PFAS Comply

ACTON WATER SUPPLY DISTRICT

PWSID: MA2002000 · ACTON, MA · Serving 20,780 people

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

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

Key contaminants vs MCL

PFOA13.4 ppt(MCL: 4 ppt)
PFOS4.9 ppt(MCL: 4 ppt)

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

Detection summary

8
PFAS compounds detected
20.6 ppt
Highest single detection
2023-09-25
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
9Cl-PF3ONSND—Below MRL2023-09-25
PFTrDAND—Below MRL2023-03-15
PFUnAND—Below MRL2023-03-15
11Cl-PF3OUdSND—Below MRL2023-03-15
9Cl-PF3ONSND—Below MRL2023-03-15
8:2 FTSND—Below MRL2023-03-13
4:2 FTSND—Below MRL2023-03-13
6:2 FTSND—Below MRL2023-03-13
PFPeSND—Below MRL2023-03-13
9Cl-PF3ONSND—Below MRL2023-03-13
PFHpSND—Below MRL2023-03-13
PFUnAND—Below MRL2023-03-13
PFDoAND—Below MRL2023-03-13
PFDAND—Below MRL2023-03-13
PFNAND10Below MRL2023-03-13
ADONAND—Below MRL2023-03-13
HFPO-DAND10Below MRL2023-03-13
NFDHAND—Below MRL2023-03-13
PFEESAND—Below MRL2023-03-13
PFMBAND—Below MRL2023-03-13
PFPeAND—Below MRL2023-03-13
PFMPAND—Below MRL2023-03-13
PFHpAND—Below MRL2023-03-13
PFBAND—Below MRL2023-03-13
PFHxAND—Below MRL2023-09-25
PFDoAND—Below MRL2023-09-25
PFDAND—Below MRL2023-09-25
PFNAND10Below MRL2023-09-25
PFHxSND10Below MRL2023-09-25
PFHpAND—Below MRL2023-09-25
lithiumND—Below MRL2023-09-25
PFUnAND—Below MRL2023-09-25
PFTrDAND—Below MRL2023-09-25
PFBSND—Below MRL2023-09-25
NMeFOSAAND—Below MRL2023-09-25
NEtFOSAAND—Below MRL2023-09-25
PFTAND—Below MRL2023-09-25
PFMBAND—Below MRL2023-09-25
11Cl-PF3OUdSND—Below MRL2023-09-25
PFHpSND—Below MRL2023-09-25
PFPeSND—Below MRL2023-09-25
NFDHAND—Below MRL2023-09-25
PFEESAND—Below MRL2023-09-25
PFPeAND—Below MRL2023-09-25
PFMPAND—Below MRL2023-09-25
8:2 FTSND—Below MRL2023-09-25
4:2 FTSND—Below MRL2023-09-25
6:2 FTSND—Below MRL2023-09-25
PFBAND—Below MRL2023-09-25
HFPO-DAND10Below MRL2023-09-25
ADONAND—Below MRL2023-09-25
PFDoAND—Below MRL2023-03-15
NFDHAND—Below MRL2023-03-15
PFBSND—Below MRL2023-03-15
PFNAND10Below MRL2023-03-15
PFOSND4Below MRL2023-03-15
PFDAND—Below MRL2023-03-15
ADONAND—Below MRL2023-03-15
HFPO-DAND10Below MRL2023-03-15
4:2 FTSND—Below MRL2023-03-15
8:2 FTSND—Below MRL2023-03-15
PFMPAND—Below MRL2023-03-15
PFMBAND—Below MRL2023-03-15
PFEESAND—Below MRL2023-03-15
PFPeSND—Below MRL2023-03-15
PFHpSND—Below MRL2023-03-15
PFTAND—Below MRL2023-03-15
NEtFOSAAND—Below MRL2023-03-15
NMeFOSAAND—Below MRL2023-03-15
lithiumND—Below MRL2023-03-15
6:2 FTSND—Below MRL2023-03-15
PFHpSND—Below MRL2023-06-28
4:2 FTSND—Below MRL2023-06-28
8:2 FTSND—Below MRL2023-06-28
PFNAND10Below MRL2023-06-28
HFPO-DAND10Below MRL2023-06-28
PFDoAND—Below MRL2023-06-28
ADONAND—Below MRL2023-06-28
NFDHAND—Below MRL2023-06-28
PFEESAND—Below MRL2023-06-28
PFMBAND—Below MRL2023-06-28
PFPeSND—Below MRL2023-06-28
PFBSND—Below MRL2023-06-28
PFHxSND10Below MRL2023-06-28
PFUnAND—Below MRL2023-06-28
6:2 FTSND—Below MRL2023-06-28
PFDAND—Below MRL2023-06-28
PFTAND—Below MRL2023-06-28
PFTrDAND—Below MRL2023-06-28
NEtFOSAAND—Below MRL2023-06-28
NMeFOSAAND—Below MRL2023-06-28
11Cl-PF3OUdSND—Below MRL2023-06-28
9Cl-PF3ONSND—Below MRL2023-06-28
PFMPAND—Below MRL2023-06-28
PFOSND4Below MRL2023-06-28
lithiumND—Below MRL2023-06-28
PFOSND4Below MRL2023-09-21
lithiumND—Below MRL2023-09-21
9Cl-PF3ONSND—Below MRL2023-09-21
11Cl-PF3OUdSND—Below MRL2023-09-21
PFUnAND—Below MRL2023-09-21
PFDoAND—Below MRL2023-09-21
PFMBAND—Below MRL2023-09-21
PFNAND10Below MRL2023-09-21
PFHxSND10Below MRL2023-09-21
PFBSND—Below MRL2023-09-21
PFHpSND—Below MRL2023-09-21
PFPeSND—Below MRL2023-09-21
NFDHAND—Below MRL2023-09-21
PFDAND—Below MRL2023-09-21
ADONAND—Below MRL2023-09-21
PFTAND—Below MRL2024-03-22
PFTrDAND—Below MRL2024-03-22
NMeFOSAAND—Below MRL2024-03-22
HFPO-DAND10Below MRL2023-09-21
6:2 FTSND—Below MRL2023-09-21
PFMPAND—Below MRL2023-09-21
8:2 FTSND—Below MRL2023-09-21
NEtFOSAAND—Below MRL2024-03-22
4:2 FTSND—Below MRL2023-09-21
PFEESAND—Below MRL2023-09-21
NFDHAND—Below MRL2024-01-05
HFPO-DAND10Below MRL2024-01-05
PFOSND4Below MRL2024-01-05
PFDoAND—Below MRL2024-01-05
PFNAND10Below MRL2024-01-05
PFBSND—Below MRL2024-01-05
PFUnAND—Below MRL2024-01-05
11Cl-PF3OUdSND—Below MRL2024-01-05
9Cl-PF3ONSND—Below MRL2024-01-05
ADONAND—Below MRL2024-01-05
PFDAND—Below MRL2024-01-05
6:2 FTSND—Below MRL2024-01-05
4:2 FTSND—Below MRL2024-01-05
8:2 FTSND—Below MRL2024-01-05
PFMPAND—Below MRL2024-01-05
PFEESAND—Below MRL2024-01-05
PFPeSND—Below MRL2024-01-05
PFHpSND—Below MRL2024-01-05
PFTrDAND—Below MRL2024-01-05
NEtFOSAAND—Below MRL2024-01-05
NMeFOSAAND—Below MRL2024-01-05
PFTAND—Below MRL2024-01-05
lithiumND—Below MRL2024-01-05
PFMBAND—Below MRL2024-01-05
PFHxSND10Below MRL2024-01-05
PFEESAND—Below MRL2023-03-15
PFDoAND—Below MRL2023-03-15
PFUnAND—Below MRL2023-03-15
11Cl-PF3OUdSND—Below MRL2023-03-15
9Cl-PF3ONSND—Below MRL2023-03-15
ADONAND—Below MRL2023-03-15
HFPO-DAND10Below MRL2023-03-15
PFBAND—Below MRL2023-03-15
6:2 FTSND—Below MRL2023-03-15
4:2 FTSND—Below MRL2023-03-15
8:2 FTSND—Below MRL2023-03-15
PFMPAND—Below MRL2023-03-15
PFMBAND—Below MRL2023-03-15
PFDAND—Below MRL2023-03-15
PFNAND10Below MRL2023-03-15
NFDHAND—Below MRL2023-03-15
PFPeSND—Below MRL2023-03-15
PFHpSND—Below MRL2023-03-15
NEtFOSAAND—Below MRL2023-03-15
NMeFOSAAND—Below MRL2023-03-15
PFTAND—Below MRL2023-03-15
PFTrDAND—Below MRL2023-03-15
lithiumND—Below MRL2023-03-15
PFHxSND10Below MRL2023-03-15
PFHpAND—Below MRL2023-03-15
ADONAND—Below MRL2023-06-05
9Cl-PF3ONSND—Below MRL2023-06-05
11Cl-PF3OUdSND—Below MRL2023-06-05
PFTrDAND—Below MRL2023-06-05
NEtFOSAAND—Below MRL2023-06-05
PFDAND—Below MRL2023-06-05
6:2 FTSND—Below MRL2023-06-05
PFHxSND10Below MRL2023-06-05
PFHpAND—Below MRL2023-06-05
NMeFOSAAND—Below MRL2023-06-05
PFTAND—Below MRL2023-06-05
PFNAND10Below MRL2023-06-05
PFDoAND—Below MRL2023-06-05
PFHpSND—Below MRL2023-06-05
PFPeSND—Below MRL2023-06-05
PFMPAND—Below MRL2023-06-05
PFUnAND—Below MRL2023-06-05
HFPO-DAND10Below MRL2023-06-05
PFBAND—Below MRL2023-06-05
NFDHAND—Below MRL2023-06-05
PFEESAND—Below MRL2023-06-05
PFMBAND—Below MRL2023-06-05
8:2 FTSND—Below MRL2023-06-05
4:2 FTSND—Below MRL2023-06-05
lithiumND—Below MRL2023-06-05
PFEESAND—Below MRL2023-09-18
8:2 FTSND—Below MRL2023-09-18
lithiumND—Below MRL2023-09-18
PFHpAND—Below MRL2023-09-18
PFHxSND10Below MRL2023-09-18
PFNAND10Below MRL2023-09-18
PFDoAND—Below MRL2023-09-18
11Cl-PF3OUdSND—Below MRL2023-09-18
9Cl-PF3ONSND—Below MRL2023-09-18
ADONAND—Below MRL2023-09-18
HFPO-DAND10Below MRL2023-09-18
PFBAND—Below MRL2023-09-18
PFHpSND—Below MRL2023-09-18
4:2 FTSND—Below MRL2023-09-18
NMeFOSAAND—Below MRL2023-09-18
PFMPAND—Below MRL2023-09-18
PFMBAND—Below MRL2023-09-18
NFDHAND—Below MRL2023-09-18
PFUnAND—Below MRL2023-09-18
PFPeSND—Below MRL2023-09-18
PFTAND—Below MRL2023-09-18
PFTrDAND—Below MRL2023-09-18
NEtFOSAAND—Below MRL2023-09-18
6:2 FTSND—Below MRL2023-09-18
PFDAND—Below MRL2023-09-18
4:2 FTSND—Below MRL2023-12-06
PFHxSND10Below MRL2023-12-06
PFNAND10Below MRL2023-12-06
PFDoAND—Below MRL2023-12-06
HFPO-DAND10Below MRL2023-12-06
PFTAND—Below MRL2023-12-06
6:2 FTSND—Below MRL2023-12-06
PFBAND—Below MRL2023-12-06
11Cl-PF3OUdSND—Below MRL2023-12-06
9Cl-PF3ONSND—Below MRL2023-12-06
ADONAND—Below MRL2023-12-06
PFDAND—Below MRL2023-12-06
PFHpSND—Below MRL2023-12-06
PFTrDAND—Below MRL2023-12-06
NEtFOSAAND—Below MRL2023-12-06
NMeFOSAAND—Below MRL2023-12-06
lithiumND—Below MRL2023-12-06
PFMPAND—Below MRL2023-12-06
PFHpAND—Below MRL2023-12-06
PFEESAND—Below MRL2023-12-06
PFUnAND—Below MRL2023-12-06
PFPeSND—Below MRL2023-12-06
8:2 FTSND—Below MRL2023-12-06
NFDHAND—Below MRL2023-12-06
PFMBAND—Below MRL2023-12-06
PFHxSND10Below MRL2023-03-13
11Cl-PF3OUdSND—Below MRL2023-03-13
lithiumND—Below MRL2023-03-13
NMeFOSAAND—Below MRL2023-03-13
NEtFOSAAND—Below MRL2023-03-13
PFTrDAND—Below MRL2023-03-13
PFTAND—Below MRL2023-03-13
PFBA20.6—2023-09-21
PFBA18.3—2024-01-05
PFBA14.1—2023-06-28
PFOA13.44Exceeds2023-06-28
PFOA11.94Exceeds2023-09-21
PFBA11.8—2023-03-15
PFOA11.34Exceeds2023-03-15
PFOA9.64Exceeds2024-01-05
PFPeA8.4—2023-12-06
PFPeA8.1—2023-09-18
PFPeA8.1—2023-06-05
PFOA7.34Exceeds2023-09-18
PFOA7.24Exceeds2023-12-06
PFHxA7.1—2023-06-05
PFOA7.14Exceeds2023-06-05
PFHxA6.6—2023-12-06
PFPeA6.4—2023-03-15
PFHxA6.3—2023-09-18
PFOA6.14Exceeds2023-03-15
PFHxA5.8—2023-06-28
PFHxA5.5—2023-03-15
PFHxA5.4—2023-09-21
PFHpA5.2—2023-06-28
PFHxA5.2—2023-03-15
PFOA5.14Exceeds2023-03-13
PFPeA4.9—2024-01-05
PFOS4.94Exceeds2023-03-13
PFPeA4.9—2023-06-28
PFHpA4.8—2023-09-21
PFOA4.74Exceeds2023-09-25
PFHxA4.7—2024-01-05
PFOS4.74Exceeds2023-12-06
PFOS4.74Exceeds2023-09-18
PFHpA4.6—2023-03-15
PFPeA4.6—2023-09-21
PFOS4.64Exceeds2023-06-05
PFPeA4.4—2023-03-15
PFOS4.24Exceeds2023-09-25
PFOS4.24Exceeds2023-03-15
PFHpA3.8—2024-01-05
PFBS3.7—2023-06-05
PFBS3.6—2023-12-06
PFBS3.5—2023-03-13
PFBS3.4—2023-09-18
PFBS3.2—2023-03-15
PFHxS3.210Detected2023-03-15
PFHxA3—2023-03-13

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