The figure seems like a calculation error. But it is reality: In some areas in the northwest of the Pyrénées-Orientales department, up to 61 percent of drinking water is lost even before it reaches households. In a region that has been suffering from extreme drought for years, this figure reveals a problem that has long been hidden underground – dilapidated pipelines, lack of investment, and a water system increasingly pushed to its limits.
The cause lies in a network that in many places dates back to another era. Numerous water pipes were laid decades ago and are silently aging. Corrosion, porous seals, and fine cracks cause valuable drinking water to leak continuously. The water is laboriously extracted, treated, and transported – only to seep away into the ground afterwards.
Experts refer to the “network efficiency.” This value describes how much water actually reaches the consumer. Nationwide in France, the average is around 80 percent. However, in some communities in the Pyrénées-Orientales, this value drops dramatically. When more than half of the drinking water is lost, it is no longer a matter of isolated defects but a structural problem.
The situation is especially critical given the ongoing drought. The Pyrénées-Orientales is among the regions most affected by water shortage in France. Falling groundwater levels and increasingly rare precipitation have characterized the situation for years. Nature is sending warning signals – and the infrastructure responds with leaks.
For many residents, this creates a hard-to-understand contradiction. While gardens can only be watered under restrictions, pools are subject to strict regulations, and farmers fear for their crops, a significant portion of the drinking water disappears unused into the ground. This causes frustration. Some citizens wonder why ever-new restrictions are imposed when at the same time the pipeline network itself has become the biggest source of waste.
Small rural communities are particularly affected. Often these lack the financial means to carry out extensive renovation work. Renewing a water network quickly costs several hundred thousand euros per kilometer. For villages with a few hundred inhabitants, this means a huge financial challenge. Without support from the state, regions, or water authorities, much remains patchy.
Added to this is a complex administrative structure. In France, water is managed by municipalities, special-purpose associations, intercommunal institutions, and partially private operators. This multitude of responsibilities complicates long-term strategies. Often, those responsible react only when damage becomes visible. Preventive modernization easily falls behind.
The coming years will therefore be crucial. Experts see the renewal of water infrastructure as one of the major but hardly visible challenges of the 21st century. Modern leak detection systems, stronger cooperation between municipalities, and additional financial aid are considered possible ways out of the crisis. But every one of these solutions costs money and requires political decisions that are not always popular.
The high water losses ultimately tell a bigger story. They show how a country that long relied on sufficient water reserves is now confronted with the consequences of climate change and decades of postponed investments. Climate change did not create the weaknesses, but it makes them unmistakable.
In the Pyrénées-Orientales, this development is especially evident. The region symbolically represents a new reality in which water is no longer taken for granted. Every liter counts. And every drop lost through a damaged pipe serves as a reminder that the supply of the future depends not only on rainfall but also on the condition of the infrastructure beneath our feet.