PFAS Comply

MADISON COUNTY WATER DEPARTMENT

PWSID: AL0000888 · HUNTSVILLE, AL · Serving 119,100 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

PFOS5 ppt(MCL: 4 ppt)

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

Detection summary

3
PFAS compounds detected
8.3 ppt
Highest single detection
2025-09-08
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFBSND—Below MRL2025-06-03
lithiumND—Below MRL2024-12-03
PFTAND—Below MRL2024-12-03
NMeFOSAAND—Below MRL2024-12-03
NEtFOSAAND—Below MRL2024-12-03
PFHpAND—Below MRL2024-12-19
PFHxSND10Below MRL2024-12-19
PFNAND10Below MRL2024-12-19
PFPeAND—Below MRL2025-06-03
NEtFOSAAND—Below MRL2025-06-03
PFTrDAND—Below MRL2025-06-03
PFTAND—Below MRL2025-06-03
PFPeSND—Below MRL2025-06-03
PFHxAND—Below MRL2025-06-03
PFEESAND—Below MRL2025-06-03
PFMBAND—Below MRL2025-06-03
PFDoAND—Below MRL2024-12-19
PFDAND—Below MRL2024-12-19
PFHxAND—Below MRL2024-12-19
PFUnAND—Below MRL2024-12-19
11Cl-PF3OUdSND—Below MRL2024-12-19
9Cl-PF3ONSND—Below MRL2024-12-19
NFDHAND—Below MRL2024-12-19
PFTrDAND—Below MRL2024-12-03
PFOAND4Below MRL2024-12-19
PFPeSND—Below MRL2024-12-19
ADONAND—Below MRL2024-12-19
PFEESAND—Below MRL2024-12-19
PFMBAND—Below MRL2024-12-19
PFPeAND—Below MRL2024-12-19
HFPO-DAND10Below MRL2024-12-19
8:2 FTSND—Below MRL2024-12-19
4:2 FTSND—Below MRL2024-12-19
6:2 FTSND—Below MRL2024-12-19
PFBAND—Below MRL2024-12-19
PFMPAND—Below MRL2024-12-19
PFHpSND—Below MRL2024-12-19
11Cl-PF3OUdSND—Below MRL2025-03-20
PFUnAND—Below MRL2025-03-20
PFHxAND—Below MRL2025-03-20
PFDoAND—Below MRL2025-03-20
PFDAND—Below MRL2025-03-20
PFOAND4Below MRL2025-03-20
PFNAND10Below MRL2025-03-20
PFHxSND10Below MRL2025-03-20
9Cl-PF3ONSND—Below MRL2025-03-20
PFOSND4Below MRL2025-03-20
HFPO-DAND10Below MRL2025-03-20
6:2 FTSND—Below MRL2025-03-20
4:2 FTSND—Below MRL2025-03-20
8:2 FTSND—Below MRL2025-03-20
PFMPAND—Below MRL2025-03-20
PFPeAND—Below MRL2025-03-20
PFMBAND—Below MRL2025-03-20
PFEESAND—Below MRL2025-03-20
NFDHAND—Below MRL2025-03-20
PFPeSND—Below MRL2025-03-20
PFHpSND—Below MRL2025-03-20
PFHpAND—Below MRL2025-03-20
ADONAND—Below MRL2025-03-20
lithiumND—Below MRL2025-03-20
PFBAND—Below MRL2025-03-20
PFTAND—Below MRL2025-03-20
PFTrDAND—Below MRL2025-03-20
NEtFOSAAND—Below MRL2025-03-20
NMeFOSAAND—Below MRL2025-03-20
PFPeAND—Below MRL2025-06-03
11Cl-PF3OUdSND—Below MRL2025-06-03
9Cl-PF3ONSND—Below MRL2025-06-03
ADONAND—Below MRL2025-06-03
HFPO-DAND10Below MRL2025-06-03
6:2 FTSND—Below MRL2025-06-03
PFUnAND—Below MRL2025-06-03
8:2 FTSND—Below MRL2025-06-03
PFMPAND—Below MRL2025-06-03
lithiumND—Below MRL2025-06-03
NMeFOSAAND—Below MRL2025-06-03
4:2 FTSND—Below MRL2025-06-03
PFPeSND—Below MRL2025-06-03
PFHxAND—Below MRL2025-06-03
PFMBAND—Below MRL2025-06-03
PFEESAND—Below MRL2025-06-03
NFDHAND—Below MRL2025-06-03
PFTrDAND—Below MRL2025-06-03
PFTAND—Below MRL2025-06-03
NEtFOSAAND—Below MRL2025-06-03
PFHpSND—Below MRL2025-06-03
PFHpAND—Below MRL2025-06-03
PFHxSND10Below MRL2025-06-03
PFNAND10Below MRL2025-06-03
PFOAND4Below MRL2025-06-03
PFDAND—Below MRL2025-06-03
PFDoAND—Below MRL2025-06-03
PFNAND10Below MRL2025-09-08
PFHxAND—Below MRL2025-09-08
11Cl-PF3OUdSND—Below MRL2025-09-08
PFUnAND—Below MRL2025-09-08
ADONAND—Below MRL2025-09-08
PFDoAND—Below MRL2025-09-08
PFDAND—Below MRL2025-09-08
PFHxSND10Below MRL2025-09-08
PFHpAND—Below MRL2025-09-08
PFOAND4Below MRL2025-09-08
6:2 FTSND—Below MRL2025-09-08
4:2 FTSND—Below MRL2025-09-08
8:2 FTSND—Below MRL2025-09-08
PFMPAND—Below MRL2025-09-08
PFPeSND—Below MRL2025-09-08
PFHpSND—Below MRL2025-09-08
PFMBAND—Below MRL2025-09-08
PFEESAND—Below MRL2025-09-08
NFDHAND—Below MRL2025-09-08
9Cl-PF3ONSND—Below MRL2025-09-08
PFPeAND—Below MRL2025-09-08
NEtFOSAAND—Below MRL2025-09-08
PFTrDAND—Below MRL2025-09-08
PFTAND—Below MRL2025-09-08
lithiumND—Below MRL2025-09-08
HFPO-DAND10Below MRL2025-09-08
NMeFOSAAND—Below MRL2025-09-08
9Cl-PF3ONSND—Below MRL2024-12-03
PFHpAND—Below MRL2024-12-03
PFHxSND10Below MRL2024-12-03
PFNAND10Below MRL2024-12-03
PFOSND4Below MRL2024-12-03
PFOAND4Below MRL2024-12-03
PFDAND—Below MRL2024-12-03
PFDoAND—Below MRL2024-12-03
PFHxAND—Below MRL2024-12-03
PFBSND—Below MRL2024-12-03
ADONAND—Below MRL2024-12-03
11Cl-PF3OUdSND—Below MRL2024-12-03
PFUnAND—Below MRL2024-12-03
NFDHAND—Below MRL2024-12-03
NMeFOSAAND—Below MRL2024-12-03
NEtFOSAAND—Below MRL2024-12-03
PFTrDAND—Below MRL2024-12-03
PFTAND—Below MRL2024-12-03
PFHpSND—Below MRL2024-12-03
PFPeSND—Below MRL2024-12-03
PFMBAND—Below MRL2024-12-03
PFPeAND—Below MRL2024-12-03
PFMPAND—Below MRL2024-12-03
8:2 FTSND—Below MRL2024-12-03
4:2 FTSND—Below MRL2024-12-03
6:2 FTSND—Below MRL2024-12-03
PFBAND—Below MRL2024-12-03
HFPO-DAND10Below MRL2024-12-03
lithiumND—Below MRL2024-12-03
PFEESAND—Below MRL2024-12-03
11Cl-PF3OUdSND—Below MRL2025-06-03
PFTAND—Below MRL2025-06-03
8:2 FTSND—Below MRL2025-06-03
4:2 FTSND—Below MRL2025-06-03
PFDAND—Below MRL2025-06-03
PFBAND—Below MRL2025-06-03
PFTrDAND—Below MRL2025-06-03
9Cl-PF3ONSND—Below MRL2025-06-03
6:2 FTSND—Below MRL2025-06-03
PFUnAND—Below MRL2025-06-03
PFHxAND—Below MRL2025-06-03
PFDoAND—Below MRL2025-06-03
PFHpSND—Below MRL2025-06-03
PFOAND4Below MRL2025-06-03
ADONAND—Below MRL2025-06-03
PFMBAND—Below MRL2025-06-03
PFPeSND—Below MRL2025-06-03
NFDHAND—Below MRL2025-06-03
HFPO-DAND10Below MRL2025-06-03
PFEESAND—Below MRL2025-06-03
NEtFOSAAND—Below MRL2025-06-03
PFOSND4Below MRL2025-06-03
PFNAND10Below MRL2025-06-03
PFHxSND10Below MRL2025-06-03
PFHpAND—Below MRL2025-06-03
NMeFOSAAND—Below MRL2025-06-03
lithiumND—Below MRL2025-06-03
PFPeAND—Below MRL2025-06-03
PFMPAND—Below MRL2025-06-03
PFBSND—Below MRL2025-06-03
PFTAND—Below MRL2024-12-19
ADONAND—Below MRL2024-12-19
PFNAND10Below MRL2024-12-19
11Cl-PF3OUdSND—Below MRL2024-12-19
PFUnAND—Below MRL2024-12-19
PFHxAND—Below MRL2024-12-19
NEtFOSAAND—Below MRL2024-12-19
PFDAND—Below MRL2024-12-19
PFTrDAND—Below MRL2024-12-19
PFOAND4Below MRL2024-12-19
PFOSND4Below MRL2024-12-19
lithiumND—Below MRL2024-12-03
PFBSND—Below MRL2024-12-19
PFHpAND—Below MRL2024-12-19
PFHxSND10Below MRL2024-12-19
PFDoAND—Below MRL2024-12-19
HFPO-DAND10Below MRL2024-12-19
PFBAND—Below MRL2024-12-19
6:2 FTSND—Below MRL2024-12-19
4:2 FTSND—Below MRL2024-12-19
8:2 FTSND—Below MRL2024-12-19
PFMPAND—Below MRL2024-12-19
9Cl-PF3ONSND—Below MRL2024-12-19
PFPeAND—Below MRL2024-12-19
NMeFOSAAND—Below MRL2024-12-19
PFMBAND—Below MRL2024-12-19
PFEESAND—Below MRL2024-12-19
NFDHAND—Below MRL2024-12-19
PFPeSND—Below MRL2024-12-19
PFHpSND—Below MRL2024-12-19
PFBSND—Below MRL2025-06-03
PFPeSND—Below MRL2025-06-03
PFMBAND—Below MRL2025-06-03
lithiumND—Below MRL2025-06-03
6:2 FTSND—Below MRL2025-06-03
PFHpSND—Below MRL2025-06-03
9Cl-PF3ONSND—Below MRL2025-06-03
PFEESAND—Below MRL2025-06-03
NFDHAND—Below MRL2025-06-03
PFOSND4Below MRL2025-06-03
PFOAND4Below MRL2025-06-03
PFDAND—Below MRL2025-06-03
PFDoAND—Below MRL2025-06-03
PFHxAND—Below MRL2025-06-03
8:2 FTSND—Below MRL2025-06-03
11Cl-PF3OUdSND—Below MRL2025-06-03
PFPeAND—Below MRL2025-06-03
ADONAND—Below MRL2025-06-03
HFPO-DAND10Below MRL2025-06-03
PFBAND—Below MRL2025-06-03
PFNAND10Below MRL2025-06-03
4:2 FTSND—Below MRL2025-06-03
PFHxSND10Below MRL2025-06-03
PFMPAND—Below MRL2025-06-03
PFUnAND—Below MRL2025-06-03
PFTAND—Below MRL2025-06-03
NMeFOSAAND—Below MRL2025-06-03
PFTrDAND—Below MRL2025-06-03
PFHpAND—Below MRL2025-06-03
NEtFOSAAND—Below MRL2025-06-03
PFHxAND—Below MRL2024-12-03
4:2 FTSND—Below MRL2024-12-03
6:2 FTSND—Below MRL2024-12-03
PFBAND—Below MRL2024-12-03
HFPO-DAND10Below MRL2024-12-03
ADONAND—Below MRL2024-12-03
9Cl-PF3ONSND—Below MRL2024-12-03
PFDAND—Below MRL2024-12-03
PFUnAND—Below MRL2024-12-03
PFOSND4Below MRL2024-12-03
8:2 FTSND—Below MRL2024-12-03
PFBSND—Below MRL2024-12-03
PFDoAND—Below MRL2024-12-03
PFHpAND—Below MRL2024-12-03
PFHxSND10Below MRL2024-12-03
PFNAND10Below MRL2024-12-03
PFOAND4Below MRL2024-12-03
11Cl-PF3OUdSND—Below MRL2024-12-03
PFHpSND—Below MRL2024-12-03
PFMPAND—Below MRL2024-12-03
NMeFOSAAND—Below MRL2024-12-03
NEtFOSAAND—Below MRL2024-12-03
lithiumND—Below MRL2024-12-03
PFTAND—Below MRL2024-12-03
PFPeSND—Below MRL2024-12-03
NFDHAND—Below MRL2024-12-03
PFEESAND—Below MRL2024-12-03
PFMBAND—Below MRL2024-12-03
PFPeAND—Below MRL2024-12-03
PFTrDAND—Below MRL2024-12-03
4:2 FTSND—Below MRL2025-06-03
PFOAND4Below MRL2025-06-03
8:2 FTSND—Below MRL2025-06-03
6:2 FTSND—Below MRL2025-06-03
PFBAND—Below MRL2025-06-03
HFPO-DAND10Below MRL2025-06-03
ADONAND—Below MRL2025-06-03
9Cl-PF3ONSND—Below MRL2025-06-03
11Cl-PF3OUdSND—Below MRL2025-06-03
PFUnAND—Below MRL2025-06-03
PFMPAND—Below MRL2025-06-03
PFDAND—Below MRL2025-06-03
PFHpSND—Below MRL2025-06-03
PFOSND4Below MRL2025-06-03
PFNAND10Below MRL2025-06-03
PFDoAND—Below MRL2025-06-03
NMeFOSAAND—Below MRL2025-06-03
PFHpAND—Below MRL2025-06-03
PFHxSND10Below MRL2025-06-03
NFDHAND—Below MRL2025-06-03
lithiumND—Below MRL2025-06-03
PFBA8.3—2025-06-03
PFOS54Exceeds2025-09-08
PFBA5—2025-09-08
PFOS4.94Exceeds2024-12-19
PFBS4.7—2025-06-03
PFBS4.3—2025-09-08
PFOS4.14Exceeds2025-06-03
PFBS4—2025-03-20
PFBS3.9—2024-12-19

Violation history

Monitoring & Reporting - PFOA(PFOA)
2023-01-11 · Open · Tier 3
Monitoring & Reporting - PFOS(PFOS)
2023-01-11 · Open · Tier 3
Monitoring & Reporting - PFHxS(PFHxS)
2023-01-11 · Open · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2023-01-11 · Open · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2023-01-11 · Open · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2023-01-11 · Open · Tier 3
Monitoring & Reporting - PFHxA(PFHxA)
2023-01-11 · Open · Tier 3

Next steps