[thaumasiotes]

Saying that there is not an economically plausible way of producing or keeping water is just saying that you don't want the water very much. This immediately proves that, if you are in a drought, it doesn't really matter.

Water is cheap.

[IgorPartola]

I think you misunderstand the scale of which we are talking about here. This isn’t a swimming pool or a lake’s worth of water.

[piva00]

Available free running water is cheap. Building reservoirs, with all their environmental and social impacts, is not cheap.