PFAS Comply

N MIDDLETON WATER AUTH

PWSID: PA7210049 · CARLISLE, PA · Serving 8,455 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

PFOA8 ppt(MCL: 4 ppt)
PFOS16.9 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
16.9 ppt
Highest single detection
2025-09-08
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
lithiumND—Below MRL2025-09-22
9Cl-PF3ONSND—Below MRL2025-03-17
11Cl-PF3OUdSND—Below MRL2025-03-17
PFUnAND—Below MRL2025-03-17
PFHxAND—Below MRL2025-03-17
HFPO-DAND10Below MRL2025-03-17
PFDAND—Below MRL2025-03-17
NMeFOSAAND—Below MRL2025-03-17
PFPeAND—Below MRL2025-03-17
PFDoAND—Below MRL2025-03-17
PFMBAND—Below MRL2025-03-17
PFEESAND—Below MRL2025-03-17
NFDHAND—Below MRL2025-03-17
PFPeSND—Below MRL2025-03-17
PFHpSND—Below MRL2025-03-17
lithiumND—Below MRL2025-03-17
NEtFOSAAND—Below MRL2025-03-17
PFNAND10Below MRL2025-03-17
PFBAND—Below MRL2025-03-17
PFHpAND—Below MRL2025-03-17
6:2 FTSND—Below MRL2025-03-17
PFOAND4Below MRL2025-03-17
PFHxSND10Below MRL2025-03-17
HFPO-DAND10Below MRL2025-09-22
PFBSND—Below MRL2025-09-22
PFMBAND—Below MRL2025-09-22
PFPeAND—Below MRL2025-09-22
NMeFOSAAND—Below MRL2025-09-22
PFTrDAND—Below MRL2025-09-22
PFTAND—Below MRL2025-09-22
ADONAND—Below MRL2025-03-17
PFBSND—Below MRL2025-03-17
4:2 FTSND—Below MRL2025-03-17
8:2 FTSND—Below MRL2025-03-17
PFMPAND—Below MRL2025-03-17
PFTAND—Below MRL2025-03-17
PFTrDAND—Below MRL2025-03-17
6:2 FTSND—Below MRL2025-06-16
PFPeSND—Below MRL2025-06-16
PFHpSND—Below MRL2025-06-16
8:2 FTSND—Below MRL2025-06-16
PFTrDAND—Below MRL2025-06-16
PFBAND—Below MRL2025-06-16
HFPO-DAND10Below MRL2025-06-16
ADONAND—Below MRL2025-06-16
NEtFOSAAND—Below MRL2025-06-16
NMeFOSAAND—Below MRL2025-06-16
PFTAND—Below MRL2025-06-16
PFEESAND—Below MRL2025-06-16
PFMPAND—Below MRL2025-06-16
PFPeAND—Below MRL2025-06-16
PFHpAND—Below MRL2025-06-16
PFMBAND—Below MRL2025-06-16
PFDoAND—Below MRL2025-06-16
PFDAND—Below MRL2025-06-16
PFOAND4Below MRL2025-06-16
PFNAND10Below MRL2025-06-16
4:2 FTSND—Below MRL2025-06-16
PFUnAND—Below MRL2025-06-16
PFHxSND10Below MRL2025-06-16
PFBSND—Below MRL2025-06-16
NFDHAND—Below MRL2025-06-16
9Cl-PF3ONSND—Below MRL2025-06-16
11Cl-PF3OUdSND—Below MRL2025-06-16
lithiumND—Below MRL2025-06-16
PFHxAND—Below MRL2025-06-16
PFTrDAND—Below MRL2025-09-22
PFTAND—Below MRL2025-09-22
lithiumND—Below MRL2025-09-22
8:2 FTSND—Below MRL2025-09-22
NEtFOSAAND—Below MRL2025-09-22
PFMPAND—Below MRL2025-09-22
PFHpSND—Below MRL2025-09-22
NMeFOSAAND—Below MRL2025-09-22
NFDHAND—Below MRL2025-09-22
PFEESAND—Below MRL2025-09-22
PFMBAND—Below MRL2025-09-22
PFPeSND—Below MRL2025-09-22
11Cl-PF3OUdSND—Below MRL2025-09-22
PFUnAND—Below MRL2025-09-22
PFNAND10Below MRL2025-09-22
PFHpAND—Below MRL2025-09-22
PFDAND—Below MRL2025-09-22
9Cl-PF3ONSND—Below MRL2025-09-22
ADONAND—Below MRL2025-09-22
HFPO-DAND10Below MRL2025-09-22
PFBAND—Below MRL2025-09-22
6:2 FTSND—Below MRL2025-09-22
4:2 FTSND—Below MRL2025-09-22
PFDoAND—Below MRL2025-09-22
HFPO-DAND10Below MRL2025-03-17
PFBAND—Below MRL2025-03-17
6:2 FTSND—Below MRL2025-03-17
4:2 FTSND—Below MRL2025-03-17
8:2 FTSND—Below MRL2025-03-17
PFMPAND—Below MRL2025-03-17
PFPeAND—Below MRL2025-03-17
ADONAND—Below MRL2025-03-17
NFDHAND—Below MRL2025-03-17
PFEESAND—Below MRL2025-03-17
PFHpSND—Below MRL2025-03-17
PFBSND—Below MRL2025-03-17
PFTAND—Below MRL2025-03-17
PFTrDAND—Below MRL2025-03-17
NEtFOSAAND—Below MRL2025-03-17
PFHpAND—Below MRL2025-03-17
lithiumND—Below MRL2025-03-17
NMeFOSAAND—Below MRL2025-03-17
PFMBAND—Below MRL2025-03-17
11Cl-PF3OUdSND—Below MRL2025-03-17
PFPeSND—Below MRL2025-03-17
PFHxSND10Below MRL2025-03-17
9Cl-PF3ONSND—Below MRL2025-03-17
PFUnAND—Below MRL2025-03-17
PFHxAND—Below MRL2025-03-17
PFDoAND—Below MRL2025-03-17
PFDAND—Below MRL2025-03-17
PFOAND4Below MRL2025-03-17
PFNAND10Below MRL2025-03-17
PFOSND4Below MRL2025-03-17
PFUnAND—Below MRL2025-09-22
PFHxSND10Below MRL2025-09-22
PFNAND10Below MRL2025-09-22
PFOSND4Below MRL2025-09-22
PFOAND4Below MRL2025-09-22
PFDAND—Below MRL2025-09-22
11Cl-PF3OUdSND—Below MRL2025-09-22
PFHxAND—Below MRL2025-09-22
ADONAND—Below MRL2025-09-22
PFHpAND—Below MRL2025-09-22
PFHpSND—Below MRL2025-09-22
PFMPAND—Below MRL2025-09-22
9Cl-PF3ONSND—Below MRL2025-09-22
8:2 FTSND—Below MRL2025-09-22
PFDoAND—Below MRL2025-09-22
PFEESAND—Below MRL2025-09-22
PFPeSND—Below MRL2025-09-22
PFBAND—Below MRL2025-09-22
6:2 FTSND—Below MRL2025-09-22
4:2 FTSND—Below MRL2025-09-22
NFDHAND—Below MRL2025-09-22
NEtFOSAAND—Below MRL2025-09-22
PFOS16.94Exceeds2025-09-22
PFOS13.44Exceeds2025-09-08
PFOA84Exceeds2025-09-22
PFBS7.8—2025-09-22
PFHxA5.5—2025-09-22
PFOS4.64Exceeds2025-06-16
PFPeA3.8—2025-09-22
PFHxS3.510Detected2025-09-22

Next steps