nbc's tammy leutner is following the aftermath on the ground in san juan and joins us now. en hearing this is worse than the worst-case scenario. take us through what you're seeing there. >> reporter: absolutely, steve. you're hearing correctly. everywhere we go, every town we go to, people are waiting for help. they're waiting for aid. you see cleanup going on down here in san juan, but in other towns, rescue workers have not even been able to reach certain communities. they don't know if people are trapped. if they need medical attention. that's one of the biggest problems. part of it is because of the roads. the other part is because of the lack of communication. there's only cell phone service spotty a across the island. we see people pulled over on the highway trying to get a cell bar, call out and get some type of help. another big problem, the bake necessities here. talking about gas, food and, of course, the big one, water. there's no water on about 60% of the island. no drinking water. now, imagine that. people are going to great lengths to get water wherever and ho