PFAS Comply

Hard Rock Fire Mountain Water System

PWSID: 090605172 · Oroville, CA · Serving 9,500 people

Type: NTNCWSOwner: NSource: 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
2025-07-21
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFMBAND—Below MRL2025-01-06
PFNAND10Below MRL2025-01-06
NMeFOSAAND—Below MRL2025-01-06
NEtFOSAAND—Below MRL2025-01-06
PFTrDAND—Below MRL2025-01-06
PFTAND—Below MRL2025-01-06
PFMPAND—Below MRL2025-01-06
lithiumND—Below MRL2025-01-06
PFBSND—Below MRL2025-01-06
PFHxSND10Below MRL2025-01-06
PFOSND4Below MRL2025-01-06
PFOAND4Below MRL2025-01-06
PFDAND—Below MRL2025-01-06
PFDoAND—Below MRL2025-01-06
PFHxAND—Below MRL2025-01-06
4:2 FTSND—Below MRL2025-01-06
11Cl-PF3OUdSND—Below MRL2025-01-06
9Cl-PF3ONSND—Below MRL2025-01-06
ADONAND—Below MRL2025-01-06
HFPO-DAND10Below MRL2025-01-06
PFBAND—Below MRL2025-01-06
PFPeSND—Below MRL2025-01-06
6:2 FTSND—Below MRL2025-01-06
NFDHAND—Below MRL2025-01-06
8:2 FTSND—Below MRL2025-01-06
PFEESAND—Below MRL2025-01-06
PFHpSND—Below MRL2025-01-06
PFPeAND—Below MRL2025-01-06
PFUnAND—Below MRL2025-01-06
PFHpAND—Below MRL2025-01-06
PFHxSND10Below MRL2025-07-21
PFNAND10Below MRL2025-07-21
PFOAND4Below MRL2025-07-21
PFDAND—Below MRL2025-07-21
PFDoAND—Below MRL2025-07-21
PFOSND4Below MRL2025-07-21
NEtFOSAAND—Below MRL2025-07-21
PFTrDAND—Below MRL2025-07-21
PFTAND—Below MRL2025-07-21
lithiumND—Below MRL2025-07-21
PFHxAND—Below MRL2025-07-21
PFMBAND—Below MRL2025-07-21
NMeFOSAAND—Below MRL2025-07-21
4:2 FTSND—Below MRL2025-07-21
PFHpSND—Below MRL2025-07-21
PFPeSND—Below MRL2025-07-21
NFDHAND—Below MRL2025-07-21
PFEESAND—Below MRL2025-07-21
PFPeAND—Below MRL2025-07-21
PFBSND—Below MRL2025-07-21
PFHpAND—Below MRL2025-07-21
8:2 FTSND—Below MRL2025-07-21
PFUnAND—Below MRL2025-07-21
6:2 FTSND—Below MRL2025-07-21
PFBAND—Below MRL2025-07-21
HFPO-DAND10Below MRL2025-07-21
ADONAND—Below MRL2025-07-21
9Cl-PF3ONSND—Below MRL2025-07-21
11Cl-PF3OUdSND—Below MRL2025-07-21
PFMPAND—Below MRL2025-07-21

Next steps