Camp Jurassic Drainage?

Last night I was at Camp Jurassic in Islands of Adventure, and I noticed something really strange. None of the rocks with the waterfalls had any water flowing, and the ponds around the camp were completely empty too. On top of that, it smelled really bad.

I’m not sure what was going on or if they were doing some kind of maintenance, but it was definitely confusing and a little weird to see the whole area like that!