PFAS Comply

CLAY RURAL WATER SYSTEM

PWSID: SD4600626 · WAKONDA, SD · Serving 4,780 people

Type: CWSOwner: PSource: GW
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
52500 ppt
Highest single detection
2025-09-03
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFTrDAND—Below MRL2025-09-03
PFHxAND—Below MRL2025-03-03
PFTAND—Below MRL2025-03-03
PFTrDAND—Below MRL2025-03-03
NEtFOSAAND—Below MRL2025-03-03
NMeFOSAAND—Below MRL2025-03-03
PFEESAND—Below MRL2025-09-03
4:2 FTSND—Below MRL2025-03-03
PFBSND—Below MRL2025-03-03
PFHpAND—Below MRL2025-03-03
PFHxSND10Below MRL2025-03-03
PFNAND10Below MRL2025-03-03
PFOSND4Below MRL2025-03-03
PFOAND4Below MRL2025-03-03
PFMPAND—Below MRL2025-03-03
PFDoAND—Below MRL2025-03-03
PFHpSND—Below MRL2025-03-03
PFUnAND—Below MRL2025-03-03
11Cl-PF3OUdSND—Below MRL2025-03-03
9Cl-PF3ONSND—Below MRL2025-03-03
ADONAND—Below MRL2025-03-03
HFPO-DAND10Below MRL2025-03-03
PFBAND—Below MRL2025-03-03
6:2 FTSND—Below MRL2025-03-03
8:2 FTSND—Below MRL2025-03-03
PFPeAND—Below MRL2025-03-03
PFEESAND—Below MRL2025-03-03
NFDHAND—Below MRL2025-03-03
PFPeSND—Below MRL2025-03-03
PFDAND—Below MRL2025-03-03
PFMBAND—Below MRL2025-03-03
PFHxSND10Below MRL2025-09-03
PFBAND—Below MRL2025-09-03
11Cl-PF3OUdSND—Below MRL2025-09-03
PFUnAND—Below MRL2025-09-03
PFHxAND—Below MRL2025-09-03
PFDAND—Below MRL2025-09-03
PFNAND10Below MRL2025-09-03
PFDoAND—Below MRL2025-09-03
PFHpAND—Below MRL2025-09-03
HFPO-DAND10Below MRL2025-09-03
ADONAND—Below MRL2025-09-03
9Cl-PF3ONSND—Below MRL2025-09-03
PFBSND—Below MRL2025-09-03
NMeFOSAAND—Below MRL2025-09-03
PFOSND4Below MRL2025-09-03
NEtFOSAAND—Below MRL2025-09-03
PFOAND4Below MRL2025-09-03
PFTAND—Below MRL2025-09-03
6:2 FTSND—Below MRL2025-09-03
PFHpSND—Below MRL2025-09-03
PFPeSND—Below MRL2025-09-03
NFDHAND—Below MRL2025-09-03
PFMBAND—Below MRL2025-09-03
4:2 FTSND—Below MRL2025-09-03
PFPeAND—Below MRL2025-09-03
PFMPAND—Below MRL2025-09-03
8:2 FTSND—Below MRL2025-09-03
lithium52500—2025-09-03
lithium50900—2025-03-03

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