PFAS Comply

CHELSEA WATER DEPT. (MWRA)

PWSID: MA3057000 · CHELSEA, MA · Serving 38,319 people

Type: CWSOwner: LSource: SW
Compliant

All PFAS compounds below EPA Maximum Contaminant Levels.

Key contaminants vs MCL

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

Detection summary

0
PFAS compounds detected
N/A ppt
Highest single detection
2023-07-10
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFHpAND—Below MRL2023-01-12
PFOAND4Below MRL2023-01-12
PFOSND4Below MRL2023-01-12
NFDHAND—Below MRL2023-01-12
PFUnAND—Below MRL2023-01-12
PFHxSND10Below MRL2023-01-12
PFDoAND—Below MRL2023-01-12
PFMPAND—Below MRL2023-01-12
PFEESAND—Below MRL2023-01-12
PFTAND—Below MRL2023-01-26
NEtFOSAAND—Below MRL2023-01-26
NMeFOSAAND—Below MRL2023-01-26
PFNAND10Below MRL2023-01-12
PFPeSND—Below MRL2023-01-12
PFTrDAND—Below MRL2023-01-26
PFMBAND—Below MRL2023-01-12
8:2 FTSND—Below MRL2023-01-12
4:2 FTSND—Below MRL2023-01-12
6:2 FTSND—Below MRL2023-01-12
lithiumND—Below MRL2023-01-12
PFHpSND—Below MRL2023-01-12
PFPeAND—Below MRL2023-01-12
PFBAND—Below MRL2023-01-12
PFBSND—Below MRL2023-01-12
PFDAND—Below MRL2023-01-12
PFHxAND—Below MRL2023-01-12
11Cl-PF3OUdSND—Below MRL2023-01-12
9Cl-PF3ONSND—Below MRL2023-01-12
ADONAND—Below MRL2023-01-12
HFPO-DAND10Below MRL2023-01-12
NMeFOSAAND—Below MRL2023-04-11
NEtFOSAAND—Below MRL2023-04-11
PFTrDAND—Below MRL2023-04-11
PFTAND—Below MRL2023-04-11
PFOAND4Below MRL2023-04-11
PFBAND—Below MRL2023-04-11
HFPO-DAND10Below MRL2023-04-11
ADONAND—Below MRL2023-04-11
11Cl-PF3OUdSND—Below MRL2023-04-11
PFHxAND—Below MRL2023-04-11
PFOSND4Below MRL2023-04-11
PFDAND—Below MRL2023-04-11
6:2 FTSND—Below MRL2023-04-11
PFNAND10Below MRL2023-04-11
PFDoAND—Below MRL2023-04-11
4:2 FTSND—Below MRL2023-04-11
8:2 FTSND—Below MRL2023-04-11
PFMPAND—Below MRL2023-04-11
PFPeAND—Below MRL2023-04-11
PFMBAND—Below MRL2023-04-11
PFEESAND—Below MRL2023-04-11
NFDHAND—Below MRL2023-04-11
PFPeSND—Below MRL2023-04-11
PFHpSND—Below MRL2023-04-11
PFHxSND10Below MRL2023-04-11
9Cl-PF3ONSND—Below MRL2023-04-11
lithiumND—Below MRL2023-04-11
PFUnAND—Below MRL2023-04-11
PFBSND—Below MRL2023-04-11
PFHpAND—Below MRL2023-04-11
NMeFOSAAND—Below MRL2023-07-10
NEtFOSAAND—Below MRL2023-07-10
PFTrDAND—Below MRL2023-07-10
PFTAND—Below MRL2023-07-10
11Cl-PF3OUdSND—Below MRL2023-07-10
PFEESAND—Below MRL2023-07-10
lithiumND—Below MRL2023-07-10
PFBSND—Below MRL2023-07-10
PFHpAND—Below MRL2023-07-10
PFHxSND10Below MRL2023-07-10
PFNAND10Below MRL2023-07-10
PFOSND4Below MRL2023-07-10
PFOAND4Below MRL2023-07-10
PFDAND—Below MRL2023-07-10
PFDoAND—Below MRL2023-07-10
PFUnAND—Below MRL2023-07-10
4:2 FTSND—Below MRL2023-07-10
PFPeSND—Below MRL2023-07-10
NFDHAND—Below MRL2023-07-10
PFMBAND—Below MRL2023-07-10
PFPeAND—Below MRL2023-07-10
PFMPAND—Below MRL2023-07-10
PFHxAND—Below MRL2023-07-10
8:2 FTSND—Below MRL2023-07-10
PFHpSND—Below MRL2023-07-10
6:2 FTSND—Below MRL2023-07-10
PFBAND—Below MRL2023-07-10
HFPO-DAND10Below MRL2023-07-10
ADONAND—Below MRL2023-07-10
9Cl-PF3ONSND—Below MRL2023-07-10
ADONAND—Below MRL2023-10-16
PFBSND—Below MRL2023-10-16
PFHpAND—Below MRL2023-10-16
PFNAND10Below MRL2023-10-16
PFOSND4Below MRL2023-10-16
PFDAND—Below MRL2023-10-16
PFDoAND—Below MRL2023-10-16
PFHxAND—Below MRL2023-10-16
PFUnAND—Below MRL2023-10-16
11Cl-PF3OUdSND—Below MRL2023-10-16
9Cl-PF3ONSND—Below MRL2023-10-16
PFEESAND—Below MRL2023-10-16
HFPO-DAND10Below MRL2023-10-16
PFHxSND10Below MRL2023-10-16
PFHpSND—Below MRL2023-10-16
PFPeSND—Below MRL2023-10-16
NFDHAND—Below MRL2023-10-16
PFOAND4Below MRL2023-10-16
PFMBAND—Below MRL2023-10-16
PFPeAND—Below MRL2023-10-16
PFMPAND—Below MRL2023-10-16
8:2 FTSND—Below MRL2023-10-16
4:2 FTSND—Below MRL2023-10-16
6:2 FTSND—Below MRL2023-10-16
PFBAND—Below MRL2023-10-16
NMeFOSAAND—Below MRL2023-10-16
PFTAND—Below MRL2023-10-16
lithiumND—Below MRL2023-10-16
NEtFOSAAND—Below MRL2023-10-16
PFTrDAND—Below MRL2023-10-16

Next steps