When the heat lingers over France and the asphalt in the suburbs of Paris shimmers, some streets suddenly turn into improvised water parks. Children run screaming through towering fountains, young people film the scene on their phones, residents sit on camping chairs by the roadside. For a brief moment, everything seems like a summer party in the middle of the big city.
But behind the spectacular images lies a problem that is making authorities increasingly nervous.
With every new heatwave, the so-called “Street Pooling” resurfaces in France. This involves illegally opening fire hydrants – the famous “bouches à incendie” – to create drinking water fountains for cooling down. The densely populated Île-de-France around Paris is particularly affected by this. Many neighborhoods lack free swimming pools, green spaces, or public places where people can relax at temperatures above 35 degrees. So some just turn to the hydrant themselves.
What looks like innocent summer fun on TikTok or Instagram, however, causes enormous stress for firefighters and water suppliers.
Because as soon as a fire hydrant is opened, the water pressure in the pipeline network sometimes drops drastically. In the worst case, the fire department lacks the pressure that is crucial for the firefighting vehicles during a fire. For years, emergency responders have reported situations where open fire hydrants affect entire streets. This can have fatal consequences, especially in densely built residential neighborhoods.
In addition, there are floods, flooded basements, and damaged parking garages. Water sprays with enormous force from the pipes, drags traffic signs along, undermines sidewalks, and turns intersections into small lakes within minutes. Drivers lose control on the wet roads, pedestrians fall, electrical wires come dangerously close to the water fountains. Sometimes a mere coincidence is enough – and the fire brigade is suddenly on call not because of the heat, but because of a serious accident.
The enormous water wastage is especially paradoxical.
France has been struggling for years with drought, declining groundwater levels, and increasingly frequent dry periods. Municipalities discuss water restrictions, farmers fear for their crops, and in some regions discussions are already underway about dealing with water shortages. At the same time, thousands of liters of drinking water disappear uncontrolled onto the streets within hours. A single open pipe can lose up to 80 cubic meters of water per hour – an amount that would supply many households for days.
Many people also completely underestimate the danger of injuries. The pressure force of a fire hydrant is enormous. In recent years, children have been thrown several meters through the air by water fountains multiple times. Some sustained serious injuries. Firefighters no longer speak of youthful recklessness, but of a serious threat to public safety.
France is now responding more harshly. Cities are installing special protective rings on fire hydrants, tightening inspections, and threatening hefty fines and prison sentences for damage to public property. However, the security systems cost municipalities millions – money that is missing elsewhere.
The discussion mainly shows one thing: climate change not only alters temperatures but also life in cities. Where heat clashes with social inequality, new conflicts arise. Children seek cooling, families flee cramped homes, public infrastructure becomes overloaded. The opened fire hydrants are therefore more than mere vandalism. They are also a symptom that many urban areas are barely prepared for extreme summers.
And precisely there lies the actual explosive nature of these images.
Andreas M. Brucker