PFAS Comply

MUSCLE SHOALS UTILITY BOARD

PWSID: AL0000321 · MUSCLE SHOALS, AL · Serving 22,467 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

PFOA9.6 ppt(MCL: 4 ppt)
PFOS16.8 ppt(MCL: 4 ppt)

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

Detection summary

5
PFAS compounds detected
16.8 ppt
Highest single detection
2024-08-13
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFPeSND—Below MRL2025-05-20
PFDAND—Below MRL2024-08-13
PFHxSND10Below MRL2024-08-13
PFDoAND—Below MRL2024-08-13
PFDAND—Below MRL2025-05-20
PFUnAND—Below MRL2025-05-20
11Cl-PF3OUdSND—Below MRL2025-05-20
9Cl-PF3ONSND—Below MRL2025-05-20
ADONAND—Below MRL2025-05-20
HFPO-DAND10Below MRL2025-05-20
PFEESAND—Below MRL2025-05-20
PFTAND—Below MRL2025-05-20
PFTrDAND—Below MRL2025-05-20
PFHpSND—Below MRL2025-05-20
NFDHAND—Below MRL2025-05-20
lithiumND—Below MRL2025-05-20
PFMBAND—Below MRL2025-05-20
PFPeAND—Below MRL2025-05-20
PFMPAND—Below MRL2025-05-20
8:2 FTSND—Below MRL2025-05-20
4:2 FTSND—Below MRL2025-05-20
6:2 FTSND—Below MRL2025-05-20
PFTrDAND—Below MRL2024-08-13
PFNAND10Below MRL2024-08-13
PFHpAND—Below MRL2024-08-13
lithiumND—Below MRL2024-08-13
NEtFOSAAND—Below MRL2024-08-13
PFTAND—Below MRL2024-08-13
PFPeAND—Below MRL2024-08-13
NMeFOSAAND—Below MRL2024-08-13
PFEESAND—Below MRL2024-08-13
PFHpSND—Below MRL2024-08-13
8:2 FTSND—Below MRL2024-08-13
NFDHAND—Below MRL2024-08-13
PFUnAND—Below MRL2024-08-13
PFMBAND—Below MRL2024-08-13
PFMPAND—Below MRL2024-08-13
11Cl-PF3OUdSND—Below MRL2024-08-13
6:2 FTSND—Below MRL2024-08-13
HFPO-DAND10Below MRL2024-08-13
ADONAND—Below MRL2024-08-13
9Cl-PF3ONSND—Below MRL2024-08-13
4:2 FTSND—Below MRL2024-08-13
PFPeSND—Below MRL2024-08-13
PFMPAND—Below MRL2024-12-10
PFPeAND—Below MRL2024-12-10
PFMBAND—Below MRL2024-12-10
PFEESAND—Below MRL2024-12-10
NFDHAND—Below MRL2024-12-10
PFPeSND—Below MRL2024-12-10
lithiumND—Below MRL2024-11-19
PFHpSND—Below MRL2024-12-10
PFTrDAND—Below MRL2024-11-19
PFHpAND—Below MRL2024-12-10
PFTAND—Below MRL2024-11-19
8:2 FTSND—Below MRL2024-12-10
NEtFOSAAND—Below MRL2024-11-19
NMeFOSAAND—Below MRL2024-11-19
PFNAND10Below MRL2024-12-10
4:2 FTSND—Below MRL2024-12-10
PFBSND—Below MRL2024-12-10
PFHxSND10Below MRL2024-12-10
PFDAND—Below MRL2024-12-10
PFDoAND—Below MRL2024-12-10
PFUnAND—Below MRL2024-12-10
11Cl-PF3OUdSND—Below MRL2024-12-10
9Cl-PF3ONSND—Below MRL2024-12-10
ADONAND—Below MRL2024-12-10
HFPO-DAND10Below MRL2024-12-10
6:2 FTSND—Below MRL2024-12-10
PFPeSND—Below MRL2025-02-27
6:2 FTSND—Below MRL2025-02-27
4:2 FTSND—Below MRL2025-02-27
8:2 FTSND—Below MRL2025-02-27
PFMPAND—Below MRL2025-02-27
PFPeAND—Below MRL2025-02-27
PFMBAND—Below MRL2025-02-27
lithiumND—Below MRL2025-02-27
NFDHAND—Below MRL2025-02-27
PFHpSND—Below MRL2025-02-27
PFEESAND—Below MRL2025-02-27
NMeFOSAAND—Below MRL2025-02-27
NEtFOSAAND—Below MRL2025-02-27
PFTrDAND—Below MRL2025-02-27
PFTAND—Below MRL2025-02-27
PFHpAND—Below MRL2025-02-27
PFDAND—Below MRL2025-02-27
PFNAND10Below MRL2025-02-27
HFPO-DAND10Below MRL2025-02-27
PFDoAND—Below MRL2025-02-27
PFUnAND—Below MRL2025-02-27
11Cl-PF3OUdSND—Below MRL2025-02-27
9Cl-PF3ONSND—Below MRL2025-02-27
ADONAND—Below MRL2025-02-27
PFHxSND10Below MRL2025-02-27
PFDoAND—Below MRL2025-05-20
NMeFOSAAND—Below MRL2025-05-20
NEtFOSAAND—Below MRL2025-05-20
PFHpAND—Below MRL2025-05-20
PFHxSND10Below MRL2025-05-20
PFNAND10Below MRL2025-05-20
PFOS16.84Exceeds2024-12-10
PFOS164Exceeds2025-05-20
PFOS124Exceeds2024-08-13
PFBA12—2024-08-13
PFOS11.94Exceeds2025-02-27
PFBA10—2025-05-20
PFOA9.64Exceeds2025-05-20
PFOA94Exceeds2024-12-10
PFOA7.84Exceeds2025-02-27
PFBA7.6—2025-02-27
PFBA7.1—2024-12-10
PFOA6.74Exceeds2024-08-13
PFBS5.1—2025-05-20
PFBS4.3—2025-02-27
PFHxA4.2—2025-05-20
PFHxA3.5—2024-12-10
PFHxA3.5—2024-08-13
PFBS3—2024-08-13
PFHxA3—2025-02-27

Next steps