PFAS Comply

DUPONT WATER SYSTEM CITY OF

PWSID: WA5320500 · DuPont, WA · Serving 13,141 people

Type: CWSOwner: LSource: GW
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
2025-07-14
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
6:2 FTSND—Below MRL2025-01-28
PFHpAND—Below MRL2025-01-28
PFHxSND10Below MRL2025-01-28
PFNAND10Below MRL2025-01-28
PFOSND4Below MRL2025-01-28
PFOAND4Below MRL2025-01-28
PFDAND—Below MRL2025-01-28
PFDoAND—Below MRL2025-01-28
PFHxAND—Below MRL2025-01-28
PFUnAND—Below MRL2025-01-28
11Cl-PF3OUdSND—Below MRL2025-01-28
9Cl-PF3ONSND—Below MRL2025-01-28
ADONAND—Below MRL2025-01-28
lithiumND—Below MRL2025-01-28
PFBAND—Below MRL2025-01-28
NFDHAND—Below MRL2025-01-28
NMeFOSAAND—Below MRL2025-01-28
NEtFOSAAND—Below MRL2025-01-28
PFTrDAND—Below MRL2025-01-28
PFTAND—Below MRL2025-01-28
HFPO-DAND10Below MRL2025-01-28
PFPeSND—Below MRL2025-01-28
PFBSND—Below MRL2025-01-28
PFEESAND—Below MRL2025-01-28
PFMBAND—Below MRL2025-01-28
PFPeAND—Below MRL2025-01-28
PFMPAND—Below MRL2025-01-28
8:2 FTSND—Below MRL2025-01-28
4:2 FTSND—Below MRL2025-01-28
PFHpSND—Below MRL2025-01-28
PFHxAND—Below MRL2025-07-14
PFEESAND—Below MRL2025-07-14
PFDAND—Below MRL2025-07-14
lithiumND—Below MRL2025-07-14
NMeFOSAAND—Below MRL2025-07-14
NEtFOSAAND—Below MRL2025-07-14
PFTrDAND—Below MRL2025-07-14
PFTAND—Below MRL2025-07-14
PFHpSND—Below MRL2025-07-14
NFDHAND—Below MRL2025-07-14
PFMBAND—Below MRL2025-07-14
PFPeAND—Below MRL2025-07-14
PFMPAND—Below MRL2025-07-14
8:2 FTSND—Below MRL2025-07-14
4:2 FTSND—Below MRL2025-07-14
6:2 FTSND—Below MRL2025-07-14
PFDoAND—Below MRL2025-07-14
PFHpAND—Below MRL2025-07-14
PFPeSND—Below MRL2025-07-14
PFBAND—Below MRL2025-07-14
PFNAND10Below MRL2025-07-14
PFOSND4Below MRL2025-07-14
PFBSND—Below MRL2025-07-14
PFHxSND10Below MRL2025-07-14
PFUnAND—Below MRL2025-07-14
11Cl-PF3OUdSND—Below MRL2025-07-14
9Cl-PF3ONSND—Below MRL2025-07-14
ADONAND—Below MRL2025-07-14
HFPO-DAND10Below MRL2025-07-14
PFOAND4Below MRL2025-07-14
PFMPAND—Below MRL2025-01-28
8:2 FTSND—Below MRL2025-01-28
4:2 FTSND—Below MRL2025-01-28
NFDHAND—Below MRL2025-01-28
PFPeAND—Below MRL2025-01-28
PFMBAND—Below MRL2025-01-28
PFEESAND—Below MRL2025-01-28
PFPeSND—Below MRL2025-01-28
PFHpSND—Below MRL2025-01-28
NMeFOSAAND—Below MRL2025-01-28
NEtFOSAAND—Below MRL2025-01-28
PFTAND—Below MRL2025-01-28
6:2 FTSND—Below MRL2025-01-28
lithiumND—Below MRL2025-01-28
PFOAND4Below MRL2025-01-28
PFTrDAND—Below MRL2025-01-28
PFOSND4Below MRL2025-01-28
PFBSND—Below MRL2025-01-28
PFHpAND—Below MRL2025-01-28
PFHxSND10Below MRL2025-01-28
PFDoAND—Below MRL2025-01-28
PFNAND10Below MRL2025-01-28
PFBAND—Below MRL2025-01-28
PFDAND—Below MRL2025-01-28
ADONAND—Below MRL2025-01-28
HFPO-DAND10Below MRL2025-01-28
9Cl-PF3ONSND—Below MRL2025-01-28
11Cl-PF3OUdSND—Below MRL2025-01-28
PFUnAND—Below MRL2025-01-28
PFHxAND—Below MRL2025-01-28
PFTrDAND—Below MRL2025-07-14
NEtFOSAAND—Below MRL2025-07-14
8:2 FTSND—Below MRL2025-07-14
PFHxSND10Below MRL2025-07-14
PFTAND—Below MRL2025-07-14
PFHpSND—Below MRL2025-07-14
PFPeSND—Below MRL2025-07-14
NFDHAND—Below MRL2025-07-14
PFEESAND—Below MRL2025-07-14
PFMBAND—Below MRL2025-07-14
PFPeAND—Below MRL2025-07-14
PFMPAND—Below MRL2025-07-14
NMeFOSAAND—Below MRL2025-07-14
PFHpAND—Below MRL2025-07-14
PFOSND4Below MRL2025-07-14
4:2 FTSND—Below MRL2025-07-14
PFBSND—Below MRL2025-07-14
PFNAND10Below MRL2025-07-14
PFOAND4Below MRL2025-07-14
PFDAND—Below MRL2025-07-14
PFDoAND—Below MRL2025-07-14
PFUnAND—Below MRL2025-07-14
11Cl-PF3OUdSND—Below MRL2025-07-14
9Cl-PF3ONSND—Below MRL2025-07-14
ADONAND—Below MRL2025-07-14
HFPO-DAND10Below MRL2025-07-14
PFHxAND—Below MRL2025-07-14
lithiumND—Below MRL2025-07-14
PFBAND—Below MRL2025-07-14
6:2 FTSND—Below MRL2025-07-14

Next steps