PFAS Comply

ASPEN CITY OF

PWSID: CO0149122 · ASPEN, CO · Serving 31,100 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
2025-07-09
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFMBAND—Below MRL2024-10-09
PFNAND10Below MRL2024-10-09
PFHxSND10Below MRL2024-10-09
PFHpAND—Below MRL2024-10-09
PFBSND—Below MRL2024-10-09
lithiumND—Below MRL2024-10-09
NMeFOSAAND—Below MRL2024-10-09
NEtFOSAAND—Below MRL2024-10-09
PFTrDAND—Below MRL2024-10-09
PFOSND4Below MRL2024-10-09
PFHpSND—Below MRL2024-10-09
ADONAND—Below MRL2024-10-09
PFEESAND—Below MRL2024-10-09
PFTAND—Below MRL2024-10-09
HFPO-DAND10Below MRL2024-10-09
NFDHAND—Below MRL2024-10-09
PFPeSND—Below MRL2024-10-09
8:2 FTSND—Below MRL2024-10-09
PFPeAND—Below MRL2024-10-09
4:2 FTSND—Below MRL2024-10-09
11Cl-PF3OUdSND—Below MRL2024-10-09
PFBAND—Below MRL2024-10-09
PFOAND4Below MRL2024-10-09
9Cl-PF3ONSND—Below MRL2024-10-09
PFMPAND—Below MRL2024-10-09
PFUnAND—Below MRL2024-10-09
PFHxAND—Below MRL2024-10-09
PFDoAND—Below MRL2024-10-09
PFDAND—Below MRL2024-10-09
6:2 FTSND—Below MRL2024-10-09
ADONAND—Below MRL2025-01-15
PFBAND—Below MRL2025-01-15
NMeFOSAAND—Below MRL2025-01-15
NEtFOSAAND—Below MRL2025-01-15
PFTrDAND—Below MRL2025-01-15
PFHpSND—Below MRL2025-01-15
PFPeSND—Below MRL2025-01-15
NFDHAND—Below MRL2025-01-15
PFEESAND—Below MRL2025-01-15
PFMBAND—Below MRL2025-01-15
PFPeAND—Below MRL2025-01-15
PFMPAND—Below MRL2025-01-15
8:2 FTSND—Below MRL2025-01-15
11Cl-PF3OUdSND—Below MRL2025-01-15
6:2 FTSND—Below MRL2025-01-15
PFDAND—Below MRL2025-01-15
PFBSND—Below MRL2025-01-15
PFHpAND—Below MRL2025-01-15
PFHxSND10Below MRL2025-01-15
PFNAND10Below MRL2025-01-15
4:2 FTSND—Below MRL2025-01-15
PFOAND4Below MRL2025-01-15
lithiumND—Below MRL2025-01-15
PFDoAND—Below MRL2025-01-15
PFHxAND—Below MRL2025-01-15
PFUnAND—Below MRL2025-01-15
PFTAND—Below MRL2025-01-15
9Cl-PF3ONSND—Below MRL2025-01-15
HFPO-DAND10Below MRL2025-01-15
PFOSND4Below MRL2025-01-15
PFPeSND—Below MRL2025-04-09
PFMBAND—Below MRL2025-04-09
PFEESAND—Below MRL2025-04-09
lithiumND—Below MRL2025-04-09
PFBSND—Below MRL2025-04-09
NMeFOSAAND—Below MRL2025-04-09
NEtFOSAAND—Below MRL2025-04-09
PFTrDAND—Below MRL2025-04-09
PFTAND—Below MRL2025-04-09
NFDHAND—Below MRL2025-04-09
PFPeAND—Below MRL2025-04-09
PFMPAND—Below MRL2025-04-09
8:2 FTSND—Below MRL2025-04-09
4:2 FTSND—Below MRL2025-04-09
6:2 FTSND—Below MRL2025-04-09
PFNAND10Below MRL2025-04-09
PFHpAND—Below MRL2025-04-09
PFHpSND—Below MRL2025-04-09
PFHxSND10Below MRL2025-04-09
PFBAND—Below MRL2025-04-09
PFOSND4Below MRL2025-04-09
PFOAND4Below MRL2025-04-09
PFDAND—Below MRL2025-04-09
PFDoAND—Below MRL2025-04-09
PFHxAND—Below MRL2025-04-09
PFUnAND—Below MRL2025-04-09
11Cl-PF3OUdSND—Below MRL2025-04-09
9Cl-PF3ONSND—Below MRL2025-04-09
ADONAND—Below MRL2025-04-09
HFPO-DAND10Below MRL2025-04-09
NEtFOSAAND—Below MRL2025-07-09
PFMPAND—Below MRL2025-07-09
PFPeAND—Below MRL2025-07-09
PFMBAND—Below MRL2025-07-09
PFEESAND—Below MRL2025-07-09
NFDHAND—Below MRL2025-07-09
PFPeSND—Below MRL2025-07-09
PFHpSND—Below MRL2025-07-09
lithiumND—Below MRL2025-07-09
PFTrDAND—Below MRL2025-07-09
8:2 FTSND—Below MRL2025-07-09
NMeFOSAAND—Below MRL2025-07-09
PFHpAND—Below MRL2025-07-09
PFTAND—Below MRL2025-07-09
PFUnAND—Below MRL2025-07-09
PFBSND—Below MRL2025-07-09
PFHxSND10Below MRL2025-07-09
PFOSND4Below MRL2025-07-09
PFOAND4Below MRL2025-07-09
PFDAND—Below MRL2025-07-09
PFNAND10Below MRL2025-07-09
PFHxAND—Below MRL2025-07-09
4:2 FTSND—Below MRL2025-07-09
11Cl-PF3OUdSND—Below MRL2025-07-09
9Cl-PF3ONSND—Below MRL2025-07-09
ADONAND—Below MRL2025-07-09
HFPO-DAND10Below MRL2025-07-09
PFBAND—Below MRL2025-07-09
6:2 FTSND—Below MRL2025-07-09
PFDoAND—Below MRL2025-07-09

Next steps