It took a full three days for the Water Ability Users to painstakingly reclaim all the seawater they could find from the wilderness and from the mouths of the insects.
Ultimately, when it converged back into the basin where "Atlantis" was located, less than half of what originally escaped remained. Some evaporated into the atmosphere, some seeped underground, and some were drunk by the insects, leaving humans completely powerless.
Regardless of whether they could find a way back to Blue Star, how the nearly twenty thousand people in the "Wall of Sighs" task force could survive on this unfamiliar planet was the top priority. We can't wait until we're about to run out of food or face another emergency to think of a solution!