PFAS Comply

NORTH WALES WATER AUTHORITY

PWSID: PA1460048 · NORTH WALES, PA · Serving 72,496 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

PFOA13 ppt(MCL: 4 ppt)
PFOS11.1 ppt(MCL: 4 ppt)

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

Detection summary

10
PFAS compounds detected
9650 ppt
Highest single detection
2024-08-14
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
9Cl-PF3ONSND—Below MRL2025-05-14
PFTAND—Below MRL2024-08-14
PFTrDAND—Below MRL2024-08-14
NEtFOSAAND—Below MRL2024-08-14
PFOSND4Below MRL2024-11-13
PFNAND10Below MRL2024-11-13
PFHxSND10Below MRL2024-11-13
PFHpAND—Below MRL2024-11-13
HFPO-DAND10Below MRL2024-11-13
PFTAND—Below MRL2024-11-13
PFTrDAND—Below MRL2024-11-13
NEtFOSAAND—Below MRL2024-11-13
NMeFOSAAND—Below MRL2024-11-13
lithiumND—Below MRL2024-11-13
PFTrDAND—Below MRL2025-02-11
6:2 FTSND—Below MRL2025-02-11
4:2 FTSND—Below MRL2025-02-11
PFMPAND—Below MRL2025-02-11
PFMBAND—Below MRL2025-02-11
PFEESAND—Below MRL2025-02-11
NFDHAND—Below MRL2025-02-11
PFBAND—Below MRL2025-02-11
NEtFOSAAND—Below MRL2025-02-11
8:2 FTSND—Below MRL2025-02-11
PFTAND—Below MRL2025-02-11
PFHpSND—Below MRL2025-02-11
PFPeSND—Below MRL2025-02-11
NMeFOSAAND—Below MRL2025-02-11
PFNAND10Below MRL2025-02-11
lithiumND—Below MRL2025-02-11
PFBSND—Below MRL2025-02-11
PFPeAND—Below MRL2025-02-11
PFHxSND10Below MRL2025-02-11
HFPO-DAND10Below MRL2025-02-11
PFOSND4Below MRL2025-02-11
PFOAND4Below MRL2025-02-11
PFDAND—Below MRL2025-02-11
PFHxAND—Below MRL2025-02-11
PFUnAND—Below MRL2025-02-11
11Cl-PF3OUdSND—Below MRL2025-02-11
9Cl-PF3ONSND—Below MRL2025-02-11
ADONAND—Below MRL2025-02-11
PFDoAND—Below MRL2025-02-11
PFHpAND—Below MRL2025-02-11
NMeFOSAAND—Below MRL2025-05-14
6:2 FTSND—Below MRL2025-05-14
4:2 FTSND—Below MRL2025-05-14
8:2 FTSND—Below MRL2025-05-14
PFMPAND—Below MRL2025-05-14
PFPeAND—Below MRL2025-05-14
PFMBAND—Below MRL2025-05-14
PFTAND—Below MRL2025-05-14
NEtFOSAAND—Below MRL2025-05-14
PFDAND—Below MRL2025-05-14
PFBAND—Below MRL2025-05-14
lithiumND—Below MRL2025-05-14
PFTrDAND—Below MRL2025-05-14
PFHpAND—Below MRL2025-05-14
PFEESAND—Below MRL2025-05-14
PFHxAND—Below MRL2025-05-14
HFPO-DAND10Below MRL2025-05-14
PFPeSND—Below MRL2025-05-14
NFDHAND—Below MRL2025-05-14
PFBSND—Below MRL2025-05-14
PFHxSND10Below MRL2025-05-14
PFNAND10Below MRL2025-05-14
11Cl-PF3OUdSND—Below MRL2025-05-14
PFOAND4Below MRL2025-05-14
ADONAND—Below MRL2025-05-14
PFDoAND—Below MRL2025-05-14
PFUnAND—Below MRL2025-05-14
PFOSND4Below MRL2025-05-14
PFHpSND—Below MRL2025-05-14
PFNAND10Below MRL2024-08-14
NMeFOSAAND—Below MRL2024-08-14
8:2 FTSND—Below MRL2024-08-14
PFMBAND—Below MRL2024-08-14
PFEESAND—Below MRL2024-08-14
NFDHAND—Below MRL2024-08-14
PFPeSND—Below MRL2024-08-14
PFHpSND—Below MRL2024-08-14
PFMPAND—Below MRL2024-08-14
PFUnAND—Below MRL2024-08-14
4:2 FTSND—Below MRL2024-08-14
6:2 FTSND—Below MRL2024-08-14
PFBAND—Below MRL2024-08-14
HFPO-DAND10Below MRL2024-08-14
ADONAND—Below MRL2024-08-14
PFHpAND—Below MRL2024-08-14
11Cl-PF3OUdSND—Below MRL2024-08-14
PFHxSND10Below MRL2024-08-14
PFHxAND—Below MRL2024-08-14
PFDoAND—Below MRL2024-08-14
PFDAND—Below MRL2024-08-14
lithiumND—Below MRL2024-08-14
9Cl-PF3ONSND—Below MRL2024-08-14
4:2 FTSND—Below MRL2025-02-11
PFBAND—Below MRL2025-02-11
HFPO-DAND10Below MRL2025-02-11
ADONAND—Below MRL2025-02-11
11Cl-PF3OUdSND—Below MRL2025-02-11
PFEESAND—Below MRL2025-02-11
9Cl-PF3ONSND—Below MRL2025-02-11
PFMPAND—Below MRL2025-02-11
PFUnAND—Below MRL2025-02-11
PFMBAND—Below MRL2025-02-11
6:2 FTSND—Below MRL2025-02-11
PFHpSND—Below MRL2025-02-11
NFDHAND—Below MRL2025-02-11
PFPeSND—Below MRL2025-02-11
PFPeAND—Below MRL2025-02-11
NEtFOSAAND—Below MRL2025-02-11
PFHxAND—Below MRL2025-02-11
8:2 FTSND—Below MRL2025-02-11
NMeFOSAAND—Below MRL2025-02-11
PFTrDAND—Below MRL2025-02-11
PFTAND—Below MRL2025-02-11
lithiumND—Below MRL2025-02-11
PFHxSND10Below MRL2025-02-11
PFNAND10Below MRL2025-02-11
PFDoAND—Below MRL2025-02-11
PFOSND4Below MRL2025-02-11
PFDAND—Below MRL2025-02-11
PFHpAND—Below MRL2025-02-11
PFPeSND—Below MRL2024-08-14
HFPO-DAND10Below MRL2024-08-14
PFBAND—Below MRL2024-08-14
6:2 FTSND—Below MRL2024-08-14
4:2 FTSND—Below MRL2024-08-14
8:2 FTSND—Below MRL2024-08-14
PFMPAND—Below MRL2024-08-14
PFMBAND—Below MRL2024-08-14
PFTAND—Below MRL2024-08-14
NFDHAND—Below MRL2024-08-14
PFHpSND—Below MRL2024-08-14
PFUnAND—Below MRL2024-08-14
PFTrDAND—Below MRL2024-08-14
NEtFOSAAND—Below MRL2024-08-14
NMeFOSAAND—Below MRL2024-08-14
PFEESAND—Below MRL2024-08-14
PFHpAND—Below MRL2024-08-14
9Cl-PF3ONSND—Below MRL2024-08-14
ADONAND—Below MRL2024-08-14
PFHxSND10Below MRL2024-08-14
PFNAND10Below MRL2024-08-14
PFDAND—Below MRL2024-08-14
PFDoAND—Below MRL2024-08-14
11Cl-PF3OUdSND—Below MRL2024-08-14
PFMPAND—Below MRL2025-02-11
HFPO-DAND10Below MRL2025-02-11
PFBAND—Below MRL2025-02-11
6:2 FTSND—Below MRL2025-02-11
4:2 FTSND—Below MRL2025-02-11
8:2 FTSND—Below MRL2025-02-11
ADONAND—Below MRL2025-02-11
PFMBAND—Below MRL2025-02-11
PFEESAND—Below MRL2025-02-11
9Cl-PF3ONSND—Below MRL2025-02-11
PFHpSND—Below MRL2025-02-11
PFPeSND—Below MRL2025-02-11
NFDHAND—Below MRL2025-02-11
PFNAND10Below MRL2025-02-11
PFTAND—Below MRL2025-02-11
11Cl-PF3OUdSND—Below MRL2025-02-11
PFTrDAND—Below MRL2025-02-11
NMeFOSAAND—Below MRL2025-02-11
PFHpAND—Below MRL2025-02-11
PFHxSND10Below MRL2025-02-11
PFDAND—Below MRL2025-02-11
PFDoAND—Below MRL2025-02-11
PFUnAND—Below MRL2025-02-11
NEtFOSAAND—Below MRL2025-02-11
9Cl-PF3ONSND—Below MRL2024-08-14
8:2 FTSND—Below MRL2024-08-14
PFHxSND10Below MRL2024-08-14
PFDAND—Below MRL2024-08-14
PFUnAND—Below MRL2024-08-14
11Cl-PF3OUdSND—Below MRL2024-08-14
ADONAND—Below MRL2024-08-14
HFPO-DAND10Below MRL2024-08-14
4:2 FTSND—Below MRL2024-08-14
PFDoAND—Below MRL2024-08-14
PFMPAND—Below MRL2024-08-14
PFMBAND—Below MRL2024-08-14
PFEESAND—Below MRL2024-08-14
NFDHAND—Below MRL2024-08-14
PFPeSND—Below MRL2024-08-14
PFHpSND—Below MRL2024-08-14
PFTAND—Below MRL2024-08-14
PFTrDAND—Below MRL2024-08-14
NEtFOSAAND—Below MRL2024-08-14
NMeFOSAAND—Below MRL2024-08-14
lithiumND—Below MRL2024-08-14
6:2 FTSND—Below MRL2024-08-14
PFEESAND—Below MRL2025-03-19
8:2 FTSND—Below MRL2025-03-19
PFMPAND—Below MRL2025-03-19
PFTAND—Below MRL2025-03-19
PFTrDAND—Below MRL2025-03-19
NEtFOSAAND—Below MRL2025-03-19
NMeFOSAAND—Below MRL2025-03-19
PFMBAND—Below MRL2025-03-19
NFDHAND—Below MRL2025-03-19
lithiumND—Below MRL2025-03-19
4:2 FTSND—Below MRL2025-03-19
6:2 FTSND—Below MRL2025-03-19
PFBAND—Below MRL2025-03-19
HFPO-DAND10Below MRL2025-03-19
ADONAND—Below MRL2025-03-19
PFHpSND—Below MRL2025-03-19
9Cl-PF3ONSND—Below MRL2025-03-19
PFHxSND10Below MRL2025-03-19
PFPeSND—Below MRL2025-03-19
PFDAND—Below MRL2025-03-19
PFDoAND—Below MRL2025-03-19
PFUnAND—Below MRL2025-03-19
11Cl-PF3OUdSND—Below MRL2025-03-19
PFNAND10Below MRL2025-03-19
NFDHAND—Below MRL2024-08-14
11Cl-PF3OUdSND—Below MRL2024-08-14
4:2 FTSND—Below MRL2024-08-14
9Cl-PF3ONSND—Below MRL2024-08-14
ADONAND—Below MRL2024-08-14
HFPO-DAND10Below MRL2024-08-14
6:2 FTSND—Below MRL2024-08-14
8:2 FTSND—Below MRL2024-08-14
PFMPAND—Below MRL2024-08-14
PFUnAND—Below MRL2024-08-14
PFEESAND—Below MRL2024-08-14
PFPeSND—Below MRL2024-08-14
PFHpSND—Below MRL2024-08-14
PFMBAND—Below MRL2024-08-14
NEtFOSAAND—Below MRL2024-08-14
lithiumND—Below MRL2024-08-14
PFDoAND—Below MRL2024-08-14
PFTrDAND—Below MRL2024-08-14
NMeFOSAAND—Below MRL2024-08-14
PFNAND10Below MRL2024-08-14
PFDAND—Below MRL2024-08-14
PFTAND—Below MRL2024-08-14
ADONAND—Below MRL2025-02-11
PFNAND10Below MRL2025-02-11
PFDAND—Below MRL2025-02-11
PFDoAND—Below MRL2025-02-11
PFUnAND—Below MRL2025-02-11
9Cl-PF3ONSND—Below MRL2025-02-11
PFMBAND—Below MRL2025-02-11
HFPO-DAND10Below MRL2025-02-11
11Cl-PF3OUdSND—Below MRL2025-02-11
PFTrDAND—Below MRL2025-02-11
NFDHAND—Below MRL2025-02-11
PFTAND—Below MRL2025-02-11
NEtFOSAAND—Below MRL2025-02-11
NMeFOSAAND—Below MRL2025-02-11
lithiumND—Below MRL2025-02-11
6:2 FTSND—Below MRL2025-02-11
4:2 FTSND—Below MRL2025-02-11
PFMPAND—Below MRL2025-02-11
PFEESAND—Below MRL2025-02-11
PFPeSND—Below MRL2025-02-11
8:2 FTSND—Below MRL2025-02-11
PFHpSND—Below MRL2025-02-11
PFPeSND—Below MRL2024-08-14
PFBAND—Below MRL2024-08-14
6:2 FTSND—Below MRL2024-08-14
4:2 FTSND—Below MRL2024-08-14
8:2 FTSND—Below MRL2024-08-14
PFMPAND—Below MRL2024-08-14
PFMBAND—Below MRL2024-08-14
NEtFOSAAND—Below MRL2024-08-14
NFDHAND—Below MRL2024-08-14
NMeFOSAAND—Below MRL2024-08-14
HFPO-DAND10Below MRL2024-08-14
PFTAND—Below MRL2024-08-14
PFTrDAND—Below MRL2024-08-14
PFEESAND—Below MRL2024-08-14
PFHpSND—Below MRL2024-08-14
lithiumND—Below MRL2024-08-14
PFNAND10Below MRL2024-08-14
ADONAND—Below MRL2024-08-14
PFDAND—Below MRL2024-08-14
PFDoAND—Below MRL2024-08-14
PFUnAND—Below MRL2024-08-14
11Cl-PF3OUdSND—Below MRL2024-08-14
9Cl-PF3ONSND—Below MRL2024-08-14
PFHxSND10Below MRL2024-08-14
lithiumND—Below MRL2025-02-11
NMeFOSAAND—Below MRL2025-02-11
NEtFOSAAND—Below MRL2025-02-11
PFEESAND—Below MRL2025-02-11
PFTrDAND—Below MRL2025-02-11
PFHpSND—Below MRL2025-02-11
PFTAND—Below MRL2025-02-11
NFDHAND—Below MRL2025-02-11
PFMBAND—Below MRL2025-02-11
PFMPAND—Below MRL2025-02-11
8:2 FTSND—Below MRL2025-02-11
4:2 FTSND—Below MRL2025-02-11
6:2 FTSND—Below MRL2025-02-11
PFBAND—Below MRL2025-02-11
PFNAND10Below MRL2025-02-11
PFPeSND—Below MRL2025-02-11
HFPO-DAND10Below MRL2025-02-11
PFHxSND10Below MRL2025-02-11
PFDAND—Below MRL2025-02-11
PFDoAND—Below MRL2025-02-11
PFUnAND—Below MRL2025-02-11
11Cl-PF3OUdSND—Below MRL2025-02-11
9Cl-PF3ONSND—Below MRL2025-02-11
ADONAND—Below MRL2025-02-11
6:2 FTSND—Below MRL2024-08-14
PFUnAND—Below MRL2024-08-14
11Cl-PF3OUdSND—Below MRL2024-08-14
9Cl-PF3ONSND—Below MRL2024-08-14
ADONAND—Below MRL2024-08-14
HFPO-DAND10Below MRL2024-08-14
PFBAND—Below MRL2024-08-14
4:2 FTSND—Below MRL2024-08-14
PFDoAND—Below MRL2024-08-14
8:2 FTSND—Below MRL2024-08-14
PFMPAND—Below MRL2024-08-14
NFDHAND—Below MRL2024-08-14
PFPeSND—Below MRL2024-08-14
PFHpSND—Below MRL2024-08-14
PFMBAND—Below MRL2024-08-14
NMeFOSAAND—Below MRL2024-08-14
PFEESAND—Below MRL2024-08-14
PFTAND—Below MRL2024-08-14
NEtFOSAAND—Below MRL2024-08-14
PFDAND—Below MRL2024-08-14
lithiumND—Below MRL2024-08-14
PFHxSND10Below MRL2024-08-14
PFNAND10Below MRL2024-08-14
PFTrDAND—Below MRL2024-08-14
HFPO-DAND10Below MRL2025-02-11
PFUnAND—Below MRL2025-02-11
11Cl-PF3OUdSND—Below MRL2025-02-11
9Cl-PF3ONSND—Below MRL2025-02-11
ADONAND—Below MRL2025-02-11
PFBAND—Below MRL2025-02-11
4:2 FTSND—Below MRL2025-02-11
PFMPAND—Below MRL2025-02-11
PFPeAND—Below MRL2025-02-11
PFDoAND—Below MRL2025-02-11
NFDHAND—Below MRL2025-02-11
6:2 FTSND—Below MRL2025-02-11
PFMBAND—Below MRL2025-02-11
NEtFOSAAND—Below MRL2025-02-11
8:2 FTSND—Below MRL2025-02-11
PFDAND—Below MRL2025-02-11
NMeFOSAAND—Below MRL2025-02-11
PFTrDAND—Below MRL2025-02-11
PFTAND—Below MRL2025-02-11
PFEESAND—Below MRL2025-02-11
lithiumND—Below MRL2025-02-11
PFHpSND—Below MRL2025-02-11
PFHpAND—Below MRL2025-02-11
PFHxSND10Below MRL2025-02-11
PFNAND10Below MRL2025-02-11
PFPeSND—Below MRL2025-02-11
PFHpSND—Below MRL2024-08-14
6:2 FTSND—Below MRL2024-08-14
4:2 FTSND—Below MRL2024-08-14
8:2 FTSND—Below MRL2024-08-14
PFMPAND—Below MRL2024-08-14
PFPeAND—Below MRL2024-08-14
PFMBAND—Below MRL2024-08-14
PFEESAND—Below MRL2024-08-14
lithiumND—Below MRL2024-08-14
PFPeSND—Below MRL2024-08-14
PFHxSND10Below MRL2024-08-14
PFBAND—Below MRL2024-08-14
PFDAND—Below MRL2024-08-14
PFBSND—Below MRL2024-08-14
NFDHAND—Below MRL2024-08-14
PFOAND4Below MRL2024-08-14
PFHpAND—Below MRL2024-08-14
NMeFOSAAND—Below MRL2024-08-14
NEtFOSAAND—Below MRL2024-08-14
PFTrDAND—Below MRL2024-08-14
PFDoAND—Below MRL2024-08-14
PFOSND4Below MRL2024-08-14
HFPO-DAND10Below MRL2024-08-14
PFNAND10Below MRL2024-08-14
PFHxAND—Below MRL2024-08-14
PFUnAND—Below MRL2024-08-14
11Cl-PF3OUdSND—Below MRL2024-08-14
9Cl-PF3ONSND—Below MRL2024-08-14
ADONAND—Below MRL2024-08-14
PFTAND—Below MRL2024-08-14
NFDHAND—Below MRL2024-11-13
9Cl-PF3ONSND—Below MRL2024-11-13
PFHpSND—Below MRL2024-11-13
PFPeSND—Below MRL2024-11-13
PFEESAND—Below MRL2024-11-13
PFPeAND—Below MRL2024-11-13
PFMPAND—Below MRL2024-11-13
8:2 FTSND—Below MRL2024-11-13
4:2 FTSND—Below MRL2024-11-13
6:2 FTSND—Below MRL2024-11-13
PFBAND—Below MRL2024-11-13
PFMBAND—Below MRL2024-11-13
ADONAND—Below MRL2024-11-13
PFBSND—Below MRL2024-11-13
11Cl-PF3OUdSND—Below MRL2024-11-13
PFUnAND—Below MRL2024-11-13
PFHxAND—Below MRL2024-11-13
PFDoAND—Below MRL2024-11-13
PFDAND—Below MRL2024-11-13
PFOAND4Below MRL2024-11-13
lithium9650—2025-02-11
lithium9060—2024-08-14
PFOA134Exceeds2024-08-14
PFOA11.44Exceeds2025-02-11
PFOA11.34Exceeds2024-08-14
PFOS11.14Exceeds2024-08-14
PFOS10.84Exceeds2025-02-11
PFOS10.44Exceeds2024-08-14
PFOA104Exceeds2024-08-14
PFOS9.54Exceeds2025-02-11
PFOS9.54Exceeds2024-08-14
PFPeA9.3—2024-08-14
PFOA9.14Exceeds2024-08-14
PFPeA9—2024-08-14
PFOA8.34Exceeds2025-02-11
PFOA8.24Exceeds2025-02-11
PFHxA8.1—2024-08-14
PFOA7.94Exceeds2024-08-14
PFOS7.84Exceeds2024-08-14
PFOA7.74Exceeds2025-02-11
PFOA7.54Exceeds2025-03-19
PFPeA7.4—2024-08-14
PFPeA7—2025-02-11
PFBA6.8—2024-08-14
PFBS6.4—2024-08-14
PFBS6.3—2025-02-11
PFOS6.24Exceeds2024-08-14
PFHxA6.2—2025-02-11
PFBS6.1—2024-08-14
PFHxA6—2024-08-14
PFBS6—2024-08-14
PFOS5.94Exceeds2025-02-11
PFHxA5.8—2024-08-14
PFHpA5.8—2024-08-14
PFPeA5.7—2025-02-11
PFBA5.7—2025-02-11
PFBA5.7—2024-08-14
PFOS5.74Exceeds2025-02-11
PFNA5.610Detected2024-08-14
PFOA5.64Exceeds2025-02-11
PFHxA5.5—2025-03-19
PFBS5.5—2025-02-11
PFOA5.44Exceeds2024-08-14
PFPeA5.3—2025-03-19
PFOS5.24Exceeds2024-08-14
PFBS5.2—2024-08-14
PFHxA5.2—2024-08-14
PFOS54Exceeds2025-03-19
PFHxA4.9—2025-02-11
PFHxA4.8—2025-02-11
PFBS4.8—2025-03-19
PFHxA4.5—2024-08-14
PFPeA4.3—2024-08-14
PFBS4.1—2025-02-11
PFPeA4—2024-08-14
PFBS3.8—2025-02-11
PFPeA3.8—2025-02-11
PFHxS3.710Detected2025-02-11
PFHxS3.610Detected2024-08-14
PFHpA3.5—2025-02-11
PFBS3.5—2025-02-11
PFHxA3.5—2025-02-11
PFHpA3.5—2025-03-19
PFHpA3.4—2025-02-11
PFBS3.3—2024-08-14
PFHpA3.3—2024-08-14
PFBS3.3—2024-08-14
PFHpA3.3—2024-08-14
PFHpA3.3—2024-08-14
PFPeA3—2024-08-14

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