PFAS Comply

DOYLESTOWN BORO WATER DEPT

PWSID: PA1090081 · DOYLESTOWN, PA · Serving 8,700 people

Type: CWSOwner: LSource: GW
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

PFOA14.6 ppt(MCL: 4 ppt)
PFOS11.3 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
14.6 ppt
Highest single detection
2025-04-28
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
8:2 FTSND—Below MRL2025-10-28
PFMBAND—Below MRL2025-04-28
PFTAND—Below MRL2025-04-28
PFTrDAND—Below MRL2025-04-28
NEtFOSAAND—Below MRL2025-04-28
NMeFOSAAND—Below MRL2025-04-28
PFHpSND—Below MRL2025-04-28
PFPeSND—Below MRL2025-04-28
PFEESAND—Below MRL2025-04-28
4:2 FTSND—Below MRL2025-04-22
PFBAND—Below MRL2025-04-22
HFPO-DAND10Below MRL2025-04-22
ADONAND—Below MRL2025-04-22
ADONAND—Below MRL2025-10-28
NEtFOSAAND—Below MRL2025-10-28
PFBAND—Below MRL2025-10-28
PFHxSND10Below MRL2025-10-28
PFNAND10Below MRL2025-10-28
PFDAND—Below MRL2025-10-28
PFDoAND—Below MRL2025-10-28
PFUnAND—Below MRL2025-10-28
6:2 FTSND—Below MRL2025-10-28
HFPO-DAND10Below MRL2025-10-28
NMeFOSAAND—Below MRL2025-10-28
PFTrDAND—Below MRL2025-10-28
4:2 FTSND—Below MRL2025-10-28
8:2 FTSND—Below MRL2025-10-28
PFMPAND—Below MRL2025-10-28
PFMBAND—Below MRL2025-10-28
PFEESAND—Below MRL2025-10-28
NFDHAND—Below MRL2025-10-28
PFPeSND—Below MRL2025-10-28
PFHpSND—Below MRL2025-10-28
11Cl-PF3OUdSND—Below MRL2025-10-28
lithiumND—Below MRL2025-10-28
9Cl-PF3ONSND—Below MRL2025-10-28
PFTAND—Below MRL2025-10-28
PFBAND—Below MRL2025-04-22
HFPO-DAND10Below MRL2025-04-22
ADONAND—Below MRL2025-04-22
9Cl-PF3ONSND—Below MRL2025-04-22
PFDoAND—Below MRL2025-04-22
6:2 FTSND—Below MRL2025-04-22
11Cl-PF3OUdSND—Below MRL2025-04-22
PFDAND—Below MRL2025-04-22
NEtFOSAAND—Below MRL2025-04-22
lithiumND—Below MRL2025-04-22
4:2 FTSND—Below MRL2025-04-22
PFTrDAND—Below MRL2025-04-22
PFTAND—Below MRL2025-04-22
NMeFOSAAND—Below MRL2025-04-22
PFHpSND—Below MRL2025-04-22
PFPeSND—Below MRL2025-04-22
PFEESAND—Below MRL2025-04-22
PFMBAND—Below MRL2025-04-22
PFMPAND—Below MRL2025-04-22
8:2 FTSND—Below MRL2025-04-22
NFDHAND—Below MRL2025-04-22
NEtFOSAAND—Below MRL2025-10-28
PFBAND—Below MRL2025-10-28
HFPO-DAND10Below MRL2025-10-28
ADONAND—Below MRL2025-10-28
9Cl-PF3ONSND—Below MRL2025-10-28
11Cl-PF3OUdSND—Below MRL2025-10-28
PFUnAND—Below MRL2025-10-28
PFDoAND—Below MRL2025-10-28
PFTAND—Below MRL2025-10-28
NMeFOSAAND—Below MRL2025-10-28
PFTrDAND—Below MRL2025-10-28
6:2 FTSND—Below MRL2025-10-28
PFDAND—Below MRL2025-10-28
PFHpSND—Below MRL2025-10-28
lithiumND—Below MRL2025-10-28
4:2 FTSND—Below MRL2025-10-28
PFNAND10Below MRL2025-10-28
PFPeSND—Below MRL2025-10-28
NFDHAND—Below MRL2025-10-28
PFEESAND—Below MRL2025-10-28
PFMBAND—Below MRL2025-10-28
PFMPAND—Below MRL2025-10-28
6:2 FTSND—Below MRL2025-04-28
PFMPAND—Below MRL2025-04-28
8:2 FTSND—Below MRL2025-04-28
4:2 FTSND—Below MRL2025-04-28
HFPO-DAND10Below MRL2025-04-28
PFNAND10Below MRL2025-04-28
NFDHAND—Below MRL2025-04-28
PFBAND—Below MRL2025-04-28
lithiumND—Below MRL2025-04-28
PFDAND—Below MRL2025-04-28
PFDoAND—Below MRL2025-04-28
PFUnAND—Below MRL2025-04-28
11Cl-PF3OUdSND—Below MRL2025-04-28
9Cl-PF3ONSND—Below MRL2025-04-28
ADONAND—Below MRL2025-04-28
PFMPAND—Below MRL2025-10-28
NFDHAND—Below MRL2025-10-28
PFMBAND—Below MRL2025-10-28
PFEESAND—Below MRL2025-10-28
PFPeSND—Below MRL2025-10-28
PFHpSND—Below MRL2025-10-28
PFNAND10Below MRL2025-10-28
lithiumND—Below MRL2025-10-28
8:2 FTSND—Below MRL2025-10-28
PFTrDAND—Below MRL2025-10-28
4:2 FTSND—Below MRL2025-10-28
PFTAND—Below MRL2025-10-28
NEtFOSAAND—Below MRL2025-10-28
NMeFOSAAND—Below MRL2025-10-28
PFDAND—Below MRL2025-10-28
PFDoAND—Below MRL2025-10-28
PFUnAND—Below MRL2025-10-28
11Cl-PF3OUdSND—Below MRL2025-10-28
9Cl-PF3ONSND—Below MRL2025-10-28
ADONAND—Below MRL2025-10-28
HFPO-DAND10Below MRL2025-10-28
PFBAND—Below MRL2025-10-28
6:2 FTSND—Below MRL2025-10-28
HFPO-DAND10Below MRL2025-04-22
ADONAND—Below MRL2025-04-22
9Cl-PF3ONSND—Below MRL2025-04-22
PFUnAND—Below MRL2025-04-22
NMeFOSAAND—Below MRL2025-04-22
PFDoAND—Below MRL2025-04-22
PFDAND—Below MRL2025-04-22
lithiumND—Below MRL2025-04-22
11Cl-PF3OUdSND—Below MRL2025-04-22
PFPeSND—Below MRL2025-04-22
PFTrDAND—Below MRL2025-04-22
PFTAND—Below MRL2025-04-22
6:2 FTSND—Below MRL2025-04-22
PFHpSND—Below MRL2025-04-22
NEtFOSAAND—Below MRL2025-04-22
NFDHAND—Below MRL2025-04-22
PFEESAND—Below MRL2025-04-22
PFMBAND—Below MRL2025-04-22
PFMPAND—Below MRL2025-04-22
8:2 FTSND—Below MRL2025-04-22
4:2 FTSND—Below MRL2025-04-22
HFPO-DAND10Below MRL2025-10-28
ADONAND—Below MRL2025-10-28
9Cl-PF3ONSND—Below MRL2025-10-28
11Cl-PF3OUdSND—Below MRL2025-10-28
PFUnAND—Below MRL2025-10-28
PFDoAND—Below MRL2025-10-28
PFDAND—Below MRL2025-10-28
6:2 FTSND—Below MRL2025-10-28
PFHpSND—Below MRL2025-10-28
4:2 FTSND—Below MRL2025-10-28
8:2 FTSND—Below MRL2025-10-28
PFMPAND—Below MRL2025-10-28
PFMBAND—Below MRL2025-10-28
PFEESAND—Below MRL2025-10-28
PFPeSND—Below MRL2025-10-28
PFTrDAND—Below MRL2025-10-28
NEtFOSAAND—Below MRL2025-10-28
PFTAND—Below MRL2025-10-28
NMeFOSAAND—Below MRL2025-10-28
lithiumND—Below MRL2025-10-28
NFDHAND—Below MRL2025-10-28
ADONAND—Below MRL2025-04-22
PFBAND—Below MRL2025-04-22
6:2 FTSND—Below MRL2025-04-22
4:2 FTSND—Below MRL2025-04-22
8:2 FTSND—Below MRL2025-04-22
PFMPAND—Below MRL2025-04-22
PFMBAND—Below MRL2025-04-22
PFEESAND—Below MRL2025-04-22
NFDHAND—Below MRL2025-04-22
PFNAND10Below MRL2025-04-22
9Cl-PF3ONSND—Below MRL2025-04-22
PFDAND—Below MRL2025-04-22
PFDoAND—Below MRL2025-04-22
PFUnAND—Below MRL2025-04-22
11Cl-PF3OUdSND—Below MRL2025-04-22
PFPeSND—Below MRL2025-04-22
PFHpSND—Below MRL2025-04-22
PFTAND—Below MRL2025-04-22
PFTrDAND—Below MRL2025-04-22
NEtFOSAAND—Below MRL2025-04-22
NMeFOSAAND—Below MRL2025-04-22
lithiumND—Below MRL2025-04-22
PFHxSND10Below MRL2025-04-22
HFPO-DAND10Below MRL2025-04-22
11Cl-PF3OUdSND—Below MRL2025-10-28
PFMPAND—Below MRL2025-10-28
8:2 FTSND—Below MRL2025-10-28
4:2 FTSND—Below MRL2025-10-28
6:2 FTSND—Below MRL2025-10-28
PFBAND—Below MRL2025-10-28
HFPO-DAND10Below MRL2025-10-28
9Cl-PF3ONSND—Below MRL2025-10-28
PFDoAND—Below MRL2025-10-28
PFUnAND—Below MRL2025-10-28
PFDAND—Below MRL2025-10-28
PFNAND10Below MRL2025-10-28
PFHxSND10Below MRL2025-10-28
ADONAND—Below MRL2025-10-28
PFTrDAND—Below MRL2025-10-28
PFMBAND—Below MRL2025-10-28
lithiumND—Below MRL2025-10-28
NEtFOSAAND—Below MRL2025-10-28
PFTAND—Below MRL2025-10-28
PFHpSND—Below MRL2025-10-28
PFPeSND—Below MRL2025-10-28
NFDHAND—Below MRL2025-10-28
PFEESAND—Below MRL2025-10-28
NMeFOSAAND—Below MRL2025-10-28
NEtFOSAAND—Below MRL2025-04-22
PFHxSND10Below MRL2025-04-22
11Cl-PF3OUdSND—Below MRL2025-04-22
PFUnAND—Below MRL2025-04-22
PFDoAND—Below MRL2025-04-22
PFDAND—Below MRL2025-04-22
lithiumND—Below MRL2025-04-22
PFTAND—Below MRL2025-04-22
PFNAND10Below MRL2025-04-22
8:2 FTSND—Below MRL2025-04-22
NMeFOSAAND—Below MRL2025-04-22
PFTrDAND—Below MRL2025-04-22
PFMBAND—Below MRL2025-04-22
PFEESAND—Below MRL2025-04-22
NFDHAND—Below MRL2025-04-22
PFPeSND—Below MRL2025-04-22
6:2 FTSND—Below MRL2025-04-22
PFHpSND—Below MRL2025-04-22
9Cl-PF3ONSND—Below MRL2025-04-22
PFMPAND—Below MRL2025-04-22
PFOA14.64Exceeds2025-04-22
PFOA13.44Exceeds2025-10-28
PFOA124Exceeds2025-04-22
PFOA11.74Exceeds2025-04-22
PFOA11.44Exceeds2025-10-28
PFOS11.34Exceeds2025-04-22
PFOA11.24Exceeds2025-04-28
PFOA11.24Exceeds2025-10-28
PFOS11.24Exceeds2025-10-28
PFOA10.64Exceeds2025-10-28
PFOA10.44Exceeds2025-04-22
PFOS9.94Exceeds2025-10-28
PFOA9.94Exceeds2025-10-28
PFOS9.34Exceeds2025-04-22
PFOS8.94Exceeds2025-10-28
PFOS8.74Exceeds2025-04-28
PFHxA8.6—2025-04-22
PFPeA8.5—2025-04-22
PFOS8.54Exceeds2025-10-28
PFPeA8.5—2025-10-28
PFOS8.44Exceeds2025-04-22
PFHxA8.2—2025-10-28
PFBS7.5—2025-04-22
PFBS7.2—2025-10-28
PFPeA6.9—2025-04-22
PFHxA6.7—2025-10-28
PFBS6.7—2025-10-28
PFBS6.6—2025-04-22
PFOS6.54Exceeds2025-10-28
PFHxS6.410Detected2025-04-28
PFHxA6.4—2025-04-28
PFOS6.34Exceeds2025-04-22
PFPeA6.2—2025-10-28
PFBS6—2025-04-22
PFBS6—2025-10-28
PFHxA5.9—2025-04-22
PFBS5.9—2025-10-28
PFHxA5.8—2025-10-28
PFPeA5.7—2025-10-28
PFBA5.7—2025-04-22
PFHxA5.7—2025-04-22
PFHxS5.710Detected2025-10-28
PFPeA5.6—2025-04-28
PFPeA5.6—2025-04-22
PFBA5.5—2025-10-28
PFHxA5.5—2025-10-28
PFBS5.4—2025-10-28
PFHxA5.3—2025-04-22
PFHxA5.3—2025-10-28
PFHpA5.2—2025-04-22
PFNA5.210Detected2025-04-22
PFPeA5.2—2025-10-28
PFBS5.2—2025-04-28
PFHpA5.1—2025-04-22
PFPeA5.1—2025-10-28
PFBS5—2025-04-22
PFHxS510Detected2025-10-28
PFPeA5—2025-04-22
PFHpA4.9—2025-10-28
PFHxS4.610Detected2025-04-22
PFHpA4.5—2025-10-28
PFNA4.310Detected2025-04-22
PFNA4.210Detected2025-10-28
PFHpA4—2025-10-28
PFHpA3.8—2025-10-28
PFHpA3.7—2025-04-28
PFHpA3.7—2025-04-22
PFHpA3.6—2025-04-22
PFHpA3.3—2025-10-28
PFUnA3—2025-04-22
PFHxS310Detected2025-10-28
PFHxS310Detected2025-04-22

Violation history

Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2024-01-01 · Open · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2017-04-01 · Resolved · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2017-01-01 · Resolved · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2017-01-01 · Resolved · Tier 3

Next steps