LAKE ARROWHEAD CSD

PWSID: CA3610005 · LAKE ARROWHEAD, CA · Serving 7,038 people

Type: CWSOwner: LSource: SW

Settlement eligible

May qualify for 3M/DuPont settlement funds

Exceeds MCL

One or more PFAS compounds exceed EPA Maximum Contaminant Levels. Corrective action required by 2031.

PFOA14 ppt(MCL: 4 ppt)

PFOS7.2 ppt(MCL: 4 ppt)

EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31

Exact contamination levels

Upgrade to Pro to see PFOA/PFOS ppt values and MCL comparison charts.

PFAS compounds detected

14 ppt

Highest single detection

Highest detection

Pro feature

2023-08-07

Latest sample date

complete

Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5) · 464 compounds tested

Contaminant	Result (ppt)	MCL (ppt)	Status	Sample date
PFBA	ND	—	Below MRL	2024-07-10
PFMBA	ND	—	Below MRL	2023-05-03

462 more results hidden