The water system used to fight the Palisades fire in Los Angeles buckled under the demands of what turned out to be the most destructive fire in city history, with some hydrants running dry as they were overstressed without assistance from firefighting aircraft for hours early Wednesday. [time-brightcove not-tgx=”true”] The Los Angeles Department of Water and Power was pumping from aqueducts and groundwater into the system, but demand was so high that it wasn’t enough to refill three 1-million gallon tanks in hilly Pacific Palisades that help pressurize hydrants for the neighborhood.