PFAS Comply

PUNAHOU SCHOOL

PWSID: HI0000324 · HONOLULU, HI · Serving 4,000 people

Type: NTNCWSOwner: PSource: GW
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
2025-06-16
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

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

Violation history

Monitoring & Reporting - PFOA(PFOA)
2017-01-01 · Resolved · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2017-01-01 · Resolved · Tier 3

Next steps