PFAS Comply

PA AMERICAN WATER CO WEST

PWSID: PA7210029 · MECHANICSBURG, PA · Serving 105,127 people

Type: CWSOwner: MSource: 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

PFOA4.9 ppt(MCL: 4 ppt)
PFOS10.4 ppt(MCL: 4 ppt)

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

Detection summary

4
PFAS compounds detected
10.4 ppt
Highest single detection
2024-07-01
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFOAND4Below MRL2024-10-10
4:2 FTSND—Below MRL2024-01-04
8:2 FTSND—Below MRL2024-01-04
PFMPAND—Below MRL2024-01-04
PFPeAND—Below MRL2024-01-04
lithiumND—Below MRL2024-01-04
NEtFOSAAND—Below MRL2024-01-04
PFTrDAND—Below MRL2024-01-04
PFTAND—Below MRL2024-01-04
PFHpSND—Below MRL2024-01-04
PFMBAND—Below MRL2024-01-04
6:2 FTSND—Below MRL2024-01-04
NFDHAND—Below MRL2024-01-04
PFDoAND—Below MRL2024-01-04
PFEESAND—Below MRL2024-01-04
PFHxAND—Below MRL2024-01-04
PFHpAND—Below MRL2024-01-04
PFBSND—Below MRL2024-01-04
PFHxSND10Below MRL2024-01-04
PFNAND10Below MRL2024-01-04
PFOSND4Below MRL2024-01-04
PFOAND4Below MRL2024-01-04
PFUnAND—Below MRL2024-01-04
PFDAND—Below MRL2024-01-04
PFBAND—Below MRL2024-01-04
PFPeSND—Below MRL2024-01-04
11Cl-PF3OUdSND—Below MRL2024-01-04
9Cl-PF3ONSND—Below MRL2024-01-04
ADONAND—Below MRL2024-01-04
HFPO-DAND10Below MRL2024-01-04
lithiumND—Below MRL2024-04-01
9Cl-PF3ONSND—Below MRL2024-10-10
HFPO-DAND10Below MRL2024-10-10
PFBAND—Below MRL2024-10-10
6:2 FTSND—Below MRL2024-10-10
4:2 FTSND—Below MRL2024-10-10
NMeFOSAAND—Below MRL2024-01-04
11Cl-PF3OUdSND—Below MRL2024-04-01
PFHpSND—Below MRL2024-04-01
NFDHAND—Below MRL2024-04-01
PFEESAND—Below MRL2024-04-01
PFMBAND—Below MRL2024-04-01
PFPeAND—Below MRL2024-04-01
PFMPAND—Below MRL2024-04-01
8:2 FTSND—Below MRL2024-04-01
4:2 FTSND—Below MRL2024-04-01
PFTrDAND—Below MRL2024-04-01
6:2 FTSND—Below MRL2024-04-01
PFBAND—Below MRL2024-04-01
HFPO-DAND10Below MRL2024-04-01
PFHxSND10Below MRL2024-04-01
9Cl-PF3ONSND—Below MRL2024-04-01
NMeFOSAAND—Below MRL2024-04-01
PFUnAND—Below MRL2024-04-01
PFHxAND—Below MRL2024-04-01
PFDoAND—Below MRL2024-04-01
PFDAND—Below MRL2024-04-01
PFOAND4Below MRL2024-04-01
PFNAND10Below MRL2024-04-01
PFPeSND—Below MRL2024-04-01
PFHpAND—Below MRL2024-04-01
PFBSND—Below MRL2024-04-01
PFTAND—Below MRL2024-04-01
NEtFOSAAND—Below MRL2024-04-01
ADONAND—Below MRL2024-04-01
4:2 FTSND—Below MRL2024-07-01
lithiumND—Below MRL2024-07-01
NEtFOSAAND—Below MRL2024-07-01
PFTrDAND—Below MRL2024-07-01
PFTAND—Below MRL2024-07-01
PFHpSND—Below MRL2024-07-01
PFPeSND—Below MRL2024-07-01
NFDHAND—Below MRL2024-07-01
PFEESAND—Below MRL2024-07-01
PFMPAND—Below MRL2024-07-01
6:2 FTSND—Below MRL2024-07-01
PFBAND—Below MRL2024-07-01
NMeFOSAAND—Below MRL2024-07-01
ADONAND—Below MRL2024-07-01
PFMBAND—Below MRL2024-07-01
PFNAND10Below MRL2024-07-01
PFHxSND10Below MRL2024-07-01
PFHpAND—Below MRL2024-07-01
9Cl-PF3ONSND—Below MRL2024-07-01
11Cl-PF3OUdSND—Below MRL2024-07-01
PFUnAND—Below MRL2024-07-01
PFHxAND—Below MRL2024-07-01
PFDoAND—Below MRL2024-07-01
PFDAND—Below MRL2024-07-01
HFPO-DAND10Below MRL2024-07-01
8:2 FTSND—Below MRL2024-07-01
PFNAND10Below MRL2024-10-10
PFMPAND—Below MRL2024-10-10
PFPeAND—Below MRL2024-10-10
PFMBAND—Below MRL2024-10-10
PFEESAND—Below MRL2024-10-10
PFDAND—Below MRL2024-10-10
8:2 FTSND—Below MRL2024-10-10
PFTrDAND—Below MRL2024-10-10
PFHpAND—Below MRL2024-10-10
PFBSND—Below MRL2024-10-10
PFHpSND—Below MRL2024-10-10
PFPeSND—Below MRL2024-10-10
NFDHAND—Below MRL2024-10-10
PFOAND4Below MRL2024-10-10
PFDoAND—Below MRL2024-10-10
PFHxSND10Below MRL2024-10-10
4:2 FTSND—Below MRL2024-10-10
PFTAND—Below MRL2024-10-10
NEtFOSAAND—Below MRL2024-10-10
lithiumND—Below MRL2024-10-10
PFHxAND—Below MRL2024-10-10
PFUnAND—Below MRL2024-10-10
HFPO-DAND10Below MRL2024-10-10
6:2 FTSND—Below MRL2024-10-10
NMeFOSAAND—Below MRL2024-10-10
PFBAND—Below MRL2024-10-10
11Cl-PF3OUdSND—Below MRL2024-10-10
ADONAND—Below MRL2024-10-10
9Cl-PF3ONSND—Below MRL2024-10-10
6:2 FTSND—Below MRL2024-01-04
PFHxAND—Below MRL2024-01-04
PFHpSND—Below MRL2024-01-04
PFUnAND—Below MRL2024-01-04
9Cl-PF3ONSND—Below MRL2024-01-04
ADONAND—Below MRL2024-01-04
HFPO-DAND10Below MRL2024-01-04
PFBAND—Below MRL2024-01-04
11Cl-PF3OUdSND—Below MRL2024-01-04
4:2 FTSND—Below MRL2024-01-04
8:2 FTSND—Below MRL2024-01-04
PFMPAND—Below MRL2024-01-04
PFPeAND—Below MRL2024-01-04
PFMBAND—Below MRL2024-01-04
PFEESAND—Below MRL2024-01-04
PFPeSND—Below MRL2024-01-04
PFTAND—Below MRL2024-01-04
PFDoAND—Below MRL2024-01-04
NFDHAND—Below MRL2024-01-04
lithiumND—Below MRL2024-01-04
PFOAND4Below MRL2024-01-04
PFOSND4Below MRL2024-01-04
PFNAND10Below MRL2024-01-04
PFHxSND10Below MRL2024-01-04
PFHpAND—Below MRL2024-01-04
PFBSND—Below MRL2024-01-04
NMeFOSAAND—Below MRL2024-01-04
PFTrDAND—Below MRL2024-01-04
NEtFOSAAND—Below MRL2024-01-04
PFDAND—Below MRL2024-01-04
ADONAND—Below MRL2024-04-01
HFPO-DAND10Below MRL2024-04-01
PFBAND—Below MRL2024-04-01
4:2 FTSND—Below MRL2024-04-01
PFOSND4Below MRL2024-04-01
6:2 FTSND—Below MRL2024-04-01
9Cl-PF3ONSND—Below MRL2024-04-01
8:2 FTSND—Below MRL2024-04-01
PFUnAND—Below MRL2024-04-01
NFDHAND—Below MRL2024-04-01
PFNAND10Below MRL2024-04-01
PFHxSND10Below MRL2024-04-01
PFHpAND—Below MRL2024-04-01
PFBSND—Below MRL2024-04-01
11Cl-PF3OUdSND—Below MRL2024-04-01
PFTAND—Below MRL2024-04-01
PFHpSND—Below MRL2024-04-01
PFOAND4Below MRL2024-04-01
PFDAND—Below MRL2024-04-01
PFDoAND—Below MRL2024-04-01
NMeFOSAAND—Below MRL2024-04-01
PFEESAND—Below MRL2024-04-01
PFTrDAND—Below MRL2024-04-01
PFMPAND—Below MRL2024-04-01
PFPeSND—Below MRL2024-04-01
lithiumND—Below MRL2024-04-01
PFHxAND—Below MRL2024-04-01
PFMBAND—Below MRL2024-04-01
PFPeAND—Below MRL2024-04-01
NEtFOSAAND—Below MRL2024-04-01
NFDHAND—Below MRL2024-07-01
PFPeSND—Below MRL2024-07-01
PFHxSND10Below MRL2024-07-01
PFTAND—Below MRL2024-07-01
PFTrDAND—Below MRL2024-07-01
NEtFOSAAND—Below MRL2024-07-01
NMeFOSAAND—Below MRL2024-07-01
PFDoAND—Below MRL2024-07-01
lithiumND—Below MRL2024-07-01
PFHpAND—Below MRL2024-07-01
PFHxAND—Below MRL2024-07-01
PFUnAND—Below MRL2024-07-01
11Cl-PF3OUdSND—Below MRL2024-07-01
9Cl-PF3ONSND—Below MRL2024-07-01
ADONAND—Below MRL2024-07-01
HFPO-DAND10Below MRL2024-07-01
PFHpSND—Below MRL2024-07-01
PFBSND—Below MRL2024-07-01
PFDAND—Below MRL2024-07-01
PFBAND—Below MRL2024-07-01
PFOAND4Below MRL2024-07-01
PFOSND4Below MRL2024-07-01
PFNAND10Below MRL2024-07-01
PFEESAND—Below MRL2024-07-01
PFMBAND—Below MRL2024-07-01
PFPeAND—Below MRL2024-07-01
PFMPAND—Below MRL2024-07-01
8:2 FTSND—Below MRL2024-07-01
4:2 FTSND—Below MRL2024-07-01
6:2 FTSND—Below MRL2024-07-01
PFTAND—Below MRL2024-10-10
PFPeAND—Below MRL2024-10-10
PFMBAND—Below MRL2024-10-10
PFEESAND—Below MRL2024-10-10
NFDHAND—Below MRL2024-10-10
PFPeSND—Below MRL2024-10-10
PFHpSND—Below MRL2024-10-10
PFBSND—Below MRL2024-10-10
PFHpAND—Below MRL2024-10-10
NEtFOSAAND—Below MRL2024-10-10
PFNAND10Below MRL2024-10-10
PFMPAND—Below MRL2024-10-10
PFTrDAND—Below MRL2024-10-10
11Cl-PF3OUdSND—Below MRL2024-10-10
PFHxSND10Below MRL2024-10-10
PFDoAND—Below MRL2024-10-10
lithiumND—Below MRL2024-10-10
ADONAND—Below MRL2024-10-10
8:2 FTSND—Below MRL2024-10-10
PFOSND4Below MRL2024-10-10
PFDAND—Below MRL2024-10-10
PFHxAND—Below MRL2024-10-10
PFUnAND—Below MRL2024-10-10
NMeFOSAAND—Below MRL2024-10-10
PFOS10.44Exceeds2024-07-01
PFOS7.14Exceeds2024-04-01
PFOS6.24Exceeds2024-10-10
PFOA4.94Exceeds2024-07-01
PFPeA3.4—2024-07-01
PFBS3.2—2024-07-01

Next steps