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Farmers Clash With AI Data Centers Over Water in Montana

Wall Street Journal US Business •
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A 6,000‑acre parcel of cattle‑grazing land near Clint McRae’s southeastern Montana ranch has been bought by a local utility company, prompting speculation that a large‑scale AI data center could replace pasture.

McRae, who has watched his herd shrink amid chronic droughts, warns that the new project would siphon water that ranchers need to water grass and hydrate calves. The utility’s purchase signals a broader trend of data‑center developers moving into Montana, where inexpensive land and a reliable power grid attract tech firms.

Water‑dependent ranchers fear a permanent decline in their herds if the pipeline is redirected to servers. Investors in both sectors may see rising costs: data‑center operators could face higher water tariffs or regulatory fines, while ranchers could lose revenue from reduced herd sizes.

Regulators in the western plains may tighten water‑allocation rules, forcing a reevaluation of land‑use priorities. Market participants should monitor water‑pricing trends and new invariably‑approved permits as they can shift the balance between tech growth and agricultural sustainability.