PFAS Comply

WALTHAM WATER DEPARTMENT

PWSID: MA3308000 · WALTHAM, MA · Serving 65,218 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
2023-07-12
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFUnAND—Below MRL2023-01-09
4:2 FTSND—Below MRL2023-01-09
6:2 FTSND—Below MRL2023-01-09
PFBAND—Below MRL2023-01-09
HFPO-DAND10Below MRL2023-01-09
ADONAND—Below MRL2023-01-09
9Cl-PF3ONSND—Below MRL2023-01-09
11Cl-PF3OUdSND—Below MRL2023-01-09
PFHxAND—Below MRL2023-01-09
NFDHAND—Below MRL2023-01-09
8:2 FTSND—Below MRL2023-01-09
NMeFOSAAND—Below MRL2023-01-26
PFTrDAND—Below MRL2023-01-26
PFHxSND10Below MRL2023-01-09
PFMPAND—Below MRL2023-01-09
PFPeAND—Below MRL2023-01-09
PFMBAND—Below MRL2023-01-09
PFEESAND—Below MRL2023-01-09
PFPeSND—Below MRL2023-01-09
PFHpSND—Below MRL2023-01-09
PFBSND—Below MRL2023-01-09
PFHpAND—Below MRL2023-01-09
PFNAND10Below MRL2023-01-09
NEtFOSAAND—Below MRL2023-01-26
PFOSND4Below MRL2023-01-09
PFOAND4Below MRL2023-01-09
PFDAND—Below MRL2023-01-09
PFTAND—Below MRL2023-01-26
PFDoAND—Below MRL2023-01-09
lithiumND—Below MRL2023-01-09
PFDAND—Below MRL2023-04-10
lithiumND—Below MRL2023-04-10
PFBSND—Below MRL2023-04-10
PFHpAND—Below MRL2023-04-10
PFHxSND10Below MRL2023-04-10
PFNAND10Below MRL2023-04-10
PFOAND4Below MRL2023-04-10
PFDoAND—Below MRL2023-04-10
PFHxAND—Below MRL2023-04-10
PFUnAND—Below MRL2023-04-10
11Cl-PF3OUdSND—Below MRL2023-04-10
9Cl-PF3ONSND—Below MRL2023-04-10
ADONAND—Below MRL2023-04-10
HFPO-DAND10Below MRL2023-04-10
PFEESAND—Below MRL2023-04-10
PFOSND4Below MRL2023-04-10
PFBAND—Below MRL2023-04-10
PFTrDAND—Below MRL2023-04-10
NMeFOSAAND—Below MRL2023-04-10
PFTAND—Below MRL2023-04-10
PFMBAND—Below MRL2023-04-10
PFPeAND—Below MRL2023-04-10
PFMPAND—Below MRL2023-04-10
NFDHAND—Below MRL2023-04-10
8:2 FTSND—Below MRL2023-04-10
4:2 FTSND—Below MRL2023-04-10
6:2 FTSND—Below MRL2023-04-10
NEtFOSAAND—Below MRL2023-04-10
PFPeSND—Below MRL2023-04-10
PFHpSND—Below MRL2023-04-10
ADONAND—Below MRL2023-07-12
HFPO-DAND10Below MRL2023-07-12
PFPeAND—Below MRL2023-07-12
PFBAND—Below MRL2023-07-12
6:2 FTSND—Below MRL2023-07-12
4:2 FTSND—Below MRL2023-07-12
8:2 FTSND—Below MRL2023-07-12
PFMPAND—Below MRL2023-07-12
PFMBAND—Below MRL2023-07-12
NFDHAND—Below MRL2023-07-12
PFTrDAND—Below MRL2023-07-12
NEtFOSAAND—Below MRL2023-07-12
NMeFOSAAND—Below MRL2023-07-12
lithiumND—Below MRL2023-07-12
9Cl-PF3ONSND—Below MRL2023-07-12
PFEESAND—Below MRL2023-07-12
PFNAND10Below MRL2023-07-12
PFOSND4Below MRL2023-07-12
11Cl-PF3OUdSND—Below MRL2023-07-12
PFTAND—Below MRL2023-07-12
PFHpAND—Below MRL2023-07-12
PFHxSND10Below MRL2023-07-12
PFOAND4Below MRL2023-07-12
PFDAND—Below MRL2023-07-12
PFPeSND—Below MRL2023-07-12
PFHpSND—Below MRL2023-07-12
PFDoAND—Below MRL2023-07-12
PFHxAND—Below MRL2023-07-12
PFUnAND—Below MRL2023-07-12
PFBSND—Below MRL2023-07-12
PFOSND4Below MRL2023-12-06
PFOAND4Below MRL2023-12-06
PFEESAND—Below MRL2023-12-06
PFDAND—Below MRL2023-12-06
PFDoAND—Below MRL2023-12-06
PFHxAND—Below MRL2023-12-06
PFUnAND—Below MRL2023-12-06
11Cl-PF3OUdSND—Below MRL2023-12-06
PFNAND10Below MRL2023-12-06
4:2 FTSND—Below MRL2023-12-06
PFPeAND—Below MRL2023-12-06
ADONAND—Below MRL2023-12-06
9Cl-PF3ONSND—Below MRL2023-12-06
PFMPAND—Below MRL2023-12-06
PFHpSND—Below MRL2023-12-06
8:2 FTSND—Below MRL2023-12-06
NMeFOSAAND—Below MRL2023-10-18
NEtFOSAAND—Below MRL2023-10-18
PFTrDAND—Below MRL2023-10-18
NFDHAND—Below MRL2023-12-06
PFPeSND—Below MRL2023-12-06
PFHxSND10Below MRL2023-12-06
PFBSND—Below MRL2023-12-06
PFMBAND—Below MRL2023-12-06
HFPO-DAND10Below MRL2023-12-06
PFBAND—Below MRL2023-12-06
6:2 FTSND—Below MRL2023-12-06
PFHpAND—Below MRL2023-12-06
PFTAND—Below MRL2023-10-18
lithiumND—Below MRL2023-10-18

Next steps