PFAS Comply

FREDERICK TOWN OF

PWSID: CO0162288 · FREDERICK, CO · Serving 17,173 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
2025-09-23
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
6:2 FTSND—Below MRL2025-05-19
PFPeSND—Below MRL2025-05-19
PFDAND—Below MRL2025-05-19
PFDoAND—Below MRL2025-05-19
9Cl-PF3ONSND—Below MRL2025-05-19
ADONAND—Below MRL2025-05-19
HFPO-DAND10Below MRL2025-05-19
PFBAND—Below MRL2025-05-19
PFUnAND—Below MRL2025-05-19
4:2 FTSND—Below MRL2025-05-19
8:2 FTSND—Below MRL2025-05-19
PFMPAND—Below MRL2025-05-19
PFPeAND—Below MRL2025-05-19
PFMBAND—Below MRL2025-05-19
PFOAND4Below MRL2025-05-19
NFDHAND—Below MRL2025-05-19
PFHxAND—Below MRL2025-05-19
PFHpSND—Below MRL2025-05-19
lithiumND—Below MRL2025-01-15
PFEESAND—Below MRL2025-05-19
PFNAND10Below MRL2025-05-19
PFHxSND10Below MRL2025-05-19
PFHpAND—Below MRL2025-05-19
PFBSND—Below MRL2025-05-19
11Cl-PF3OUdSND—Below MRL2025-05-19
PFOSND4Below MRL2025-05-19
NMeFOSAAND—Below MRL2025-01-15
NEtFOSAAND—Below MRL2025-01-15
PFTrDAND—Below MRL2025-01-15
PFTAND—Below MRL2025-01-15
PFBSND—Below MRL2025-04-16
PFDAND—Below MRL2025-04-16
PFOAND4Below MRL2025-04-16
PFOSND4Below MRL2025-04-16
PFNAND10Below MRL2025-04-16
PFDoAND—Below MRL2025-04-16
PFHpAND—Below MRL2025-04-16
HFPO-DAND10Below MRL2025-04-16
PFHpSND—Below MRL2025-04-16
PFPeSND—Below MRL2025-04-16
NFDHAND—Below MRL2025-04-16
PFEESAND—Below MRL2025-04-16
PFMBAND—Below MRL2025-04-16
PFPeAND—Below MRL2025-04-16
PFHxSND10Below MRL2025-04-16
PFTrDAND—Below MRL2025-04-16
PFBAND—Below MRL2025-04-16
6:2 FTSND—Below MRL2025-04-16
4:2 FTSND—Below MRL2025-04-16
8:2 FTSND—Below MRL2025-04-16
NMeFOSAAND—Below MRL2025-04-16
9Cl-PF3ONSND—Below MRL2025-04-16
NEtFOSAAND—Below MRL2025-04-16
PFHxAND—Below MRL2025-04-16
PFTAND—Below MRL2025-04-16
PFMPAND—Below MRL2025-04-16
lithiumND—Below MRL2025-04-16
ADONAND—Below MRL2025-04-16
11Cl-PF3OUdSND—Below MRL2025-04-16
PFUnAND—Below MRL2025-04-16
HFPO-DAND10Below MRL2025-09-23
PFHpSND—Below MRL2025-09-23
PFPeSND—Below MRL2025-09-23
NMeFOSAAND—Below MRL2025-08-06
lithiumND—Below MRL2025-07-07
PFTAND—Below MRL2025-08-06
NEtFOSAAND—Below MRL2025-08-06
PFBSND—Below MRL2025-09-23
PFHpAND—Below MRL2025-09-23
PFHxSND10Below MRL2025-09-23
PFNAND10Below MRL2025-09-23
PFOSND4Below MRL2025-09-23
PFOAND4Below MRL2025-09-23
PFDAND—Below MRL2025-09-23
PFDoAND—Below MRL2025-09-23
PFHxAND—Below MRL2025-09-23
4:2 FTSND—Below MRL2025-09-23
PFUnAND—Below MRL2025-09-23
PFMBAND—Below MRL2025-09-23
PFPeAND—Below MRL2025-09-23
PFTrDAND—Below MRL2025-08-06
8:2 FTSND—Below MRL2025-09-23
PFEESAND—Below MRL2025-09-23
6:2 FTSND—Below MRL2025-09-23
PFBAND—Below MRL2025-09-23
NFDHAND—Below MRL2025-09-23
ADONAND—Below MRL2025-09-23
9Cl-PF3ONSND—Below MRL2025-09-23
11Cl-PF3OUdSND—Below MRL2025-09-23
PFMPAND—Below MRL2025-09-23
PFTrDAND—Below MRL2025-10-07
PFTAND—Below MRL2025-10-07
NMeFOSAAND—Below MRL2025-10-07
NEtFOSAAND—Below MRL2025-10-07
lithiumND—Below MRL2025-10-07

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