFDAND—Below MRL2025-06-09
PFDoAND—Below MRL2025-06-09
PFHxAND—Below MRL2025-06-09
PFUnAND—Below MRL2025-06-09
11Cl-PF3OUdSND—Below MRL2025-06-09
ADONAND—Below MRL2025-06-09
HFPO-DAND10Below MRL2025-06-09
PFOSND4Below MRL2025-06-09
NFDHAND—Below MRL2025-09-10
PFPeSND—Below MRL2025-09-10
PFMPAND—Below MRL2025-09-10
PFMBAND—Below MRL2025-09-10
PFEESAND—Below MRL2025-09-10
NMeFOSAAND—Below MRL2025-09-10
PFTAND—Below MRL2025-09-10
PFTrDAND—Below MRL2025-09-10
8:2 FTSND—Below MRL2025-09-10
lithiumND—Below MRL2025-09-10
PFPeAND—Below MRL2025-09-10
NEtFOSAAND—Below MRL2025-09-10
PFHxSND10Below MRL2025-09-10
PFHpSND—Below MRL2025-09-10
PFHpAND—Below MRL2025-09-10
4:2 FTSND—Below MRL2025-09-10
PFDAND—Below MRL2025-09-10
PFDoAND—Below MRL2025-09-10
PFHxAND—Below MRL2025-09-10
11Cl-PF3OUdSND—Below MRL2025-09-10
9Cl-PF3ONSND—Below MRL2025-09-10
PFNAND10Below MRL2025-09-10
6:2 FTSND—Below MRL2025-09-10
PFUnAND—Below MRL2025-09-10
ADONAND—Below MRL2025-09-10
HFPO-DAND10Below MRL2025-09-10
PFBAND—Below MRL2025-09-10
PFBSND—Below MRL2025-09-10
PFMBAND—Below MRL2025-03-10
PFPeAND—Below MRL2025-03-10
PFMPAND—Below MRL2025-03-10
NMeFOSAAND—Below MRL2025-03-10
4:2 FTSND—Below MRL2025-03-10
PFHpSND—Below MRL2025-03-10
6:2 FTSND—Below MRL2025-03-10
8:2 FTSND—Below MRL2025-03-10
PFEESAND—Below MRL2025-03-10
NEtFOSAAND—Below MRL2025-03-10
PFPeSND—Below MRL2025-03-10
PFTAND—Below MRL2025-03-10
PFTrDAND—Below MRL2025-03-10
PFOSND4Below MRL2025-03-10
PFBAND—Below MRL2025-03-10
NFDHAND—Below MRL2025-03-10
PFHxSND10Below MRL2025-03-10
PFDAND—Below MRL2025-03-10
lithiumND—Below MRL2025-03-10
HFPO-DAND10Below MRL2025-03-10
PFHpAND—Below MRL2025-03-10
PFNAND10Below MRL2025-03-10
PFOAND4Below MRL2025-03-10
PFDoAND—Below MRL2025-03-10
PFHxAND—Below MRL2025-03-10
PFUnAND—Below MRL2025-03-10
11Cl-PF3OUdSND—Below MRL2025-03-10
9Cl-PF3ONSND—Below MRL2025-03-10
ADONAND—Below MRL2025-03-10
PFBSND—Below MRL2025-03-10
NMeFOSAAND—Below MRL2025-09-04
6:2 FTSND—Below MRL2025-09-04
4:2 FTSND—Below MRL2025-09-04
8:2 FTSND—Below MRL2025-09-04
PFMPAND—Below MRL2025-09-04
PFPeAND—Below MRL2025-09-04
PFMBAND—Below MRL2025-09-04
PFEESAND—Below MRL2025-09-04
NFDHAND—Below MRL2025-09-04
PFPeSND—Below MRL2025-09-04
PFTAND—Below MRL2025-09-04
PFBAND—Below MRL2025-09-04
NEtFOSAAND—Below MRL2025-09-04
PFOAND4Below MRL2025-09-04
PFTrDAND—Below MRL2025-09-04
PFOSND4Below MRL2025-09-04
lithiumND—Below MRL2025-09-04
PFBSND—Below MRL2025-09-04
PFHpSND—Below MRL2025-09-04
PFHpAND—Below MRL2025-09-04
PFDoAND—Below MRL2025-09-04
PFNAND10Below MRL2025-09-04
HFPO-DAND10Below MRL2025-09-04
PFDAND—Below MRL2025-09-04
PFHxAND—Below MRL2025-09-04
PFUnAND—Below MRL2025-09-04
11Cl-PF3OUdSND—Below MRL2025-09-04
9Cl-PF3ONSND—Below MRL2025-09-04
ADONAND—Below MRL2025-09-04
PFHxSND10Below MRL2025-09-04
PFMPAND—Below MRL2025-03-10
PFHxSND10Below MRL2025-03-10
11Cl-PF3OUdSND—Below MRL2025-03-10
PFHpSND—Below MRL2025-03-10
PFPeSND—Below MRL2025-03-10
PFEESAND—Below MRL2025-03-10
PFMBAND—Below MRL2025-03-10
PFPeAND—Below MRL2025-03-10
9Cl-PF3ONSND—Below MRL2025-03-10
NEtFOSAAND—Below MRL2025-03-10
PFBSND—Below MRL2025-03-10
ADONAND—Below MRL2025-03-10
HFPO-DAND10Below MRL2025-03-10
PFBAND—Below MRL2025-03-10
6:2 FTSND—Below MRL2025-03-10
4:2 FTSND—Below MRL2025-03-10
8:2 FTSND—Below MRL2025-03-10
NFDHAND—Below MRL2025-03-10
PFOSND4Below MRL2025-03-10
PFTrDAND—Below MRL2025-03-10
PFUnAND—Below MRL2025-03-10
NMeFOSAAND—Below MRL2025-03-10
lithiumND—Below MRL2025-03-10
PFHpAND—Below MRL2025-03-10
PFNAND10Below MRL2025-03-10
PFOAND4Below MRL2025-03-10
PFDAND—Below MRL2025-03-10
PFDoAND—Below MRL2025-03-10
PFHxAND—Below MRL2025-03-10
PFTAND—Below MRL2025-03-10
9Cl-PF3ONSND—Below MRL2025-09-04
PFEESAND—Below MRL2025-09-04
lithiumND—Below MRL2025-09-04
PFBSND—Below MRL2025-09-04
PFHpAND—Below MRL2025-09-04
PFHxSND10Below MRL2025-09-04
PFNAND10Below MRL2025-09-04
PFOSND4Below MRL2025-09-04
PFOAND4Below MRL2025-09-04
PFDAND—Below MRL2025-09-04
PFDoAND—Below MRL2025-09-04
PFHxAND—Below MRL2025-09-04
PFUnAND—Below MRL2025-09-04
PFMPAND—Below MRL2025-09-04
HFPO-DAND10Below MRL2025-09-04
PFMBAND—Below MRL2025-09-04
NMeFOSAAND—Below MRL2025-09-04
11Cl-PF3OUdSND—Below MRL2025-09-04
ADONAND—Below MRL2025-09-04
PFBAND—Below MRL2025-09-04
6:2 FTSND—Below MRL2025-09-04
4:2 FTSND—Below MRL2025-09-04
8:2 FTSND—Below MRL2025-09-04
NFDHAND—Below MRL2025-09-04
PFPeSND—Below MRL2025-09-04
PFHpSND—Below MRL2025-09-04
PFTAND—Below MRL2025-09-04
PFTrDAND—Below MRL2025-09-04
NEtFOSAAND—Below MRL2025-09-04
PFPeAND—Below MRL2025-09-04
PFDoAND—Below MRL2025-03-10
PFHxSND10Below MRL2025-03-10
PFNAND10Below MRL2025-03-10
PFDAND—Below MRL2025-03-10
PFHpAND—Below MRL2025-03-10
PFOSND4Below MRL2025-03-10
PFBSND—Below MRL2025-03-10
NMeFOSAAND—Below MRL2025-03-10
NEtFOSAAND—Below MRL2025-03-10
PFTrDAND—Below MRL2025-03-10
lithiumND—Below MRL2025-03-10
PFHxAND—Below MRL2025-03-10
PFMPAND—Below MRL2025-03-10
PFTAND—Below MRL2025-03-10
8:2 FTSND—Below MRL2025-03-10
PFUnAND—Below MRL2025-03-10
PFEESAND—Below MRL2025-03-10
NFDHAND—Below MRL2025-03-10
PFPeAND—Below MRL2025-03-10
4:2 FTSND—Below MRL2025-03-10
PFMBAND—Below MRL2025-03-10
PFPeSND—Below MRL2025-03-10
PFHpSND—Below MRL2025-03-10
6:2 FTSND—Below MRL2025-03-10
PFBAND—Below MRL2025-03-10
HFPO-DAND10Below MRL2025-03-10
ADONAND—Below MRL2025-03-10
9Cl-PF3ONSND—Below MRL2025-03-10
11Cl-PF3OUdSND—Below MRL2025-03-10
PFNAND10Below MRL2025-09-04
ADONAND—Below MRL2025-09-04
PFBSND—Below MRL2025-09-04
PFBAND—Below MRL2025-09-04
PFHxSND10Below MRL2025-09-04
PFHpAND—Below MRL2025-09-04
lithiumND—Below MRL2025-09-04
PFDoAND—Below MRL2025-09-04
HFPO-DAND10Below MRL2025-09-04
PFTAND—Below MRL2025-09-04
NMeFOSAAND—Below MRL2025-09-04
NEtFOSAAND—Below MRL2025-09-04
PFHpSND—Below MRL2025-09-04
PFPeSND—Below MRL2025-09-04
NFDHAND—Below MRL2025-09-04
PFEESAND—Below MRL2025-09-04
PFOA5.74Exceeds2025-03-12
PFOA5.34Exceeds2025-09-10
PFOA4.84Exceeds2025-09-04
PFOS4.74Exceeds2025-09-10
PFOA4.34Exceeds2025-06-09
PFOA4.34Exceeds2025-09-10
PFOS4.34Exceeds2025-09-04
PFOA4.24Exceeds2025-03-10
PFOS4.14Exceeds2025-09-03
PFOS44Detected2025-03-12
PFPeA3.8—2025-03-12
PFHxA3.1—2025-03-12

Next steps