PFAS Comply

D.C. WATER AND SEWER AUTHORITY

PWSID: DC0000002 · WASHINGTON, DC · Serving 632,323 people

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

2
PFAS compounds detected
4.7 ppt
Highest single detection
2024-07-22
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
11Cl-PF3OUdSND—Below MRL2024-10-16
PFHpAND—Below MRL2024-02-20
PFUnAND—Below MRL2024-02-20
PFHxSND10Below MRL2024-02-20
PFNAND10Below MRL2024-02-20
PFOSND4Below MRL2024-02-20
PFOAND4Below MRL2024-02-20
PFDAND—Below MRL2024-02-20
PFDoAND—Below MRL2024-02-20
PFHxAND—Below MRL2024-02-20
PFHpSND—Below MRL2024-02-20
PFPeSND—Below MRL2024-02-20
NFDHAND—Below MRL2024-02-20
PFEESAND—Below MRL2024-02-20
PFBSND—Below MRL2024-02-20
ADONAND—Below MRL2024-02-20
11Cl-PF3OUdSND—Below MRL2024-02-20
lithiumND—Below MRL2024-01-17
PFTAND—Below MRL2024-01-17
PFTrDAND—Below MRL2024-01-17
NEtFOSAAND—Below MRL2024-01-17
PFMBAND—Below MRL2024-02-20
9Cl-PF3ONSND—Below MRL2024-02-20
PFPeAND—Below MRL2024-02-20
HFPO-DAND10Below MRL2024-02-20
PFBAND—Below MRL2024-02-20
6:2 FTSND—Below MRL2024-02-20
4:2 FTSND—Below MRL2024-02-20
8:2 FTSND—Below MRL2024-02-20
NMeFOSAAND—Below MRL2024-01-17
PFEESAND—Below MRL2024-04-17
11Cl-PF3OUdSND—Below MRL2024-04-17
lithiumND—Below MRL2024-04-17
PFBSND—Below MRL2024-04-17
PFHpAND—Below MRL2024-04-17
PFHxSND10Below MRL2024-04-17
PFNAND10Below MRL2024-04-17
PFOSND4Below MRL2024-04-17
PFOAND4Below MRL2024-04-17
PFDAND—Below MRL2024-04-17
PFDoAND—Below MRL2024-04-17
PFPeSND—Below MRL2024-04-17
PFUnAND—Below MRL2024-04-17
PFHpSND—Below MRL2024-04-17
9Cl-PF3ONSND—Below MRL2024-04-17
ADONAND—Below MRL2024-04-17
PFBAND—Below MRL2024-04-17
4:2 FTSND—Below MRL2024-04-17
8:2 FTSND—Below MRL2024-04-17
PFMPAND—Below MRL2024-04-17
PFPeAND—Below MRL2024-04-17
PFMBAND—Below MRL2024-04-17
6:2 FTSND—Below MRL2024-04-17
NFDHAND—Below MRL2024-04-17
PFHxAND—Below MRL2024-04-17
PFTrDAND—Below MRL2024-04-17
PFTAND—Below MRL2024-04-17
NMeFOSAAND—Below MRL2024-04-17
NEtFOSAAND—Below MRL2024-04-17
HFPO-DAND10Below MRL2024-04-17
NMeFOSAAND—Below MRL2024-07-22
PFMPAND—Below MRL2024-07-22
PFMBAND—Below MRL2024-07-22
PFEESAND—Below MRL2024-07-22
NFDHAND—Below MRL2024-07-22
PFPeSND—Below MRL2024-07-22
6:2 FTSND—Below MRL2024-07-22
lithiumND—Below MRL2024-07-22
NEtFOSAAND—Below MRL2024-07-22
PFTrDAND—Below MRL2024-07-22
PFTAND—Below MRL2024-07-22
PFHpSND—Below MRL2024-07-22
PFHxAND—Below MRL2024-07-22
PFBSND—Below MRL2024-07-22
PFHpAND—Below MRL2024-07-22
PFHxSND10Below MRL2024-07-22
PFNAND10Below MRL2024-07-22
PFOSND4Below MRL2024-07-22
PFOAND4Below MRL2024-07-22
4:2 FTSND—Below MRL2024-07-22
PFDoAND—Below MRL2024-07-22
PFHxAND—Below MRL2024-10-16
PFUnAND—Below MRL2024-10-16
PFMPAND—Below MRL2024-02-20
PFUnAND—Below MRL2024-07-22
11Cl-PF3OUdSND—Below MRL2024-07-22
9Cl-PF3ONSND—Below MRL2024-07-22
ADONAND—Below MRL2024-07-22
HFPO-DAND10Below MRL2024-07-22
PFBAND—Below MRL2024-07-22
PFDAND—Below MRL2024-07-22
8:2 FTSND—Below MRL2024-07-22
PFNAND10Below MRL2024-10-16
11Cl-PF3OUdSND—Below MRL2024-10-16
PFUnAND—Below MRL2024-10-16
PFHxAND—Below MRL2024-10-16
PFDoAND—Below MRL2024-10-16
PFDAND—Below MRL2024-10-16
9Cl-PF3ONSND—Below MRL2024-10-16
PFOSND4Below MRL2024-10-16
NMeFOSAAND—Below MRL2024-10-16
PFHxSND10Below MRL2024-10-16
PFHpAND—Below MRL2024-10-16
PFBSND—Below MRL2024-10-16
PFHpSND—Below MRL2024-10-16
NEtFOSAAND—Below MRL2024-10-16
PFOAND4Below MRL2024-10-16
PFEESAND—Below MRL2024-10-16
PFTrDAND—Below MRL2024-10-16
ADONAND—Below MRL2024-10-16
NFDHAND—Below MRL2024-10-16
PFMBAND—Below MRL2024-10-16
PFPeAND—Below MRL2024-10-16
lithiumND—Below MRL2024-10-16
PFMPAND—Below MRL2024-10-16
4:2 FTSND—Below MRL2024-10-16
6:2 FTSND—Below MRL2024-10-16
PFTAND—Below MRL2024-10-16
PFBAND—Below MRL2024-10-16
8:2 FTSND—Below MRL2024-10-16
HFPO-DAND10Below MRL2024-10-16
PFPeSND—Below MRL2024-10-16
PFBSND—Below MRL2024-02-07
PFHxAND—Below MRL2024-02-07
PFDoAND—Below MRL2024-02-07
PFDAND—Below MRL2024-02-07
PFOAND4Below MRL2024-02-07
PFOSND4Below MRL2024-02-07
PFTrDAND—Below MRL2024-01-17
PFNAND10Below MRL2024-02-07
PFHpAND—Below MRL2024-02-07
NMeFOSAAND—Below MRL2024-01-17
PFUnAND—Below MRL2024-02-07
PFMPAND—Below MRL2024-02-07
NEtFOSAAND—Below MRL2024-01-17
PFHxSND10Below MRL2024-02-07
11Cl-PF3OUdSND—Below MRL2024-02-07
9Cl-PF3ONSND—Below MRL2024-02-07
ADONAND—Below MRL2024-02-07
HFPO-DAND10Below MRL2024-02-07
PFBAND—Below MRL2024-02-07
6:2 FTSND—Below MRL2024-02-07
8:2 FTSND—Below MRL2024-02-07
PFPeAND—Below MRL2024-02-07
PFMBAND—Below MRL2024-02-07
PFEESAND—Below MRL2024-02-07
PFPeSND—Below MRL2024-02-07
lithiumND—Below MRL2024-01-17
PFTAND—Below MRL2024-01-17
NFDHAND—Below MRL2024-02-07
4:2 FTSND—Below MRL2024-02-07
PFHpSND—Below MRL2024-02-07
PFBAND—Below MRL2024-04-17
NEtFOSAAND—Below MRL2024-04-17
PFTrDAND—Below MRL2024-04-17
PFTAND—Below MRL2024-04-17
lithiumND—Below MRL2024-04-17
NFDHAND—Below MRL2024-04-17
PFHpSND—Below MRL2024-04-17
PFPeSND—Below MRL2024-04-17
PFEESAND—Below MRL2024-04-17
PFMBAND—Below MRL2024-04-17
PFPeAND—Below MRL2024-04-17
PFMPAND—Below MRL2024-04-17
8:2 FTSND—Below MRL2024-04-17
NMeFOSAAND—Below MRL2024-04-17
6:2 FTSND—Below MRL2024-04-17
PFHxSND10Below MRL2024-04-17
HFPO-DAND10Below MRL2024-04-17
ADONAND—Below MRL2024-04-17
9Cl-PF3ONSND—Below MRL2024-04-17
11Cl-PF3OUdSND—Below MRL2024-04-17
PFUnAND—Below MRL2024-04-17
PFHxAND—Below MRL2024-04-17
PFDoAND—Below MRL2024-04-17
PFDAND—Below MRL2024-04-17
PFOAND4Below MRL2024-04-17
PFOSND4Below MRL2024-04-17
PFNAND10Below MRL2024-04-17
PFHpAND—Below MRL2024-04-17
4:2 FTSND—Below MRL2024-04-17
PFBSND—Below MRL2024-04-17
PFHxSND10Below MRL2024-07-22
ADONAND—Below MRL2024-07-22
9Cl-PF3ONSND—Below MRL2024-07-22
11Cl-PF3OUdSND—Below MRL2024-07-22
PFDAND—Below MRL2024-07-22
PFOAND4Below MRL2024-07-22
HFPO-DAND10Below MRL2024-07-22
PFNAND10Below MRL2024-07-22
PFUnAND—Below MRL2024-07-22
PFHpAND—Below MRL2024-07-22
PFBSND—Below MRL2024-07-22
NMeFOSAAND—Below MRL2024-07-22
NEtFOSAAND—Below MRL2024-07-22
PFTrDAND—Below MRL2024-07-22
PFTAND—Below MRL2024-07-22
PFOSND4Below MRL2024-07-22
PFMPAND—Below MRL2024-07-22
lithiumND—Below MRL2024-07-22
PFDoAND—Below MRL2024-07-22
PFBAND—Below MRL2024-07-22
PFEESAND—Below MRL2024-07-22
8:2 FTSND—Below MRL2024-07-22
4:2 FTSND—Below MRL2024-07-22
6:2 FTSND—Below MRL2024-07-22
PFHpSND—Below MRL2024-07-22
PFPeSND—Below MRL2024-07-22
NFDHAND—Below MRL2024-07-22
PFMBAND—Below MRL2024-07-22
PFBAND—Below MRL2024-10-16
NFDHAND—Below MRL2024-10-16
PFMPAND—Below MRL2024-10-16
HFPO-DAND10Below MRL2024-10-16
6:2 FTSND—Below MRL2024-10-16
4:2 FTSND—Below MRL2024-10-16
8:2 FTSND—Below MRL2024-10-16
PFPeAND—Below MRL2024-10-16
PFMBAND—Below MRL2024-10-16
PFTrDAND—Below MRL2024-10-16
PFHpSND—Below MRL2024-10-16
PFEESAND—Below MRL2024-10-16
ADONAND—Below MRL2024-10-16
PFOSND4Below MRL2024-10-16
PFPeSND—Below MRL2024-10-16
PFHpAND—Below MRL2024-10-16
NEtFOSAAND—Below MRL2024-10-16
PFDAND—Below MRL2024-10-16
9Cl-PF3ONSND—Below MRL2024-10-16
PFTAND—Below MRL2024-10-16
NMeFOSAAND—Below MRL2024-10-16
PFBSND—Below MRL2024-10-16
lithiumND—Below MRL2024-10-16
PFHxSND10Below MRL2024-10-16
PFNAND10Below MRL2024-10-16
PFOAND4Below MRL2024-10-16
PFDoAND—Below MRL2024-10-16
PFPeA4.7—2024-07-22
PFPeA4.4—2024-07-22
PFHxA3.1—2024-07-22

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