Seems to me like atmospheric water generators are a good fit here. That gets rid of the brine problem entirely, and from what I've read it's competitive in term

Seems to me like atmospheric water generators are a good fit here. That gets rid of the brine problem entirely, and from what I've read it's competitive in terms of energy consumption. https://solarimpulse.com/solutions-explorer/high-efficiency-atmospheric-water-generators https://solarimpulse.com/solutions-explorer/high-efficiency-...