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In Jordan’s cities, green tanker trucks supplying water are a common sight. The average Jordanian only receives one and a half days of access to piped water per week. When taps run dry, citizens and business owners pick up the phone to order a water delivery to fill their rooftop or basement storage tanks.

These trucks are usually not sent by the local water utility, however. Rather, they are operated by individual vendors who source their water from private wells with a license to sell drinking water or, increasingly, without one. This is the story of the rise of illegal water markets in the Middle East, as the climate crisis leads to more intense and frequent droughts.

When the government struggles to supply enough water

Water delivery via road is increasingly relevant in major cities worldwide. In parts of the world, urban water networks have deteriorated to such a degree that 1 billion people already face frequent public water supply interruptions. This has led to a proliferation of informal water markets. In many water-scarce countries, truck drivers, well owners, or both operate without a license to evade charges and try to obscure their activities. Whether these markets alleviate or exacerbate water stress is a question research has yet to answer.