PFAS Comply

GUERNSEY CO. WATER DEPT.

PWSID: OH3000603 · CAMBRIDGE, OH · Serving 8,891 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

PFOA9.8 ppt(MCL: 4 ppt)

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

Detection summary

2
PFAS compounds detected
9700 ppt
Highest single detection
2025-08-19
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFHxSND10Below MRL2025-08-19
4:2 FTSND—Below MRL2025-02-19
6:2 FTSND—Below MRL2025-02-19
PFBAND—Below MRL2025-02-19
HFPO-DAND10Below MRL2025-02-19
9Cl-PF3ONSND—Below MRL2025-02-19
11Cl-PF3OUdSND—Below MRL2025-02-19
PFUnAND—Below MRL2025-02-19
PFHxAND—Below MRL2025-02-19
8:2 FTSND—Below MRL2025-02-19
PFDAND—Below MRL2025-02-19
NMeFOSAAND—Below MRL2025-02-19
PFOSND4Below MRL2025-02-19
PFNAND10Below MRL2025-02-19
PFHxSND10Below MRL2025-02-19
PFTAND—Below MRL2025-02-19
PFTrDAND—Below MRL2025-02-19
NEtFOSAAND—Below MRL2025-02-19
PFHpAND—Below MRL2025-02-19
PFDoAND—Below MRL2025-02-19
PFBSND—Below MRL2025-02-19
PFMPAND—Below MRL2025-08-19
8:2 FTSND—Below MRL2025-08-19
4:2 FTSND—Below MRL2025-08-19
PFEESAND—Below MRL2025-08-19
PFMPAND—Below MRL2025-02-19
ADONAND—Below MRL2025-02-19
PFHpSND—Below MRL2025-02-19
PFPeSND—Below MRL2025-02-19
NFDHAND—Below MRL2025-02-19
PFEESAND—Below MRL2025-02-19
PFMBAND—Below MRL2025-02-19
PFPeAND—Below MRL2025-02-19
PFEESAND—Below MRL2025-05-13
9Cl-PF3ONSND—Below MRL2025-05-13
ADONAND—Below MRL2025-05-13
HFPO-DAND10Below MRL2025-05-13
PFHpSND—Below MRL2025-05-13
6:2 FTSND—Below MRL2025-05-13
11Cl-PF3OUdSND—Below MRL2025-05-13
8:2 FTSND—Below MRL2025-05-13
PFMPAND—Below MRL2025-05-13
PFUnAND—Below MRL2025-05-13
PFMBAND—Below MRL2025-05-13
PFNAND10Below MRL2025-05-13
NFDHAND—Below MRL2025-05-13
PFPeAND—Below MRL2025-05-13
PFHxAND—Below MRL2025-05-13
PFDoAND—Below MRL2025-05-13
PFDAND—Below MRL2025-05-13
PFPeSND—Below MRL2025-05-13
PFOSND4Below MRL2025-05-13
4:2 FTSND—Below MRL2025-05-13
PFHxSND10Below MRL2025-05-13
PFHpAND—Below MRL2025-05-13
PFBSND—Below MRL2025-05-13
NMeFOSAAND—Below MRL2025-05-13
NEtFOSAAND—Below MRL2025-05-13
PFTrDAND—Below MRL2025-05-13
PFTAND—Below MRL2025-05-13
lithiumND—Below MRL2025-05-13
PFBAND—Below MRL2025-05-13
PFDAND—Below MRL2025-08-19
HFPO-DAND10Below MRL2025-08-19
ADONAND—Below MRL2025-08-19
9Cl-PF3ONSND—Below MRL2025-08-19
11Cl-PF3OUdSND—Below MRL2025-08-19
PFUnAND—Below MRL2025-08-19
PFBAND—Below MRL2025-08-19
PFDoAND—Below MRL2025-08-19
PFTAND—Below MRL2025-08-19
NMeFOSAAND—Below MRL2025-08-19
NEtFOSAAND—Below MRL2025-08-19
PFTrDAND—Below MRL2025-08-19
PFBSND—Below MRL2025-08-19
lithiumND—Below MRL2025-08-19
PFHxAND—Below MRL2025-08-19
PFNAND10Below MRL2025-08-19
6:2 FTSND—Below MRL2025-08-19
PFHpAND—Below MRL2025-08-19
PFOSND4Below MRL2025-08-19
PFHpSND—Below MRL2025-08-19
PFPeSND—Below MRL2025-08-19
NFDHAND—Below MRL2025-08-19
PFMBAND—Below MRL2025-08-19
PFPeAND—Below MRL2025-08-19
lithium9700—2025-02-19
PFOA9.84Exceeds2025-08-19
PFOA8.64Exceeds2025-05-13
PFOA4.64Exceeds2025-02-19

Next steps