You just cannot assume the local water is safe. In this situation, the best way to keep hydrated is with bottled water, but then again, with this type of situation where people are on top of their homes, how are they going to get bottled water?
We just cannot get to places physically to figure out what is needed. Everybody seems to be walking around trying to assess what's going on and what potential threats will be.
It is not going to be 14 days, and they are not going to be kicked out of the hotels. Our priority is to make sure these people have a shelter over their heads.
Even if you don't believe you're in the path of a natural disaster, like Katrina, all people and businesses are still vulnerable to something like a tanker overturning or a major fire. You should not operate without a disaster plan.