US military faces crisis in Hawaii after leak poisons water

TL;DR - A giant U.S. government fuel storage installation hidden inside a mountain ridge overlooking Pearl Harbor has provided fuel to military ships and planes crisscrossing the Pacific Ocean since World War II.

Its very existence was a secret for years. Even after it was declassified, few people paid attention — until late last year, when jet fuel leaked into a drinking water well, showed up in tap water and sickened thousands in military housing.

February 5, 2022: US military faces crisis in Hawaii after leak poisons water, ABC News