Clean water is a public good, it is required for basic human survival. It is needed to grow crops to feed people. Both of these uses depend on fairly cheap water, in many many places the supply of sufficiently cheap water is already constrained. This is causing a shortage for both basic human needs, and agriculture.
Who will pay for the desalination plant construction? Who will pay for the operation?
If the AI companies are ready to pay the full marginal cost of this "new water", and not free-load on the already insufficient supply needed for more important uses, then fine. But I very much doubt that is what will happen.
https://www.thedalles.org/news_detail_T4_R180.php - "The fees paid by Google have funded essential upgrades to our water systems, ensuring reliable service and addressing the City's growing needs. Additionally, Google continues to pay for its water use and contributes to infrastructure projects that exceed the requirements of its facilities."
https://commerce.idaho.gov/press-releases/meta-announces-kun... - "As part of the company’s commitment to Kuna, Meta is investing approximately $50 million in a new water and sewer system for the city. Infrastructure will be constructed by Meta and dedicated to the City of Kuna to own and operate."
For desalination, the important part is paying the ongoing cost. The opex is much higher, and it's not fair to just average that into the supply for everyone to pay.
Are any data centers using desalinated water? I thought that was a shockingly expensive and hence very rare process.
(I asked ChatGPT and it said that some of the Gulf state data centers do.)
They do use treated (aka drinking) water, but that's a relatively inexpensive process which should be easily covered by the extra cash they shovel into their water systems on an annual basis.
Read the comment I replied to, they proposed that since desalination is possible, there can be no meaningful shortage of water.
And yes, many places have plenty of water. After some Capex improvements to the local system, a datacenter is often net-helpful, as they spread the fixed cost of the water system cost out over more gallons delivered.
But many places don't have lots of water to spare.
Who will pay for the desalination plant construction? Who will pay for the operation?
If the AI companies are ready to pay the full marginal cost of this "new water", and not free-load on the already insufficient supply needed for more important uses, then fine. But I very much doubt that is what will happen.