PFAS Comply

CAMBRIDGE WATER DEPARTMENT

PWSID: MA3049000 · CAMBRIDGE, MA · Serving 118,214 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

PFOA4.8 ppt(MCL: 4 ppt)

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

Detection summary

3
PFAS compounds detected
4.8 ppt
Highest single detection
2023-09-13
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFHxAND—Below MRL2024-06-12
PFDoAND—Below MRL2023-09-13
PFDAND—Below MRL2023-09-13
PFTAND—Below MRL2023-09-13
PFTrDAND—Below MRL2023-09-13
NEtFOSAAND—Below MRL2023-09-13
NMeFOSAAND—Below MRL2023-09-13
PFOSND4Below MRL2023-09-13
PFNAND10Below MRL2023-09-13
PFHpAND—Below MRL2023-09-13
PFBSND—Below MRL2023-09-13
PFUnAND—Below MRL2023-09-13
PFHxSND10Below MRL2023-09-13
11Cl-PF3OUdSND—Below MRL2023-09-13
lithiumND—Below MRL2023-09-13
PFPeSND—Below MRL2023-09-13
PFEESAND—Below MRL2024-06-12
PFDoAND—Below MRL2024-06-12
PFOAND4Below MRL2024-06-12
PFDAND—Below MRL2024-06-12
PFOAND4Below MRL2023-09-13
PFHpSND—Below MRL2023-09-13
NFDHAND—Below MRL2023-09-13
PFEESAND—Below MRL2023-09-13
PFMBAND—Below MRL2023-09-13
PFMPAND—Below MRL2023-09-13
4:2 FTSND—Below MRL2023-09-13
6:2 FTSND—Below MRL2023-09-13
PFBAND—Below MRL2023-09-13
HFPO-DAND10Below MRL2023-09-13
ADONAND—Below MRL2023-09-13
9Cl-PF3ONSND—Below MRL2023-09-13
8:2 FTSND—Below MRL2023-09-13
PFTAND—Below MRL2023-12-05
6:2 FTSND—Below MRL2023-12-05
4:2 FTSND—Below MRL2023-12-05
8:2 FTSND—Below MRL2023-12-05
NMeFOSAAND—Below MRL2023-12-05
lithiumND—Below MRL2023-12-05
PFEESAND—Below MRL2023-12-05
NFDHAND—Below MRL2023-12-05
NEtFOSAAND—Below MRL2023-12-05
PFHpSND—Below MRL2023-12-05
PFTrDAND—Below MRL2023-12-05
PFBAND—Below MRL2023-12-05
PFMPAND—Below MRL2023-12-05
PFPeSND—Below MRL2023-12-05
PFNAND10Below MRL2023-12-05
PFMBAND—Below MRL2023-12-05
HFPO-DAND10Below MRL2023-12-05
PFDAND—Below MRL2023-12-05
PFBSND—Below MRL2023-12-05
PFHxSND10Below MRL2023-12-05
PFOSND4Below MRL2023-12-05
PFDoAND—Below MRL2023-12-05
PFUnAND—Below MRL2023-12-05
11Cl-PF3OUdSND—Below MRL2023-12-05
9Cl-PF3ONSND—Below MRL2023-12-05
ADONAND—Below MRL2023-12-05
PFHpAND—Below MRL2023-12-05
PFOSND4Below MRL2024-03-06
PFUnAND—Below MRL2024-03-06
HFPO-DAND10Below MRL2024-03-06
ADONAND—Below MRL2024-03-06
9Cl-PF3ONSND—Below MRL2024-03-06
11Cl-PF3OUdSND—Below MRL2024-03-06
PFHxAND—Below MRL2024-03-06
PFDoAND—Below MRL2024-03-06
PFDAND—Below MRL2024-03-06
PFBSND—Below MRL2024-03-06
PFHpAND—Below MRL2024-03-06
PFBAND—Below MRL2024-03-06
PFNAND10Below MRL2024-03-06
NFDHAND—Below MRL2024-03-06
PFHxSND10Below MRL2024-03-06
PFPeSND—Below MRL2024-03-06
NMeFOSAAND—Below MRL2024-03-06
NEtFOSAAND—Below MRL2024-03-06
PFTrDAND—Below MRL2024-03-06
PFTAND—Below MRL2024-03-06
lithiumND—Below MRL2024-03-06
PFMBAND—Below MRL2024-03-06
PFHpSND—Below MRL2024-03-06
6:2 FTSND—Below MRL2024-03-06
PFEESAND—Below MRL2024-03-06
PFOAND4Below MRL2024-03-06
PFPeAND—Below MRL2024-03-06
PFMPAND—Below MRL2024-03-06
8:2 FTSND—Below MRL2024-03-06
4:2 FTSND—Below MRL2024-03-06
PFBAND—Below MRL2024-06-12
11Cl-PF3OUdSND—Below MRL2024-06-12
PFOSND4Below MRL2024-06-12
PFPeAND—Below MRL2024-06-12
NMeFOSAAND—Below MRL2024-06-12
NEtFOSAAND—Below MRL2024-06-12
PFTrDAND—Below MRL2024-06-12
PFTAND—Below MRL2024-06-12
lithiumND—Below MRL2024-06-12
PFHxSND10Below MRL2024-06-12
PFHpSND—Below MRL2024-06-12
PFPeSND—Below MRL2024-06-12
NFDHAND—Below MRL2024-06-12
ADONAND—Below MRL2024-06-12
PFMBAND—Below MRL2024-06-12
PFUnAND—Below MRL2024-06-12
PFMPAND—Below MRL2024-06-12
8:2 FTSND—Below MRL2024-06-12
4:2 FTSND—Below MRL2024-06-12
6:2 FTSND—Below MRL2024-06-12
HFPO-DAND10Below MRL2024-06-12
PFNAND10Below MRL2024-06-12
PFHpAND—Below MRL2024-06-12
PFBSND—Below MRL2024-06-12
9Cl-PF3ONSND—Below MRL2024-06-12
PFOA4.84Exceeds2023-12-05
PFPeA3.6—2023-12-05
PFPeA3.5—2023-09-13
PFHxA3.1—2023-12-05
PFHxA3—2023-09-13

Violation history

Monitoring & Reporting - PFOA(PFOA)
2019-04-01 · Open · Tier 3
Monitoring & Reporting - PFOS(PFOS)
2019-04-01 · Open · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2019-04-01 · Open · Tier 3
Monitoring & Reporting - PFHxS(PFHxS)
2019-04-01 · Open · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2019-04-01 · Open · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2019-04-01 · Open · Tier 3
Monitoring & Reporting - PFHxA(PFHxA)
2019-04-01 · Open · Tier 3

Next steps