PFAS Comply

LEFT HAND WD

PWSID: CO0107471 · NIWOT, CO · Serving 20,280 people

Type: CWSOwner: LSource: SW
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

0
PFAS compounds detected
N/A ppt
Highest single detection
2023-09-07
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
6:2 FTSND—Below MRL2023-10-12
9Cl-PF3ONSND—Below MRL2023-10-12
ADONAND—Below MRL2023-10-12
HFPO-DAND10Below MRL2023-10-12
PFBAND—Below MRL2023-10-12
11Cl-PF3OUdSND—Below MRL2023-10-12
PFMBAND—Below MRL2023-10-12
PFDAND—Below MRL2023-10-12
4:2 FTSND—Below MRL2023-10-12
8:2 FTSND—Below MRL2023-10-12
PFMPAND—Below MRL2023-10-12
PFPeAND—Below MRL2023-10-12
lithiumND—Below MRL2023-10-12
PFUnAND—Below MRL2023-10-12
PFDoAND—Below MRL2023-10-12
PFOAND4Below MRL2023-10-12
PFOSND4Below MRL2023-10-12
PFNAND10Below MRL2023-10-12
PFHxSND10Below MRL2023-10-12
PFHpAND—Below MRL2023-10-12
PFBSND—Below MRL2023-10-12
PFEESAND—Below MRL2023-10-12
PFPeSND—Below MRL2023-10-12
NFDHAND—Below MRL2023-10-12
PFHpSND—Below MRL2023-10-12
PFHxAND—Below MRL2023-10-12
NMeFOSAAND—Below MRL2023-10-12
NEtFOSAAND—Below MRL2023-10-12
PFTrDAND—Below MRL2023-10-12
PFTAND—Below MRL2023-10-12
PFMBAND—Below MRL2024-01-24
PFHxAND—Below MRL2024-01-24
PFUnAND—Below MRL2024-01-24
11Cl-PF3OUdSND—Below MRL2024-01-24
9Cl-PF3ONSND—Below MRL2024-01-24
ADONAND—Below MRL2024-01-24
HFPO-DAND10Below MRL2024-01-24
PFBAND—Below MRL2024-01-24
6:2 FTSND—Below MRL2024-01-24
PFDoAND—Below MRL2024-01-24
PFMPAND—Below MRL2024-01-24
8:2 FTSND—Below MRL2024-01-24
PFEESAND—Below MRL2024-01-24
NFDHAND—Below MRL2024-01-24
PFPeSND—Below MRL2024-01-24
PFHpSND—Below MRL2024-01-24
4:2 FTSND—Below MRL2024-01-24
PFOAND4Below MRL2024-01-24
PFPeAND—Below MRL2024-01-24
NEtFOSAAND—Below MRL2024-01-24
PFTrDAND—Below MRL2024-01-24
PFTAND—Below MRL2024-01-24
NMeFOSAAND—Below MRL2024-01-24
lithiumND—Below MRL2024-01-24
PFBSND—Below MRL2024-01-24
PFHpAND—Below MRL2024-01-24
PFHxSND10Below MRL2024-01-24
PFNAND10Below MRL2024-01-24
PFOSND4Below MRL2024-01-24
PFDAND—Below MRL2024-01-24
9Cl-PF3ONSND—Below MRL2024-04-02
PFOSND4Below MRL2024-04-02
PFTAND—Below MRL2024-04-02
PFOAND4Below MRL2024-04-02
PFUnAND—Below MRL2024-04-02
11Cl-PF3OUdSND—Below MRL2024-04-02
PFTrDAND—Below MRL2024-04-02
NEtFOSAAND—Below MRL2024-04-02
NMeFOSAAND—Below MRL2024-04-02
PFHpSND—Below MRL2024-04-02
HFPO-DAND10Below MRL2024-04-02
NFDHAND—Below MRL2024-04-02
4:2 FTSND—Below MRL2024-04-02
PFEESAND—Below MRL2024-04-02
ADONAND—Below MRL2024-04-02
PFMBAND—Below MRL2024-04-02
PFPeAND—Below MRL2024-04-02
PFNAND10Below MRL2024-04-02
PFMPAND—Below MRL2024-04-02
PFDAND—Below MRL2024-04-02
8:2 FTSND—Below MRL2024-04-02
PFBAND—Below MRL2024-04-02
6:2 FTSND—Below MRL2024-04-02
PFPeSND—Below MRL2024-04-02
PFHpAND—Below MRL2024-04-02
PFBSND—Below MRL2024-04-02
PFDoAND—Below MRL2024-04-02
PFHxAND—Below MRL2024-04-02
PFHxSND10Below MRL2024-04-02
lithiumND—Below MRL2024-04-02
PFMBAND—Below MRL2024-07-23
PFPeSND—Below MRL2024-07-23
NFDHAND—Below MRL2024-07-23
PFEESAND—Below MRL2024-07-23
PFOSND4Below MRL2024-07-23
PFHpSND—Below MRL2024-07-23
PFHxSND10Below MRL2024-07-23
6:2 FTSND—Below MRL2024-07-23
PFPeAND—Below MRL2024-07-23
PFMPAND—Below MRL2024-07-23
9Cl-PF3ONSND—Below MRL2024-07-23
PFNAND10Below MRL2024-07-23
PFUnAND—Below MRL2024-07-23
NMeFOSAAND—Below MRL2024-07-23
PFHxAND—Below MRL2024-07-23
PFDoAND—Below MRL2024-07-23
PFDAND—Below MRL2024-07-23
PFBAND—Below MRL2024-07-23
PFHpAND—Below MRL2024-07-23
PFOAND4Below MRL2024-07-23
PFBSND—Below MRL2024-07-23
11Cl-PF3OUdSND—Below MRL2024-07-23
4:2 FTSND—Below MRL2024-07-23
HFPO-DAND10Below MRL2024-07-23
8:2 FTSND—Below MRL2024-07-23
lithiumND—Below MRL2024-07-23
ADONAND—Below MRL2024-07-23
NEtFOSAAND—Below MRL2024-07-23
PFTAND—Below MRL2024-07-23
PFTrDAND—Below MRL2024-07-23
PFMBAND—Below MRL2023-09-07
NMeFOSAAND—Below MRL2023-09-07
NEtFOSAAND—Below MRL2023-09-07
lithiumND—Below MRL2023-09-07
PFTrDAND—Below MRL2023-09-07
PFHpSND—Below MRL2023-09-07
PFPeSND—Below MRL2023-09-07
PFTAND—Below MRL2023-09-07
PFEESAND—Below MRL2023-09-07
PFPeAND—Below MRL2023-09-07
PFMPAND—Below MRL2023-09-07
8:2 FTSND—Below MRL2023-09-07
4:2 FTSND—Below MRL2023-09-07
6:2 FTSND—Below MRL2023-09-07
PFBAND—Below MRL2023-09-07
PFOSND4Below MRL2023-09-07
PFBSND—Below MRL2023-09-07
PFHpAND—Below MRL2023-09-07
NFDHAND—Below MRL2023-09-07
HFPO-DAND10Below MRL2023-09-07
PFNAND10Below MRL2023-09-07
PFOAND4Below MRL2023-09-07
PFDAND—Below MRL2023-09-07
PFDoAND—Below MRL2023-09-07
PFHxAND—Below MRL2023-09-07
PFUnAND—Below MRL2023-09-07
11Cl-PF3OUdSND—Below MRL2023-09-07
9Cl-PF3ONSND—Below MRL2023-09-07
ADONAND—Below MRL2023-09-07
PFHxSND10Below MRL2023-09-07
PFHxAND—Below MRL2024-09-16
PFHxSND10Below MRL2024-09-16
NEtFOSAAND—Below MRL2024-09-16
PFDoAND—Below MRL2024-09-16
PFDAND—Below MRL2024-09-16
PFOAND4Below MRL2024-09-16
NMeFOSAAND—Below MRL2024-09-16
PFTrDAND—Below MRL2024-09-16
PFTAND—Below MRL2024-09-16
PFOSND4Below MRL2024-09-16
lithiumND—Below MRL2024-09-16
PFHpAND—Below MRL2024-09-16
PFPeSND—Below MRL2024-09-16
PFBSND—Below MRL2024-09-16
4:2 FTSND—Below MRL2024-09-16
PFHpSND—Below MRL2024-09-16
NFDHAND—Below MRL2024-09-16
PFNAND10Below MRL2024-09-16
PFMBAND—Below MRL2024-09-16
PFPeAND—Below MRL2024-09-16
PFEESAND—Below MRL2024-09-16
8:2 FTSND—Below MRL2024-09-16
PFUnAND—Below MRL2024-09-16
6:2 FTSND—Below MRL2024-09-16
PFBAND—Below MRL2024-09-16
HFPO-DAND10Below MRL2024-09-16
ADONAND—Below MRL2024-09-16
9Cl-PF3ONSND—Below MRL2024-09-16
11Cl-PF3OUdSND—Below MRL2024-09-16
PFMPAND—Below MRL2024-09-16
PFHxAND—Below MRL2024-04-17
ADONAND—Below MRL2024-04-17
PFHpSND—Below MRL2024-04-17
NFDHAND—Below MRL2024-04-17
PFEESAND—Below MRL2024-04-17
PFMBAND—Below MRL2024-04-17
PFPeAND—Below MRL2024-04-17
PFMPAND—Below MRL2024-04-17
8:2 FTSND—Below MRL2024-04-17
4:2 FTSND—Below MRL2024-04-17
6:2 FTSND—Below MRL2024-04-17
PFDAND—Below MRL2024-04-17
HFPO-DAND10Below MRL2024-04-17
lithiumND—Below MRL2024-04-17
9Cl-PF3ONSND—Below MRL2024-04-17
11Cl-PF3OUdSND—Below MRL2024-04-17
PFUnAND—Below MRL2024-04-17
PFPeSND—Below MRL2024-04-17
PFDoAND—Below MRL2024-04-17
PFOAND4Below MRL2024-04-17
PFOSND4Below MRL2024-04-17
PFNAND10Below MRL2024-04-17
PFHxSND10Below MRL2024-04-17
PFBSND—Below MRL2024-04-17
PFBAND—Below MRL2024-04-17
PFTAND—Below MRL2024-04-17
PFHpAND—Below MRL2024-04-17
NMeFOSAAND—Below MRL2024-04-17
NEtFOSAAND—Below MRL2024-04-17
PFTrDAND—Below MRL2024-04-17
ADONAND—Below MRL2024-07-11
9Cl-PF3ONSND—Below MRL2024-07-11
11Cl-PF3OUdSND—Below MRL2024-07-11
PFUnAND—Below MRL2024-07-11
PFHxAND—Below MRL2024-07-11
PFDoAND—Below MRL2024-07-11
PFOAND4Below MRL2024-07-11
HFPO-DAND10Below MRL2024-07-11
PFHxSND10Below MRL2024-07-11
PFDAND—Below MRL2024-07-11
PFHpAND—Below MRL2024-07-11
PFBSND—Below MRL2024-07-11
NEtFOSAAND—Below MRL2024-07-11
PFNAND10Below MRL2024-07-11
PFHpSND—Below MRL2024-07-11
NMeFOSAAND—Below MRL2024-07-11
PFTrDAND—Below MRL2024-07-11
PFOSND4Below MRL2024-07-11
PFBAND—Below MRL2024-07-11
PFTAND—Below MRL2024-07-11
lithiumND—Below MRL2024-07-11
PFPeSND—Below MRL2024-07-11
NFDHAND—Below MRL2024-07-11
PFMPAND—Below MRL2024-07-11
PFEESAND—Below MRL2024-07-11
PFMBAND—Below MRL2024-07-11
PFPeAND—Below MRL2024-07-11
6:2 FTSND—Below MRL2024-07-11
4:2 FTSND—Below MRL2024-07-11
8:2 FTSND—Below MRL2024-07-11

Next steps