PFAS Comply

GWA CENTRAL WATER SYSTEM

PWSID: GU0000003 · MANGILAO, GU · Serving 21,398 people

Type: CWSOwner: SSource: 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
2025-08-05
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFUnAND—Below MRL2025-02-14
PFTAND—Below MRL2025-02-14
PFOSND4Below MRL2025-02-14
PFHxAND—Below MRL2025-02-14
PFDoAND—Below MRL2025-02-14
PFDAND—Below MRL2025-02-14
PFOAND4Below MRL2025-02-14
PFNAND10Below MRL2025-02-14
PFHxSND10Below MRL2025-02-14
PFHpAND—Below MRL2025-02-14
PFBSND—Below MRL2025-02-14
NMeFOSAAND—Below MRL2025-02-14
PFTrDAND—Below MRL2025-02-14
ADONAND—Below MRL2025-02-14
NEtFOSAAND—Below MRL2025-02-14
PFEESAND—Below MRL2025-02-14
11Cl-PF3OUdSND—Below MRL2025-02-14
lithiumND—Below MRL2025-02-14
9Cl-PF3ONSND—Below MRL2025-02-14
NFDHAND—Below MRL2025-02-14
PFMBAND—Below MRL2025-02-14
PFPeAND—Below MRL2025-02-14
PFMPAND—Below MRL2025-02-14
8:2 FTSND—Below MRL2025-02-14
4:2 FTSND—Below MRL2025-02-14
6:2 FTSND—Below MRL2025-02-14
PFBAND—Below MRL2025-02-14
HFPO-DAND10Below MRL2025-02-14
PFHpSND—Below MRL2025-02-14
PFPeSND—Below MRL2025-02-14
PFTAND—Below MRL2025-05-08
PFNAND10Below MRL2025-05-08
11Cl-PF3OUdSND—Below MRL2025-05-08
PFUnAND—Below MRL2025-05-08
PFHxAND—Below MRL2025-05-08
PFDAND—Below MRL2025-05-08
PFOSND4Below MRL2025-05-08
PFHxSND10Below MRL2025-05-08
PFHpAND—Below MRL2025-05-08
PFBSND—Below MRL2025-05-08
NMeFOSAAND—Below MRL2025-05-08
9Cl-PF3ONSND—Below MRL2025-05-08
PFTrDAND—Below MRL2025-05-08
PFDoAND—Below MRL2025-05-08
lithiumND—Below MRL2025-05-08
NEtFOSAAND—Below MRL2025-05-08
PFEESAND—Below MRL2025-05-08
PFOAND4Below MRL2025-05-08
PFHpSND—Below MRL2025-05-08
ADONAND—Below MRL2025-05-08
NFDHAND—Below MRL2025-05-08
PFMBAND—Below MRL2025-05-08
PFPeAND—Below MRL2025-05-08
PFMPAND—Below MRL2025-05-08
8:2 FTSND—Below MRL2025-05-08
4:2 FTSND—Below MRL2025-05-08
6:2 FTSND—Below MRL2025-05-08
PFBAND—Below MRL2025-05-08
HFPO-DAND10Below MRL2025-05-08
PFPeSND—Below MRL2025-05-08
PFMBAND—Below MRL2025-08-05
11Cl-PF3OUdSND—Below MRL2025-08-05
PFUnAND—Below MRL2025-08-05
PFHxAND—Below MRL2025-08-05
PFDoAND—Below MRL2025-08-05
PFDAND—Below MRL2025-08-05
PFOAND4Below MRL2025-08-05
PFOSND4Below MRL2025-08-05
PFNAND10Below MRL2025-08-05
PFHxSND10Below MRL2025-08-05
9Cl-PF3ONSND—Below MRL2025-08-05
PFBSND—Below MRL2025-08-05
NFDHAND—Below MRL2025-08-05
PFHpAND—Below MRL2025-08-05
ADONAND—Below MRL2025-08-05
HFPO-DAND10Below MRL2025-08-05
PFBAND—Below MRL2025-08-05
6:2 FTSND—Below MRL2025-08-05
4:2 FTSND—Below MRL2025-08-05
8:2 FTSND—Below MRL2025-08-05
PFEESAND—Below MRL2025-08-05
PFPeSND—Below MRL2025-08-05
PFHpSND—Below MRL2025-08-05
lithiumND—Below MRL2025-08-05
NMeFOSAAND—Below MRL2025-08-05
NEtFOSAAND—Below MRL2025-08-05
PFTrDAND—Below MRL2025-08-05
PFTAND—Below MRL2025-08-05
PFPeAND—Below MRL2025-08-05
PFMPAND—Below MRL2025-08-05
PFDAND—Below MRL2025-02-14
PFPeSND—Below MRL2025-02-14
PFEESAND—Below MRL2025-02-14
PFMBAND—Below MRL2025-02-14
PFPeAND—Below MRL2025-02-14
PFMPAND—Below MRL2025-02-14
8:2 FTSND—Below MRL2025-02-14
6:2 FTSND—Below MRL2025-02-14
HFPO-DAND10Below MRL2025-02-14
ADONAND—Below MRL2025-02-14
9Cl-PF3ONSND—Below MRL2025-02-14
11Cl-PF3OUdSND—Below MRL2025-02-14
PFUnAND—Below MRL2025-02-14
PFBSND—Below MRL2025-02-14
PFDoAND—Below MRL2025-02-14
4:2 FTSND—Below MRL2025-02-14
PFOAND4Below MRL2025-02-14
PFOSND4Below MRL2025-02-14
PFNAND10Below MRL2025-02-14
PFHxSND10Below MRL2025-02-14
PFHpAND—Below MRL2025-02-14
PFHpSND—Below MRL2025-02-14
NFDHAND—Below MRL2025-02-14
lithiumND—Below MRL2025-02-14
PFTAND—Below MRL2025-02-14
PFTrDAND—Below MRL2025-02-14
NEtFOSAAND—Below MRL2025-02-14
NMeFOSAAND—Below MRL2025-02-14
PFHxAND—Below MRL2025-02-14
PFBAND—Below MRL2025-02-14
11Cl-PF3OUdSND—Below MRL2025-05-08
lithiumND—Below MRL2025-05-08
PFPeAND—Below MRL2025-05-08
PFMBAND—Below MRL2025-05-08
PFEESAND—Below MRL2025-05-08
NFDHAND—Below MRL2025-05-08
PFPeSND—Below MRL2025-05-08
4:2 FTSND—Below MRL2025-05-08
6:2 FTSND—Below MRL2025-05-08
PFBAND—Below MRL2025-05-08
HFPO-DAND10Below MRL2025-05-08
PFMPAND—Below MRL2025-05-08
9Cl-PF3ONSND—Below MRL2025-05-08
8:2 FTSND—Below MRL2025-05-08
PFUnAND—Below MRL2025-05-08
PFHxAND—Below MRL2025-05-08
PFDoAND—Below MRL2025-05-08
PFDAND—Below MRL2025-05-08
PFOAND4Below MRL2025-05-08
PFOSND4Below MRL2025-05-08
PFHpSND—Below MRL2025-05-08
PFNAND10Below MRL2025-05-08
PFHxSND10Below MRL2025-05-08
PFHpAND—Below MRL2025-05-08
PFBSND—Below MRL2025-05-08
ADONAND—Below MRL2025-05-08
PFTAND—Below MRL2025-05-08
NMeFOSAAND—Below MRL2025-05-08
NEtFOSAAND—Below MRL2025-05-08
PFTrDAND—Below MRL2025-05-08
NMeFOSAAND—Below MRL2025-08-05
PFDoAND—Below MRL2025-08-05
PFHxAND—Below MRL2025-08-05
6:2 FTSND—Below MRL2025-08-05
NEtFOSAAND—Below MRL2025-08-05
PFBSND—Below MRL2025-08-05
PFTrDAND—Below MRL2025-08-05
PFTAND—Below MRL2025-08-05
PFEESAND—Below MRL2025-08-05
PFMBAND—Below MRL2025-08-05
PFPeAND—Below MRL2025-08-05
PFMPAND—Below MRL2025-08-05
PFUnAND—Below MRL2025-08-05
11Cl-PF3OUdSND—Below MRL2025-08-05
PFHxSND10Below MRL2025-08-05
PFHpAND—Below MRL2025-08-05
NFDHAND—Below MRL2025-08-05
PFOSND4Below MRL2025-08-05
PFOAND4Below MRL2025-08-05
PFDAND—Below MRL2025-08-05
8:2 FTSND—Below MRL2025-08-05
PFHpSND—Below MRL2025-08-05
4:2 FTSND—Below MRL2025-08-05
9Cl-PF3ONSND—Below MRL2025-08-05
ADONAND—Below MRL2025-08-05
HFPO-DAND10Below MRL2025-08-05
lithiumND—Below MRL2025-08-05
PFBAND—Below MRL2025-08-05
PFNAND10Below MRL2025-08-05
PFPeSND—Below MRL2025-08-05

Next steps