PFAS Comply

WEST STONE COUNTY WATER ASSN

PWSID: AR0000735 · FOX, AR · Serving 5,188 people

Type: CWSOwner: LSource: SW
Settlement eligible
May qualify for 3M/DuPont settlement funds
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Compliant

All PFAS compounds below EPA Maximum Contaminant Levels.

Key contaminants vs MCL

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

Detection summary

1
PFAS compounds detected
7.8 ppt
Highest single detection
2025-08-20
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFUnAND—Below MRL2025-08-20
PFTAND—Below MRL2025-02-24
PFHpSND—Below MRL2025-02-24
PFPeSND—Below MRL2025-02-24
NFDHAND—Below MRL2025-02-24
PFEESAND—Below MRL2025-02-24
PFMBAND—Below MRL2025-02-24
PFPeAND—Below MRL2025-02-24
PFMPAND—Below MRL2025-02-24
8:2 FTSND—Below MRL2025-02-24
PFDAND—Below MRL2025-02-24
PFTrDAND—Below MRL2025-02-24
6:2 FTSND—Below MRL2025-02-24
9Cl-PF3ONSND—Below MRL2025-02-24
HFPO-DAND10Below MRL2025-02-24
ADONAND—Below MRL2025-02-24
11Cl-PF3OUdSND—Below MRL2025-02-24
PFHxAND—Below MRL2025-02-24
PFDoAND—Below MRL2025-02-24
lithiumND—Below MRL2025-02-24
PFOAND4Below MRL2025-02-24
PFBSND—Below MRL2025-02-24
PFHpAND—Below MRL2025-02-24
PFHxSND10Below MRL2025-02-24
PFNAND10Below MRL2025-02-24
4:2 FTSND—Below MRL2025-02-24
NMeFOSAAND—Below MRL2025-02-24
NEtFOSAAND—Below MRL2025-02-24
PFUnAND—Below MRL2025-02-24
PFOSND4Below MRL2025-02-24
PFBAND—Below MRL2025-05-21
PFHpAND—Below MRL2025-05-21
PFHxSND10Below MRL2025-05-21
PFNAND10Below MRL2025-05-21
PFOSND4Below MRL2025-05-21
PFDAND—Below MRL2025-05-21
PFHxAND—Below MRL2025-05-21
PFUnAND—Below MRL2025-05-21
11Cl-PF3OUdSND—Below MRL2025-05-21
9Cl-PF3ONSND—Below MRL2025-05-21
PFBSND—Below MRL2025-05-21
HFPO-DAND10Below MRL2025-05-21
PFOAND4Below MRL2025-05-21
6:2 FTSND—Below MRL2025-05-21
4:2 FTSND—Below MRL2025-05-21
8:2 FTSND—Below MRL2025-05-21
PFMPAND—Below MRL2025-05-21
PFPeAND—Below MRL2025-05-21
PFMBAND—Below MRL2025-05-21
PFEESAND—Below MRL2025-05-21
NFDHAND—Below MRL2025-05-21
PFPeSND—Below MRL2025-05-21
PFHpSND—Below MRL2025-05-21
ADONAND—Below MRL2025-05-21
NMeFOSAAND—Below MRL2025-05-21
PFDoAND—Below MRL2025-05-21
NEtFOSAAND—Below MRL2025-05-21
PFTrDAND—Below MRL2025-05-21
PFTAND—Below MRL2025-05-21
lithiumND—Below MRL2025-05-21
lithiumND—Below MRL2025-08-20
PFTAND—Below MRL2025-08-20
PFEESAND—Below MRL2025-08-20
NEtFOSAAND—Below MRL2025-08-20
PFMBAND—Below MRL2025-08-20
NMeFOSAAND—Below MRL2025-08-20
PFNAND10Below MRL2025-08-20
PFHxSND10Below MRL2025-08-20
PFHpAND—Below MRL2025-08-20
PFBSND—Below MRL2025-08-20
4:2 FTSND—Below MRL2025-08-20
PFPeSND—Below MRL2025-08-20
PFTrDAND—Below MRL2025-08-20
11Cl-PF3OUdSND—Below MRL2025-08-20
PFHpSND—Below MRL2025-08-20
PFMPAND—Below MRL2025-08-20
8:2 FTSND—Below MRL2025-08-20
PFDAND—Below MRL2025-08-20
PFDoAND—Below MRL2025-08-20
PFHxAND—Below MRL2025-08-20
NFDHAND—Below MRL2025-08-20
PFBAND—Below MRL2025-02-24
PFOAND4Below MRL2025-08-20
9Cl-PF3ONSND—Below MRL2025-08-20
ADONAND—Below MRL2025-08-20
HFPO-DAND10Below MRL2025-08-20
6:2 FTSND—Below MRL2025-08-20
PFOSND4Below MRL2025-08-20
PFPeAND—Below MRL2025-08-20
PFBA7.8—2025-08-20

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