It’s a separate facility which has to be approved, built, and operated beyond the existing water supply infrastructure. It’s not unworkable but you have the pro

It’s a separate facility which has to be approved, built, and operated beyond the existing water supply infrastructure. It’s not unworkable but you have the problem that everyone’s water bill goes up compared to what they’re paying now, and that leads to political consequences, which is why everyone has kicked it down the proverbial road hoping that it’ll either get cheaper or the supply problems will become bad enough that nobody questions the need.