PFAS Comply

OLD UNION WATER SYSTEM

PWSID: MS0410033 · SHANNON, MS · Serving 3,749 people

Type: CWSOwner: MSource: 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
24800 ppt
Highest single detection
2025-06-03
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
ADONAND—Below MRL2025-10-15
PFTrDAND—Below MRL2025-04-15
NMeFOSAAND—Below MRL2025-04-15
PFBAND—Below MRL2025-10-15
HFPO-DAND10Below MRL2025-10-15
8:2 FTSND—Below MRL2025-10-15
9Cl-PF3ONSND—Below MRL2025-10-15
NEtFOSAAND—Below MRL2025-10-15
PFTAND—Below MRL2025-04-15
NEtFOSAAND—Below MRL2025-04-15
6:2 FTSND—Below MRL2025-10-15
4:2 FTSND—Below MRL2025-10-15
8:2 FTSND—Below MRL2025-10-15
PFEESAND—Below MRL2025-10-15
NFDHAND—Below MRL2025-10-15
PFBAND—Below MRL2025-10-15
PFHpSND—Below MRL2025-10-15
9Cl-PF3ONSND—Below MRL2025-10-15
NMeFOSAAND—Below MRL2025-10-15
NEtFOSAAND—Below MRL2025-10-15
PFTrDAND—Below MRL2025-10-15
PFTAND—Below MRL2025-10-15
PFPeSND—Below MRL2025-10-15
PFDoAND—Below MRL2025-10-15
PFHxSND10Below MRL2025-10-15
PFNAND10Below MRL2025-10-15
PFMBAND—Below MRL2025-10-15
HFPO-DAND10Below MRL2025-10-15
PFPeAND—Below MRL2025-10-15
PFHpAND—Below MRL2025-10-15
PFDAND—Below MRL2025-10-15
PFOSND4Below MRL2025-10-15
PFHxAND—Below MRL2025-10-15
PFUnAND—Below MRL2025-10-15
PFMPAND—Below MRL2025-10-15
11Cl-PF3OUdSND—Below MRL2025-10-15
PFBSND—Below MRL2025-10-15
ADONAND—Below MRL2025-10-15
PFOAND4Below MRL2025-10-15
NMeFOSAAND—Below MRL2025-06-03
PFTAND—Below MRL2025-06-03
PFTrDAND—Below MRL2025-06-03
NEtFOSAAND—Below MRL2025-06-03
PFDoAND—Below MRL2025-10-15
6:2 FTSND—Below MRL2025-10-15
4:2 FTSND—Below MRL2025-10-15
8:2 FTSND—Below MRL2025-10-15
PFMPAND—Below MRL2025-10-15
PFPeAND—Below MRL2025-10-15
PFMBAND—Below MRL2025-10-15
PFEESAND—Below MRL2025-10-15
NFDHAND—Below MRL2025-10-15
PFPeSND—Below MRL2025-10-15
PFHpSND—Below MRL2025-10-15
11Cl-PF3OUdSND—Below MRL2025-10-15
PFTrDAND—Below MRL2025-10-15
PFHxAND—Below MRL2025-10-15
NEtFOSAAND—Below MRL2025-10-15
PFDAND—Below MRL2025-10-15
PFOAND4Below MRL2025-10-15
PFOSND4Below MRL2025-10-15
PFNAND10Below MRL2025-10-15
PFTAND—Below MRL2025-10-15
PFHxSND10Below MRL2025-10-15
PFHpAND—Below MRL2025-10-15
HFPO-DAND10Below MRL2025-10-15
ADONAND—Below MRL2025-10-15
9Cl-PF3ONSND—Below MRL2025-10-15
PFBSND—Below MRL2025-10-15
PFBAND—Below MRL2025-10-15
PFUnAND—Below MRL2025-10-15
NMeFOSAAND—Below MRL2025-10-15
PFTAND—Below MRL2025-04-15
NMeFOSAAND—Below MRL2025-04-15
NEtFOSAAND—Below MRL2025-04-15
PFTrDAND—Below MRL2025-04-15
PFHxAND—Below MRL2025-10-15
PFDoAND—Below MRL2025-10-15
PFDAND—Below MRL2025-10-15
PFOAND4Below MRL2025-10-15
PFOSND4Below MRL2025-10-15
PFNAND10Below MRL2025-10-15
PFHxSND10Below MRL2025-10-15
PFUnAND—Below MRL2025-10-15
PFBSND—Below MRL2025-10-15
PFHpSND—Below MRL2025-10-15
PFPeSND—Below MRL2025-10-15
PFEESAND—Below MRL2025-10-15
NMeFOSAAND—Below MRL2025-10-15
PFHpAND—Below MRL2025-10-15
PFTAND—Below MRL2025-10-15
NFDHAND—Below MRL2025-10-15
11Cl-PF3OUdSND—Below MRL2025-10-15
PFTrDAND—Below MRL2025-10-15
PFMBAND—Below MRL2025-10-15
PFPeAND—Below MRL2025-10-15
PFMPAND—Below MRL2025-10-15
4:2 FTSND—Below MRL2025-10-15
6:2 FTSND—Below MRL2025-10-15
lithium24800—2025-04-15
lithium24600—2025-04-15
lithium21700—2025-10-15
lithium21300—2025-10-15
lithium21300—2025-10-15
lithium13500—2025-04-15

Next steps