WA Lockdown, page-145

I would like to see the economics of pumping water from the Kimberleys down to Perth , guessing it would have to be piped rather than via canals as in California .
Personally I doubt if it would stack up economically given in QLD over shorter distances ie from Rockhampton's Fitzroy river to Brisbane they could not make it viable .
Are there other alternatives ie increase woodlands , to increase cloud formation and or recharge aquifers ?

"The increase in tree cover and the associated higher LAI resulted in an enhanced latent heat flux from the land surface to the atmosphere by 5–40%, with the strongest proportional increase in southwest Australia (Fig. 2c). The area-averaged latent heat over all restored regions (Fig. 2a), that cover one fifth of continental Australia, increased by 10%. For the whole continent, the increase was 2.6%. The analysis of the surface energy balance showed an increased partitioning of latent heat relative to sensible heat. The increase in latent heating dominated the climate response and cancelled the impact of increased short-wave radiation due to the decrease in albedo (Fig. 2b). On average, the albedo decreased by 1% over all restored regions. The resulting stronger evaporative cooling led to lower surface temperatures, with a cooling of 0.66 °C averaged over all restored areas "

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4931580/