Other parts of Japan hosting U.S. bases have also detected high PFAS concentrations at rivers and other water sources, prompting a demand for inspections.
Residents living near a U.S. military base in western Tokyo have been having deepening concerns about their health after a recent local study found many of them have excessive amounts of harmful substances, dubbed "forever chemicals," in their bloodstream.
The citizens’ group tested people ages 21 and 91, mostly living in Kokubunji city, according to a report. Kokubunji is downstream and about 6 miles east of Yokota Air Base.