The Salar Is Not a Mine. It Is a Basin, and Nobody Is Reading Its Gauges

The debate over Chilean lithium is framed as market versus state: should the brine beneath the Salar de Atacama be pumped by private firms like SQM and Albemarle, or brought under national control through Codelco? But the real object here is a shared resource, the water system of the Atacama basin. The brine, the freshwater aquifers along its edges, and the lagoons where flamingos feed are hydrologically entangled. The question is not who should own the lithium but who actually draws on that water, and whether they can govern it together.

Consider who those users are. The lithium producers pump brine from the salar’s core and leave it to evaporate in ponds you can see from orbit. The copper mines on the basin’s flanks draw freshwater from the same broader system. The Lickanantay communities of Peine, Toconao and the oases around San Pedro irrigate alfalfa and quinoa from springs and canals some of them have maintained for centuries. Tourism operators sell the lagoons as scenery. Each of these users can degrade the resource for all the others, and none of them controls it. That is the definition of a commons, and the national conversation has largely missed it, because it has been arguing about royalties.

The Codelco-SQM arrangement shows this most clearly. Its defenders make a serious case. Lithium is a strategic input for decarbonisation, the world needs it quickly, and only the national state can negotiate at the scale of global battery markets, capture rents for public use, and resist capture by any single firm. I take that seriously. A scattering of village councils cannot price a commodity against Shanghai. But notice what changed when the state took a controlling hand: the identity of the party collecting revenue. What did not change is the thing that matters to the woman in Peine checking whether her canal runs as full this spring as it did when her mother tended it. Who measures the water table, and who can do anything when it drops? The answer was the companies before the deal, and it is largely still the companies.

This is the condition that fails first. Durable commons, from Spanish huertas to Swiss alps, rarely survive without monitors who are accountable to the users themselves. Here, each extractor monitors its own wells and reports to regulators who lack the staff and the mandate to integrate the picture. Chilean law has tended to treat brine as ore rather than water, so the resource’s administrative boundary does not match its physical one. Permits are drawn around companies, while the water moves around the basin. A rule set that cannot see the whole basin cannot govern it.

The second failure condition is easier to miss, and I would not want sympathy for the communities to hide it. Over the past decade, firms have signed benefit agreements with the Consejo de Pueblos Atacameños and with individual villages, sharing a portion of sales revenue. Those payments are real and often welcome. They also give each community a private stake in continued pumping while dividing them over how the money is spent, and some villages accept agreements their neighbours reject. A user group that is paid separately by the parties it is supposed to monitor has not been given a seat at a governing table. It has become another account on the company’s ledger. Local self-governance does not happen merely because indigenous people live nearby. It requires collective-choice arrangements in which the users actually set the rules, and in the Atacama these are still thin.

So the honest judgement is that the conditions for good basin governance are absent, and this is a problem neither nationalisation nor privatisation solves on its own terms. What would help is polycentric rather than romantic. A basin-level body could hold binding authority over aggregate extraction, with copper and lithium producers counted against one water budget rather than separate permits. The monitoring network could be jointly operated, with community technicians holding keys to the well data. Sanctions could escalate from warnings to suspension, applied by a body the users helped constitute. The national state would remain one centre among several, setting the outer limits and enforcing them. The market would keep pricing the metal. Neither would be the only one making decisions.

The batteries that come out of this desert will power cars in places where it rains. Somewhere in Toconao, a farmer opens a sluice gate on a Tuesday because that is her turn, by a rule older than the republic. That rule is the most effective water governance in the basin, and no ministry and no shareholder report has ever recorded it.