PFAS Comply

COVINGTON WATER DISTRICT

PWSID: WA5341650 · Kent, WA · Serving 52,276 people

Type: CWSOwner: LSource: SW
Settlement eligible
May qualify for 3M/DuPont settlement funds
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Exceeds MCL

One or more PFAS compounds exceed EPA Maximum Contaminant Levels. Corrective action required by 2031.

Key contaminants vs MCL

PFOS8.6 ppt(MCL: 4 ppt)

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

Detection summary

5
PFAS compounds detected
14 ppt
Highest single detection
2024-07-15
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
6:2 FTSND—Below MRL2024-10-21
PFHxAND—Below MRL2024-05-15
PFBAND—Below MRL2024-05-15
ADONAND—Below MRL2024-05-15
9Cl-PF3ONSND—Below MRL2024-05-15
11Cl-PF3OUdSND—Below MRL2024-05-15
PFUnAND—Below MRL2024-05-15
PFDoAND—Below MRL2024-05-15
PFDAND—Below MRL2024-05-15
PFOAND4Below MRL2024-05-15
PFOAND4Below MRL2024-10-21
PFUnAND—Below MRL2024-10-21
PFNAND10Below MRL2024-10-21
NFDHAND—Below MRL2024-10-21
PFMBAND—Below MRL2024-10-21
PFMPAND—Below MRL2024-10-21
8:2 FTSND—Below MRL2024-10-21
4:2 FTSND—Below MRL2024-10-21
lithiumND—Below MRL2024-05-15
PFNAND10Below MRL2024-05-15
6:2 FTSND—Below MRL2024-05-15
PFHpAND—Below MRL2024-05-15
PFTAND—Below MRL2024-05-15
4:2 FTSND—Below MRL2024-05-15
HFPO-DAND10Below MRL2024-05-15
NMeFOSAAND—Below MRL2024-05-15
PFTrDAND—Below MRL2024-05-15
PFHpSND—Below MRL2024-05-15
PFPeSND—Below MRL2024-05-15
NFDHAND—Below MRL2024-05-15
PFEESAND—Below MRL2024-05-15
PFMBAND—Below MRL2024-05-15
PFMPAND—Below MRL2024-05-15
8:2 FTSND—Below MRL2024-05-15
NEtFOSAAND—Below MRL2024-05-15
6:2 FTSND—Below MRL2024-11-13
PFMBAND—Below MRL2024-11-13
PFMPAND—Below MRL2024-11-13
8:2 FTSND—Below MRL2024-11-13
4:2 FTSND—Below MRL2024-11-13
PFBAND—Below MRL2024-11-13
HFPO-DAND10Below MRL2024-11-13
ADONAND—Below MRL2024-11-13
9Cl-PF3ONSND—Below MRL2024-11-13
PFEESAND—Below MRL2024-11-13
PFUnAND—Below MRL2024-11-13
PFDoAND—Below MRL2024-11-13
11Cl-PF3OUdSND—Below MRL2024-11-13
PFTAND—Below MRL2024-11-13
lithiumND—Below MRL2024-11-13
PFPeSND—Below MRL2024-11-13
NFDHAND—Below MRL2024-11-13
PFTrDAND—Below MRL2024-11-13
NMeFOSAAND—Below MRL2024-11-13
PFDAND—Below MRL2024-11-13
PFOAND4Below MRL2024-11-13
PFNAND10Below MRL2024-11-13
PFHpAND—Below MRL2024-11-13
PFHpSND—Below MRL2024-11-13
NEtFOSAAND—Below MRL2024-11-13
PFPeSND—Below MRL2024-04-08
NMeFOSAAND—Below MRL2024-04-08
PFMPAND—Below MRL2024-04-08
8:2 FTSND—Below MRL2024-04-08
4:2 FTSND—Below MRL2024-04-08
6:2 FTSND—Below MRL2024-04-08
PFBAND—Below MRL2024-04-08
HFPO-DAND10Below MRL2024-04-08
ADONAND—Below MRL2024-04-08
9Cl-PF3ONSND—Below MRL2024-04-08
PFUnAND—Below MRL2024-04-08
NEtFOSAAND—Below MRL2024-04-08
PFTrDAND—Below MRL2024-04-08
PFTAND—Below MRL2024-04-08
PFHpSND—Below MRL2024-04-08
NFDHAND—Below MRL2024-04-08
lithiumND—Below MRL2024-04-08
11Cl-PF3OUdSND—Below MRL2024-04-08
PFEESAND—Below MRL2024-04-08
PFMBAND—Below MRL2024-04-08
PFBSND—Below MRL2024-04-08
PFHpAND—Below MRL2024-04-08
PFHxSND10Below MRL2024-04-08
PFNAND10Below MRL2024-04-08
PFOAND4Below MRL2024-04-08
PFDAND—Below MRL2024-04-08
PFDoAND—Below MRL2024-04-08
PFHxAND—Below MRL2024-04-08
PFPeAND—Below MRL2024-04-08
PFOSND4Below MRL2024-04-08
HFPO-DAND10Below MRL2024-10-21
PFMPAND—Below MRL2024-10-21
PFMBAND—Below MRL2024-10-21
PFEESAND—Below MRL2024-10-21
NFDHAND—Below MRL2024-10-21
PFPeSND—Below MRL2024-10-21
PFHpSND—Below MRL2024-10-21
11Cl-PF3OUdSND—Below MRL2024-10-21
PFTAND—Below MRL2024-10-21
ADONAND—Below MRL2024-10-21
PFBAND—Below MRL2024-10-21
8:2 FTSND—Below MRL2024-10-21
4:2 FTSND—Below MRL2024-10-21
9Cl-PF3ONSND—Below MRL2024-10-21
NMeFOSAAND—Below MRL2024-10-21
PFPeAND—Below MRL2024-10-21
6:2 FTSND—Below MRL2024-10-21
PFTrDAND—Below MRL2024-10-21
NEtFOSAAND—Below MRL2024-10-21
lithiumND—Below MRL2024-10-21
PFBSND—Below MRL2024-10-21
PFHpAND—Below MRL2024-10-21
PFHxSND10Below MRL2024-10-21
PFOSND4Below MRL2024-10-21
PFOAND4Below MRL2024-10-21
PFDAND—Below MRL2024-10-21
PFDoAND—Below MRL2024-10-21
PFHxAND—Below MRL2024-10-21
PFNAND10Below MRL2024-10-21
PFUnAND—Below MRL2024-10-21
4:2 FTSND—Below MRL2024-01-22
PFEESAND—Below MRL2024-01-22
8:2 FTSND—Below MRL2024-01-22
PFMPAND—Below MRL2024-01-22
PFPeAND—Below MRL2024-01-22
PFMBAND—Below MRL2024-01-22
NFDHAND—Below MRL2024-01-22
PFPeSND—Below MRL2024-01-22
PFHpSND—Below MRL2024-01-22
PFTAND—Below MRL2024-01-22
PFTrDAND—Below MRL2024-01-22
lithiumND—Below MRL2024-01-22
6:2 FTSND—Below MRL2024-01-22
PFNAND10Below MRL2024-01-22
NEtFOSAAND—Below MRL2024-01-22
PFDAND—Below MRL2024-01-22
PFHxAND—Below MRL2024-01-22
PFHpAND—Below MRL2024-01-22
PFDoAND—Below MRL2024-01-22
NMeFOSAAND—Below MRL2024-01-22
PFOAND4Below MRL2024-01-22
PFOSND4Below MRL2024-01-22
PFHxSND10Below MRL2024-01-22
PFBAND—Below MRL2024-01-22
PFBSND—Below MRL2024-01-22
PFUnAND—Below MRL2024-01-22
11Cl-PF3OUdSND—Below MRL2024-01-22
9Cl-PF3ONSND—Below MRL2024-01-22
ADONAND—Below MRL2024-01-22
HFPO-DAND10Below MRL2024-01-22
PFPeAND—Below MRL2024-04-08
PFMBAND—Below MRL2024-04-08
PFEESAND—Below MRL2024-04-08
NFDHAND—Below MRL2024-04-08
PFPeSND—Below MRL2024-04-08
PFHpSND—Below MRL2024-04-08
lithiumND—Below MRL2024-04-08
NMeFOSAAND—Below MRL2024-04-08
PFTrDAND—Below MRL2024-04-08
PFMPAND—Below MRL2024-04-08
NEtFOSAAND—Below MRL2024-04-08
PFOAND4Below MRL2024-04-08
PFTAND—Below MRL2024-04-08
PFOSND4Below MRL2024-04-08
PFDoAND—Below MRL2024-04-08
8:2 FTSND—Below MRL2024-04-08
PFHpAND—Below MRL2024-04-08
PFNAND10Below MRL2024-04-08
PFBSND—Below MRL2024-04-08
PFDAND—Below MRL2024-04-08
PFHxAND—Below MRL2024-04-08
PFUnAND—Below MRL2024-04-08
11Cl-PF3OUdSND—Below MRL2024-04-08
9Cl-PF3ONSND—Below MRL2024-04-08
ADONAND—Below MRL2024-04-08
HFPO-DAND10Below MRL2024-04-08
PFBAND—Below MRL2024-04-08
4:2 FTSND—Below MRL2024-04-08
6:2 FTSND—Below MRL2024-04-08
PFHxSND10Below MRL2024-04-08
PFDAND—Below MRL2024-07-15
6:2 FTSND—Below MRL2024-07-15
PFBAND—Below MRL2024-07-15
HFPO-DAND10Below MRL2024-07-15
ADONAND—Below MRL2024-07-15
9Cl-PF3ONSND—Below MRL2024-07-15
11Cl-PF3OUdSND—Below MRL2024-07-15
PFUnAND—Below MRL2024-07-15
PFDoAND—Below MRL2024-07-15
PFNAND10Below MRL2024-07-15
PFOAND4Below MRL2024-07-15
4:2 FTSND—Below MRL2024-07-15
PFOSND4Below MRL2024-07-15
PFBSND—Below MRL2024-07-15
PFHpAND—Below MRL2024-07-15
PFHxSND10Below MRL2024-07-15
PFHxAND—Below MRL2024-07-15
PFMPAND—Below MRL2024-07-15
PFPeAND—Below MRL2024-07-15
PFMBAND—Below MRL2024-07-15
PFEESAND—Below MRL2024-07-15
NFDHAND—Below MRL2024-07-15
PFHpSND—Below MRL2024-07-15
lithiumND—Below MRL2024-07-15
8:2 FTSND—Below MRL2024-07-15
PFTAND—Below MRL2024-07-15
PFPeSND—Below MRL2024-07-15
PFTrDAND—Below MRL2024-07-15
NEtFOSAAND—Below MRL2024-07-15
NMeFOSAAND—Below MRL2024-07-15
PFTAND—Below MRL2024-10-21
PFEESAND—Below MRL2024-10-21
NMeFOSAAND—Below MRL2024-10-21
PFTrDAND—Below MRL2024-10-21
NEtFOSAAND—Below MRL2024-10-21
PFDAND—Below MRL2024-10-21
PFPeSND—Below MRL2024-10-21
PFHpSND—Below MRL2024-10-21
lithiumND—Below MRL2024-10-21
PFBSND—Below MRL2024-10-21
PFHxSND10Below MRL2024-10-21
PFDoAND—Below MRL2024-10-21
PFHxAND—Below MRL2024-10-21
11Cl-PF3OUdSND—Below MRL2024-10-21
9Cl-PF3ONSND—Below MRL2024-10-21
ADONAND—Below MRL2024-10-21
HFPO-DAND10Below MRL2024-10-21
PFOSND4Below MRL2024-10-21
PFHpAND—Below MRL2024-10-21
PFBAND—Below MRL2024-10-21
PFPeAND—Below MRL2024-10-21
PFBS14—2024-11-13
PFBS13—2024-05-15
PFOS8.64Exceeds2024-05-15
PFOS8.34Exceeds2024-11-13
PFHxS7.510Detected2024-05-15
PFHxS6.610Detected2024-11-13
PFPeA3.9—2024-11-13
PFPeA3.4—2024-05-15
PFHxA3.3—2024-11-13

Next steps