By Dhiladhila Magazine · Issue 06

Beneath the ownership deal sits a harder question about a dry region asked to water a mine, its towns and its farms at once.

Beneath the ownership headlines, Etango poses a question that has nothing to do with China and everything to do with the Namib: where a semi-arid region finds the water to run a uranium mine without drawing it away from towns and farms. The June 2026 approval of the deal makes that a live problem rather than a distant one.

This is a sustainability question before it is a minerals one. Heap-leach uranium is thirsty, Erongo is one of the driest inhabited places on the continent, and every cubic metre the mine consumes is a cubic metre unavailable to a farmer, a household or a coastal town further down the same system.

A thirsty process on dry ground

Etango’s method sets its water bill. Sulphuric-acid heap leaching needs a continuous flow to irrigate the ore stacks, and the project’s requirement runs to roughly 3.4 million cubic metres a year. In a wetter country that would be unremarkable; in the central Namib it is a claim on a resource that was already fully spoken for before the mine arrived.

The competition is not abstract. The same regional supply feeds Swakopmund and Walvis Bay, the existing uranium mines, and what irrigated food production the coast supports, so a new large draw lands on a system with no slack in it.

In the Namib every cubic metre a mine drinks is one a town or a farm does not.

Aquifers already under strain

The region has long leaned on groundwater from the Omdel and Kuiseb systems, and those aquifers are stressed. Reduced recharge, ageing infrastructure and rising demand have thinned reserves that mines, municipalities and agriculture all draw from, and adding a uranium plant to that list without a new source would simply deepen the shortfall.

That is the sustainability trap in an arid economy. Groundwater is a savings account that recharges slowly, and financing a mine on aquifer draw alone would spend down a reserve that farming and settlement cannot easily replace.

Pumping harder from a stressed aquifer is borrowing water the region cannot repay.

Desalination as the pressure valve

The intended answer is the sea. Regional planning leans on expanding coastal desalination near Swakopmund toward roughly twenty million cubic metres a year of climate-independent seawater, enough to serve new mining demand while easing the pull on inland aquifers. A mine watered from the ocean is, in principle, a mine that does not compete with a farm.

The catch is sequence and cost. Desalinated water is energy-intensive and expensive, and the plant has to be built and connected before the aquifers are asked to bridge the gap, or the interim draw falls straight onto the resource everyone else depends on.

Seawater only protects the farms if it arrives before the mine reaches for the aquifer.

The food-and-water balance

For a semi-arid region, water strategy is food strategy. Namibia has been managing through repeated drought, and the same desalinated supply is meant to serve domestic, agricultural and industrial users together, which only works if the mine’s demand is added to a growing pool rather than subtracted from a fixed one. The stewardship measure is whether total secure supply rises faster than total demand.

That balance is the real test of the deal’s sustainability. Uranium revenue that funds regional water security strengthens the whole system; a mine that consumes scarce water without enlarging the source weakens the food base it sits beside.

The mine is sustainable only if it grows the region’s water, rather than dividing it.

For anyone in agribusiness, water utilities or conservation finance, Etango is a test of whether extraction and food security can share one arid catchment. The decision it forces on planners and investors is whether to fund the desalination and pipeline capacity that lets a mine, a town and a farm draw from the same region without one starving the others, and to fund it before the first heap is irrigated.

Sources: The Namibian; NamWater plans pipeline and desalination for mining (The Brief); New desalination plant to ease water woes for the mines (The Extractor)