As someone who works outside frequently and in Texas, this is a very good thing.
Texas recently blocked cities and counties from having heat stroke prevention rules for businesses.
Florida did similarly as well.
A rule like this will save lives (assuming it can survive the court system)
From what I've seen it's "not worth the effort or expense" to reuse the water. Some of them literally just send tap water through the cooling loops and then into the sewer drains