PFAS Comply

AQUA PA WEST CHESTER

PWSID: PA1150098 · BRYN MAWR, PA · Serving 48,600 people

Type: CWSOwner: PSource: 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

PFOA5.9 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
7.4 ppt
Highest single detection
2024-08-08
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
ADONAND—Below MRL2024-07-15
PFHxSND10Below MRL2024-01-25
PFMPAND—Below MRL2024-01-25
4:2 FTSND—Below MRL2024-01-25
PFHpSND—Below MRL2024-01-25
PFBSND—Below MRL2024-01-25
PFHpAND—Below MRL2024-01-25
PFHpAND—Below MRL2024-07-15
NEtFOSAAND—Below MRL2024-07-15
NMeFOSAAND—Below MRL2024-07-15
PFEESAND—Below MRL2024-07-15
PFTAND—Below MRL2024-07-15
PFDoAND—Below MRL2024-07-15
PFMBAND—Below MRL2024-07-15
PFTrDAND—Below MRL2024-07-15
PFDAND—Below MRL2024-07-15
PFUnAND—Below MRL2024-07-15
11Cl-PF3OUdSND—Below MRL2024-07-15
9Cl-PF3ONSND—Below MRL2024-07-15
HFPO-DAND10Below MRL2024-07-15
PFBAND—Below MRL2024-07-15
6:2 FTSND—Below MRL2024-07-15
4:2 FTSND—Below MRL2024-07-15
8:2 FTSND—Below MRL2024-07-15
PFMPAND—Below MRL2024-07-15
PFUnAND—Below MRL2024-01-25
PFNAND10Below MRL2024-01-25
PFOSND4Below MRL2024-01-25
PFOAND4Below MRL2024-01-25
PFDAND—Below MRL2024-01-25
PFMBAND—Below MRL2024-01-25
8:2 FTSND—Below MRL2024-01-25
11Cl-PF3OUdSND—Below MRL2024-01-25
9Cl-PF3ONSND—Below MRL2024-01-25
ADONAND—Below MRL2024-01-25
HFPO-DAND10Below MRL2024-01-25
PFBAND—Below MRL2024-01-25
PFDoAND—Below MRL2024-01-25
NEtFOSAAND—Below MRL2024-01-25
lithiumND—Below MRL2024-01-25
PFEESAND—Below MRL2024-01-25
PFTrDAND—Below MRL2024-01-25
NMeFOSAAND—Below MRL2024-01-25
PFPeSND—Below MRL2024-01-25
PFTAND—Below MRL2024-01-25
NFDHAND—Below MRL2024-01-25
6:2 FTSND—Below MRL2024-01-25
lithiumND—Below MRL2024-04-04
8:2 FTSND—Below MRL2024-04-04
PFTAND—Below MRL2024-04-04
NMeFOSAAND—Below MRL2024-04-04
PFTrDAND—Below MRL2024-04-04
NEtFOSAAND—Below MRL2024-04-04
PFPeSND—Below MRL2024-04-04
NFDHAND—Below MRL2024-04-04
PFEESAND—Below MRL2024-04-04
PFMBAND—Below MRL2024-04-04
PFBSND—Below MRL2024-04-04
PFMPAND—Below MRL2024-04-04
PFHpSND—Below MRL2024-04-04
PFDAND—Below MRL2024-04-04
PFHpAND—Below MRL2024-04-04
PFHxSND10Below MRL2024-04-04
PFNAND10Below MRL2024-04-04
PFOSND4Below MRL2024-04-04
PFDoAND—Below MRL2024-04-04
4:2 FTSND—Below MRL2024-04-04
PFUnAND—Below MRL2024-04-04
11Cl-PF3OUdSND—Below MRL2024-04-04
9Cl-PF3ONSND—Below MRL2024-04-04
ADONAND—Below MRL2024-04-04
HFPO-DAND10Below MRL2024-04-04
PFBAND—Below MRL2024-04-04
6:2 FTSND—Below MRL2024-04-04
PFOAND4Below MRL2024-04-04
NEtFOSAAND—Below MRL2024-08-08
PFTrDAND—Below MRL2024-08-08
PFTAND—Below MRL2024-08-08
lithiumND—Below MRL2024-07-11
NMeFOSAAND—Below MRL2024-08-08
PFNAND10Below MRL2024-07-11
PFHpAND—Below MRL2024-07-11
4:2 FTSND—Below MRL2024-07-11
PFHxSND10Below MRL2024-07-11
PFPeSND—Below MRL2024-07-11
PFOSND4Below MRL2024-07-11
PFDAND—Below MRL2024-07-11
PFDoAND—Below MRL2024-07-11
PFUnAND—Below MRL2024-07-11
NFDHAND—Below MRL2024-07-11
PFHpSND—Below MRL2024-07-11
PFMBAND—Below MRL2024-07-11
PFEESAND—Below MRL2024-07-11
11Cl-PF3OUdSND—Below MRL2024-07-11
HFPO-DAND10Below MRL2024-07-11
ADONAND—Below MRL2024-07-11
PFMPAND—Below MRL2024-07-11
6:2 FTSND—Below MRL2024-07-11
8:2 FTSND—Below MRL2024-07-11
9Cl-PF3ONSND—Below MRL2024-07-11
PFTAND—Below MRL2024-10-10
PFTrDAND—Below MRL2024-10-10
8:2 FTSND—Below MRL2024-10-10
PFHpSND—Below MRL2024-10-10
NMeFOSAAND—Below MRL2024-10-10
lithiumND—Below MRL2024-10-10
PFPeSND—Below MRL2024-10-10
NFDHAND—Below MRL2024-10-10
PFEESAND—Below MRL2024-10-10
PFMBAND—Below MRL2024-10-10
PFMPAND—Below MRL2024-10-10
PFHpAND—Below MRL2024-10-10
NEtFOSAAND—Below MRL2024-10-10
4:2 FTSND—Below MRL2024-10-10
PFHxSND10Below MRL2024-10-10
PFNAND10Below MRL2024-10-10
PFOSND4Below MRL2024-10-10
PFOAND4Below MRL2024-10-10
PFDAND—Below MRL2024-10-10
PFUnAND—Below MRL2024-10-10
11Cl-PF3OUdSND—Below MRL2024-10-10
9Cl-PF3ONSND—Below MRL2024-10-10
ADONAND—Below MRL2024-10-10
HFPO-DAND10Below MRL2024-10-10
PFDoAND—Below MRL2024-10-10
6:2 FTSND—Below MRL2024-10-10
PFMPAND—Below MRL2024-01-29
PFTAND—Below MRL2024-01-29
PFTrDAND—Below MRL2024-01-29
NEtFOSAAND—Below MRL2024-01-29
PFHpSND—Below MRL2024-01-29
PFPeSND—Below MRL2024-01-29
NFDHAND—Below MRL2024-01-29
PFEESAND—Below MRL2024-01-29
NMeFOSAAND—Below MRL2024-01-29
8:2 FTSND—Below MRL2024-01-29
4:2 FTSND—Below MRL2024-01-29
6:2 FTSND—Below MRL2024-01-29
PFBAND—Below MRL2024-01-29
HFPO-DAND10Below MRL2024-01-29
PFOSND4Below MRL2024-01-29
lithiumND—Below MRL2024-01-29
PFBSND—Below MRL2024-01-29
PFMBAND—Below MRL2024-01-29
ADONAND—Below MRL2024-01-29
PFNAND10Below MRL2024-01-29
PFHpAND—Below MRL2024-01-29
PFDAND—Below MRL2024-01-29
PFDoAND—Below MRL2024-01-29
PFUnAND—Below MRL2024-01-29
11Cl-PF3OUdSND—Below MRL2024-01-29
9Cl-PF3ONSND—Below MRL2024-01-29
PFHxSND10Below MRL2024-01-29
NFDHAND—Below MRL2024-07-15
PFOSND4Below MRL2024-07-15
PFPeSND—Below MRL2024-07-15
PFHpSND—Below MRL2024-07-15
PFHxSND10Below MRL2024-07-15
PFNAND10Below MRL2024-07-15
lithiumND—Below MRL2024-07-15
PFBSND—Below MRL2024-07-15
PFPeA7.4—2024-07-11
PFHxA7.2—2024-07-11
PFOA5.94Exceeds2024-07-11
PFPeA5.7—2024-10-10
PFBA5.7—2024-10-10
PFOA5.44Exceeds2024-01-29
PFBA5.4—2024-07-11
PFOA5.14Exceeds2024-07-15
PFHxA4.1—2024-07-15
PFPeA4.1—2024-01-29
PFPeA4.1—2024-07-15
PFHxA4—2024-01-29
PFHxA4—2024-10-10
PFPeA3.7—2024-01-25
PFBS3.6—2024-07-11
PFHxA3.6—2024-01-25
PFHxA3.3—2024-04-04
PFPeA3.3—2024-04-04
PFBS3.1—2024-10-10

Violation history

Monitoring & Reporting - PFOA(PFOA)
2023-10-01 · Resolved · Tier 3
Monitoring & Reporting - PFOS(PFOS)
2023-10-01 · Resolved · Tier 3
Monitoring & Reporting - PFHxS(PFHxS)
2023-10-01 · Resolved · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2023-10-01 · Resolved · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2023-10-01 · Resolved · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2023-10-01 · Resolved · Tier 3
Monitoring & Reporting - PFHxA(PFHxA)
2023-10-01 · Resolved · Tier 3

Next steps