Floating solar farms on the reservoirs will radically reduce evaporation, besides providing power. The power generated can be used, in many cases, to pump water back up to the next higher reservoir.

Too bad for the fish, eh?

They were not consulted about building the dams.

Dams are the only thing making the southwest habitable at scale (regular water regardless of river flow).

There’s plenty of water for residential and even commercial use without dams. Dams are the only thing making the southwest farmable.