PFAS Comply

WILMINGTON WATER DEPARTMENT

PWSID: DE0000663 · WILMINGTON, DE · Serving 107,976 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

PFOA9.9 ppt(MCL: 4 ppt)

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

Detection summary

6
PFAS compounds detected
32.2 ppt
Highest single detection
2023-08-09
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
NMeFOSAAND—Below MRL2023-11-07
6:2 FTSND—Below MRL2023-08-09
lithiumND—Below MRL2023-08-09
PFTrDAND—Below MRL2023-08-09
PFUnAND—Below MRL2023-08-09
11Cl-PF3OUdSND—Below MRL2023-08-09
9Cl-PF3ONSND—Below MRL2023-08-09
ADONAND—Below MRL2023-08-09
4:2 FTSND—Below MRL2023-08-09
8:2 FTSND—Below MRL2023-08-09
PFMPAND—Below MRL2023-08-09
PFMBAND—Below MRL2023-08-09
PFEESAND—Below MRL2023-08-09
NFDHAND—Below MRL2023-08-09
PFHpSND—Below MRL2023-08-09
HFPO-DAND10Below MRL2023-08-09
PFPeSND—Below MRL2023-08-09
11Cl-PF3OUdSND—Below MRL2023-11-07
PFHpSND—Below MRL2023-11-07
NFDHAND—Below MRL2023-11-07
PFEESAND—Below MRL2023-11-07
PFMBAND—Below MRL2023-11-07
PFMPAND—Below MRL2023-11-07
8:2 FTSND—Below MRL2023-11-07
4:2 FTSND—Below MRL2023-11-07
6:2 FTSND—Below MRL2023-11-07
HFPO-DAND10Below MRL2023-11-07
PFPeSND—Below MRL2023-11-07
NEtFOSAAND—Below MRL2023-11-07
9Cl-PF3ONSND—Below MRL2023-11-07
PFDoAND—Below MRL2023-11-07
PFDAND—Below MRL2023-11-07
PFOSND4Below MRL2023-11-07
PFNAND10Below MRL2023-11-07
PFHxSND10Below MRL2023-11-07
lithiumND—Below MRL2023-11-07
ADONAND—Below MRL2023-11-07
PFUnAND—Below MRL2023-11-07
PFTrDAND—Below MRL2023-11-07
PFTAND—Below MRL2023-11-07
6:2 FTSND—Below MRL2023-02-08
PFMBAND—Below MRL2023-02-08
PFMPAND—Below MRL2023-02-08
8:2 FTSND—Below MRL2023-02-08
4:2 FTSND—Below MRL2023-02-08
HFPO-DAND10Below MRL2023-02-08
PFEESAND—Below MRL2023-02-08
PFUnAND—Below MRL2023-02-08
PFDoAND—Below MRL2023-02-08
PFDAND—Below MRL2023-02-08
PFHxSND10Below MRL2023-02-08
PFHpAND—Below MRL2023-02-08
ADONAND—Below MRL2023-02-08
11Cl-PF3OUdSND—Below MRL2023-02-08
PFTrDAND—Below MRL2023-02-08
NMeFOSAAND—Below MRL2023-02-08
9Cl-PF3ONSND—Below MRL2023-02-08
NEtFOSAAND—Below MRL2023-02-08
NFDHAND—Below MRL2023-02-08
PFTAND—Below MRL2023-02-08
lithiumND—Below MRL2023-02-08
PFPeSND—Below MRL2023-02-08
PFOSND4Below MRL2023-02-08
PFNAND10Below MRL2023-02-08
PFHpSND—Below MRL2023-02-08
PFPeSND—Below MRL2024-01-31
11Cl-PF3OUdSND—Below MRL2024-01-31
ADONAND—Below MRL2024-01-31
HFPO-DAND10Below MRL2024-01-31
PFBAND—Below MRL2024-01-31
6:2 FTSND—Below MRL2024-01-31
4:2 FTSND—Below MRL2024-01-31
8:2 FTSND—Below MRL2024-01-31
PFMBAND—Below MRL2024-01-31
PFHpSND—Below MRL2024-01-31
NFDHAND—Below MRL2024-01-31
PFUnAND—Below MRL2024-01-31
NMeFOSAAND—Below MRL2023-05-10
NEtFOSAAND—Below MRL2023-05-10
PFTrDAND—Below MRL2023-05-10
PFTAND—Below MRL2023-05-10
lithiumND—Below MRL2023-05-10
PFEESAND—Below MRL2024-01-31
PFMPAND—Below MRL2024-01-31
PFBSND—Below MRL2024-01-31
PFHpAND—Below MRL2024-01-31
PFHxSND10Below MRL2024-01-31
9Cl-PF3ONSND—Below MRL2024-01-31
PFNAND10Below MRL2024-01-31
PFDoAND—Below MRL2024-01-31
PFDAND—Below MRL2024-01-31
PFOSND4Below MRL2024-01-31
NMeFOSAAND—Below MRL2023-08-09
lithiumND—Below MRL2023-08-09
PFUnAND—Below MRL2023-08-09
PFDoAND—Below MRL2023-08-09
PFDAND—Below MRL2023-08-09
11Cl-PF3OUdSND—Below MRL2023-08-09
PFOSND4Below MRL2023-08-09
PFBSND—Below MRL2023-08-09
PFTAND—Below MRL2023-08-09
PFHxSND10Below MRL2023-08-09
9Cl-PF3ONSND—Below MRL2023-08-09
NEtFOSAAND—Below MRL2023-08-09
PFTrDAND—Below MRL2023-08-09
6:2 FTSND—Below MRL2023-08-09
ADONAND—Below MRL2023-08-09
HFPO-DAND10Below MRL2023-08-09
PFNAND10Below MRL2023-08-09
4:2 FTSND—Below MRL2023-08-09
8:2 FTSND—Below MRL2023-08-09
PFMPAND—Below MRL2023-08-09
PFMBAND—Below MRL2023-08-09
PFEESAND—Below MRL2023-08-09
NFDHAND—Below MRL2023-08-09
PFPeSND—Below MRL2023-08-09
PFHpSND—Below MRL2023-08-09
PFHpSND—Below MRL2023-11-07
PFTrDAND—Below MRL2023-11-07
NEtFOSAAND—Below MRL2023-11-07
NMeFOSAAND—Below MRL2023-11-07
PFMBAND—Below MRL2023-11-07
PFEESAND—Below MRL2023-11-07
PFTAND—Below MRL2023-11-07
lithiumND—Below MRL2023-11-07
PFPeSND—Below MRL2023-11-07
PFHxSND10Below MRL2023-11-07
NFDHAND—Below MRL2023-11-07
11Cl-PF3OUdSND—Below MRL2023-11-07
PFNAND10Below MRL2023-11-07
PFDAND—Below MRL2023-11-07
PFDoAND—Below MRL2023-11-07
PFOSND4Below MRL2023-11-07
PFUnAND—Below MRL2023-11-07
9Cl-PF3ONSND—Below MRL2023-11-07
ADONAND—Below MRL2023-11-07
HFPO-DAND10Below MRL2023-11-07
6:2 FTSND—Below MRL2023-11-07
4:2 FTSND—Below MRL2023-11-07
8:2 FTSND—Below MRL2023-11-07
PFMPAND—Below MRL2023-11-07
4:2 FTSND—Below MRL2023-02-08
PFNAND10Below MRL2023-02-08
PFMPAND—Below MRL2023-02-08
NMeFOSAAND—Below MRL2023-02-08
NEtFOSAAND—Below MRL2023-02-08
PFTrDAND—Below MRL2023-02-08
PFUnAND—Below MRL2023-02-08
PFOSND4Below MRL2023-02-08
PFHpSND—Below MRL2023-02-08
NFDHAND—Below MRL2023-02-08
PFEESAND—Below MRL2023-02-08
PFMBAND—Below MRL2023-02-08
8:2 FTSND—Below MRL2023-02-08
6:2 FTSND—Below MRL2023-02-08
PFHxSND10Below MRL2023-02-08
PFPeSND—Below MRL2023-02-08
PFTAND—Below MRL2023-02-08
PFHpAND—Below MRL2023-02-08
lithiumND—Below MRL2023-02-08
PFDAND—Below MRL2023-02-08
PFDoAND—Below MRL2023-02-08
11Cl-PF3OUdSND—Below MRL2023-02-08
9Cl-PF3ONSND—Below MRL2023-02-08
ADONAND—Below MRL2023-02-08
HFPO-DAND10Below MRL2023-02-08
PFBSND—Below MRL2023-02-08
6:2 FTSND—Below MRL2024-01-31
PFMBAND—Below MRL2024-01-31
4:2 FTSND—Below MRL2024-01-31
8:2 FTSND—Below MRL2024-01-31
PFMPAND—Below MRL2024-01-31
PFEESAND—Below MRL2024-01-31
NFDHAND—Below MRL2024-01-31
PFPeSND—Below MRL2024-01-31
PFHpSND—Below MRL2024-01-31
PFTAND—Below MRL2023-05-10
NEtFOSAAND—Below MRL2023-05-10
NMeFOSAAND—Below MRL2023-05-10
9Cl-PF3ONSND—Below MRL2024-01-31
PFTrDAND—Below MRL2023-05-10
PFOSND4Below MRL2024-01-31
HFPO-DAND10Below MRL2024-01-31
ADONAND—Below MRL2024-01-31
PFNAND10Below MRL2024-01-31
lithiumND—Below MRL2023-05-10
PFDAND—Below MRL2024-01-31
PFDoAND—Below MRL2024-01-31
PFUnAND—Below MRL2024-01-31
11Cl-PF3OUdSND—Below MRL2024-01-31
PFBSND—Below MRL2024-01-31
PFHxSND10Below MRL2024-01-31
PFDAND—Below MRL2023-08-09
PFOSND4Below MRL2023-08-09
PFNAND10Below MRL2023-08-09
PFHxSND10Below MRL2023-08-09
NMeFOSAAND—Below MRL2023-08-09
NEtFOSAAND—Below MRL2023-08-09
PFDoAND—Below MRL2023-08-09
PFTAND—Below MRL2023-08-09
PFPeA32.2—2023-11-07
PFHxA21.1—2023-11-07
PFPeA19.8—2023-11-07
PFBA14.1—2024-01-31
PFHxA13.7—2023-11-07
PFHxA12.3—2024-01-31
PFPeA11.6—2024-01-31
PFBA10.5—2023-08-09
PFBA10.2—2023-08-09
PFOA9.94Exceeds2024-01-31
PFOA9.14Exceeds2023-11-07
PFPeA8.6—2023-08-09
PFOA8.54Exceeds2023-11-07
PFHpA8.4—2024-01-31
PFPeA8.2—2023-08-09
PFHxA7.7—2023-08-09
PFHxA7.7—2023-08-09
PFOA6.84Exceeds2023-08-09
PFOA6.74Exceeds2023-08-09
PFBA6.6—2023-11-07
PFBA6.2—2023-11-07
PFBA5.6—2023-02-08
PFOA5.24Exceeds2023-02-08
PFOA5.24Exceeds2023-02-08
PFBA5.2—2023-02-08
PFOA54Exceeds2024-01-31
PFPeA4.8—2023-02-08
PFHxA4.7—2023-02-08
PFPeA4.7—2023-02-08
PFHxA4.6—2023-02-08
PFHxA4.1—2024-01-31
PFHpA4—2023-08-09
PFPeA3.8—2024-01-31
PFHpA3.7—2023-08-09
PFBS3.6—2023-11-07
PFBS3.5—2023-11-07
PFHpA3.4—2023-11-07
PFHpA3.4—2023-11-07
PFBS3.3—2023-08-09
PFBS3—2023-02-08

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