PFAS Comply

LOUDOUN WATER - CENTRAL SYSTEM

PWSID: VA6107350 · ASHBURN, VA · Serving 334,808 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
3.4 ppt
Highest single detection
2023-09-19
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFOSND4Below MRL2024-03-18
ADONAND—Below MRL2023-08-29
9Cl-PF3ONSND—Below MRL2023-08-29
11Cl-PF3OUdSND—Below MRL2023-08-29
PFUnAND—Below MRL2023-08-29
PFHxAND—Below MRL2023-08-29
lithiumND—Below MRL2023-06-13
8:2 FTSND—Below MRL2023-08-29
PFDoAND—Below MRL2023-08-29
PFHpSND—Below MRL2023-08-29
PFPeSND—Below MRL2023-08-29
NFDHAND—Below MRL2023-08-29
PFEESAND—Below MRL2023-08-29
PFMBAND—Below MRL2023-08-29
PFMPAND—Below MRL2023-08-29
4:2 FTSND—Below MRL2023-08-29
6:2 FTSND—Below MRL2023-08-29
NMeFOSAAND—Below MRL2023-06-13
PFDAND—Below MRL2023-08-29
HFPO-DAND10Below MRL2023-08-29
PFOSND4Below MRL2023-08-29
PFNAND10Below MRL2023-08-29
PFHxSND10Below MRL2023-08-29
PFHpAND—Below MRL2023-08-29
PFTrDAND—Below MRL2023-06-13
NEtFOSAAND—Below MRL2023-06-13
PFBAND—Below MRL2023-08-29
PFTAND—Below MRL2023-06-13
PFOAND4Below MRL2023-08-29
PFBSND—Below MRL2023-08-29
NEtFOSAAND—Below MRL2023-09-19
PFDAND—Below MRL2023-10-25
PFOSND4Below MRL2023-10-25
PFNAND10Below MRL2023-10-25
PFHxSND10Below MRL2023-10-25
PFHpAND—Below MRL2023-10-25
PFBSND—Below MRL2023-10-25
NMeFOSAAND—Below MRL2023-09-19
PFDoAND—Below MRL2023-10-25
PFTrDAND—Below MRL2023-09-19
PFTAND—Below MRL2023-09-19
lithiumND—Below MRL2023-09-19
4:2 FTSND—Below MRL2023-10-25
PFMBAND—Below MRL2023-10-25
PFPeAND—Below MRL2023-10-25
PFMPAND—Below MRL2023-10-25
NFDHAND—Below MRL2023-10-25
PFOAND4Below MRL2023-10-25
PFHxAND—Below MRL2023-10-25
PFEESAND—Below MRL2023-10-25
PFHpSND—Below MRL2023-10-25
8:2 FTSND—Below MRL2023-10-25
6:2 FTSND—Below MRL2023-10-25
PFBAND—Below MRL2023-10-25
HFPO-DAND10Below MRL2023-10-25
ADONAND—Below MRL2023-10-25
9Cl-PF3ONSND—Below MRL2023-10-25
11Cl-PF3OUdSND—Below MRL2023-10-25
PFUnAND—Below MRL2023-10-25
PFPeSND—Below MRL2023-10-25
6:2 FTSND—Below MRL2024-01-22
lithiumND—Below MRL2023-12-19
PFTrDAND—Below MRL2023-12-19
NEtFOSAAND—Below MRL2023-12-19
NMeFOSAAND—Below MRL2023-12-19
PFTAND—Below MRL2023-12-19
11Cl-PF3OUdSND—Below MRL2024-01-22
PFMBAND—Below MRL2024-01-22
PFHpSND—Below MRL2024-01-22
PFDAND—Below MRL2024-01-22
PFPeSND—Below MRL2024-01-22
PFEESAND—Below MRL2024-01-22
PFMPAND—Below MRL2024-01-22
8:2 FTSND—Below MRL2024-01-22
4:2 FTSND—Below MRL2024-01-22
PFBAND—Below MRL2024-01-22
HFPO-DAND10Below MRL2024-01-22
9Cl-PF3ONSND—Below MRL2024-01-22
PFPeAND—Below MRL2024-01-22
PFHxAND—Below MRL2024-01-22
PFDoAND—Below MRL2024-01-22
PFOAND4Below MRL2024-01-22
PFOSND4Below MRL2024-01-22
PFNAND10Below MRL2024-01-22
PFHpAND—Below MRL2024-01-22
PFBSND—Below MRL2024-01-22
PFHxSND10Below MRL2024-01-22
PFUnAND—Below MRL2024-01-22
ADONAND—Below MRL2024-01-22
NFDHAND—Below MRL2024-01-22
6:2 FTSND—Below MRL2024-03-18
PFTAND—Below MRL2024-03-18
PFTrDAND—Below MRL2024-03-18
PFHpAND—Below MRL2024-03-18
PFHxSND10Below MRL2024-03-18
PFOSND4Below MRL2024-03-18
PFDAND—Below MRL2024-03-18
PFDoAND—Below MRL2024-03-18
PFHxAND—Below MRL2024-03-18
PFUnAND—Below MRL2024-03-18
11Cl-PF3OUdSND—Below MRL2024-03-18
9Cl-PF3ONSND—Below MRL2024-03-18
ADONAND—Below MRL2024-03-18
PFBSND—Below MRL2024-03-18
PFBAND—Below MRL2024-03-18
PFNAND10Below MRL2024-03-18
4:2 FTSND—Below MRL2024-03-18
8:2 FTSND—Below MRL2024-03-18
PFMPAND—Below MRL2024-03-18
PFPeAND—Below MRL2024-03-18
PFMBAND—Below MRL2024-03-18
PFEESAND—Below MRL2024-03-18
NFDHAND—Below MRL2024-03-18
PFPeSND—Below MRL2024-03-18
PFHpSND—Below MRL2024-03-18
NEtFOSAAND—Below MRL2024-03-18
NMeFOSAAND—Below MRL2024-03-18
HFPO-DAND10Below MRL2024-03-18
lithiumND—Below MRL2024-03-18
PFOAND4Below MRL2024-03-18
PFUnAND—Below MRL2023-08-29
8:2 FTSND—Below MRL2023-08-29
4:2 FTSND—Below MRL2023-08-29
6:2 FTSND—Below MRL2023-08-29
PFBAND—Below MRL2023-08-29
PFDAND—Below MRL2023-08-29
PFOAND4Below MRL2023-08-29
PFOSND4Below MRL2023-08-29
PFHpAND—Below MRL2023-08-29
ADONAND—Below MRL2023-08-29
PFMPAND—Below MRL2023-08-29
11Cl-PF3OUdSND—Below MRL2023-08-29
PFHxSND10Below MRL2023-08-29
PFHxAND—Below MRL2023-08-29
PFDoAND—Below MRL2023-08-29
PFBSND—Below MRL2023-08-29
PFPeSND—Below MRL2023-08-29
PFHpSND—Below MRL2023-08-29
lithiumND—Below MRL2023-06-13
PFNAND10Below MRL2023-08-29
PFTAND—Below MRL2023-06-13
PFTrDAND—Below MRL2023-06-13
NEtFOSAAND—Below MRL2023-06-13
NMeFOSAAND—Below MRL2023-06-13
9Cl-PF3ONSND—Below MRL2023-08-29
PFMBAND—Below MRL2023-08-29
PFEESAND—Below MRL2023-08-29
NFDHAND—Below MRL2023-08-29
PFPeAND—Below MRL2023-08-29
HFPO-DAND10Below MRL2023-08-29
6:2 FTSND—Below MRL2023-09-19
PFHpAND—Below MRL2023-09-19
ADONAND—Below MRL2023-09-19
PFBAND—Below MRL2023-09-19
PFTAND—Below MRL2023-09-19
PFTrDAND—Below MRL2023-09-19
PFHxSND10Below MRL2023-09-19
NMeFOSAAND—Below MRL2023-09-19
PFBSND—Below MRL2023-09-19
4:2 FTSND—Below MRL2023-09-19
8:2 FTSND—Below MRL2023-09-19
PFMPAND—Below MRL2023-09-19
PFPeAND—Below MRL2023-09-19
lithiumND—Below MRL2023-09-19
NEtFOSAAND—Below MRL2023-09-19
PFEESAND—Below MRL2023-09-19
PFHpSND—Below MRL2023-09-19
PFPeSND—Below MRL2023-09-19
PFMBAND—Below MRL2023-09-19
HFPO-DAND10Below MRL2023-09-19
PFNAND10Below MRL2023-09-19
NFDHAND—Below MRL2023-09-19
PFOAND4Below MRL2023-09-19
PFDAND—Below MRL2023-09-19
PFDoAND—Below MRL2023-09-19
PFHxAND—Below MRL2023-09-19
PFUnAND—Below MRL2023-09-19
11Cl-PF3OUdSND—Below MRL2023-09-19
9Cl-PF3ONSND—Below MRL2023-09-19
PFOSND4Below MRL2023-09-19
PFTrDAND—Below MRL2023-12-19
lithiumND—Below MRL2023-12-19
PFNAND10Below MRL2023-12-19
PFHpAND—Below MRL2023-12-19
PFOSND4Below MRL2023-12-19
PFOAND4Below MRL2023-12-19
PFHxSND10Below MRL2023-12-19
11Cl-PF3OUdSND—Below MRL2023-12-19
NEtFOSAAND—Below MRL2023-12-19
PFTAND—Below MRL2023-12-19
NMeFOSAAND—Below MRL2023-12-19
PFEESAND—Below MRL2023-12-19
PFBSND—Below MRL2023-12-19
PFHpSND—Below MRL2023-12-19
PFPeSND—Below MRL2023-12-19
NFDHAND—Below MRL2023-12-19
PFMBAND—Below MRL2023-12-19
PFPeAND—Below MRL2023-12-19
PFMPAND—Below MRL2023-12-19
8:2 FTSND—Below MRL2023-12-19
4:2 FTSND—Below MRL2023-12-19
PFUnAND—Below MRL2023-12-19
PFDoAND—Below MRL2023-12-19
6:2 FTSND—Below MRL2023-12-19
PFHxAND—Below MRL2023-12-19
PFDAND—Below MRL2023-12-19
9Cl-PF3ONSND—Below MRL2023-12-19
ADONAND—Below MRL2023-12-19
HFPO-DAND10Below MRL2023-12-19
PFBAND—Below MRL2023-12-19
PFDoAND—Below MRL2024-03-18
9Cl-PF3ONSND—Below MRL2024-03-18
NFDHAND—Below MRL2024-03-18
4:2 FTSND—Below MRL2024-03-18
HFPO-DAND10Below MRL2024-03-18
6:2 FTSND—Below MRL2024-03-18
ADONAND—Below MRL2024-03-18
8:2 FTSND—Below MRL2024-03-18
PFMPAND—Below MRL2024-03-18
PFPeAND—Below MRL2024-03-18
PFPeSND—Below MRL2024-03-18
PFEESAND—Below MRL2024-03-18
PFDAND—Below MRL2024-03-18
PFHpAND—Below MRL2024-03-18
PFBAND—Below MRL2024-03-18
PFMBAND—Below MRL2024-03-18
PFBSND—Below MRL2024-03-18
lithiumND—Below MRL2024-03-18
PFTAND—Below MRL2024-03-18
PFTrDAND—Below MRL2024-03-18
NEtFOSAAND—Below MRL2024-03-18
PFHxAND—Below MRL2024-03-18
NMeFOSAAND—Below MRL2024-03-18
PFOAND4Below MRL2024-03-18
PFHpSND—Below MRL2024-03-18
PFUnAND—Below MRL2024-03-18
11Cl-PF3OUdSND—Below MRL2024-03-18
PFHxSND10Below MRL2024-03-18
PFNAND10Below MRL2024-03-18
PFPeA3.4—2023-08-29

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