Germany's heat wave sparks water shortages and fire alerts

Germany and neighbouring regions are experiencing an intense summer heat wave, with the German Weather Service forecasting temperatures up to 36 °C across large parts of the country. The prolonged heat has driven groundwater levels down, reduced river flows and increased water consumption. In Munich, daily water use rose to about 4 500 L s⁻¹, well above the usual 3 500 L s⁻¹, prompting municipal officials to call for voluntary water saving.

Fire brigades in Austria’s Styria have been called on repeatedly to deliver water to farms and households, recording up to ten transports per day at the peak of the crisis. German fire services and the environment minister have likewise urged citizens to reduce water use as drought conditions worsen.

River levels have fallen dramatically; the Amper in Bavaria reached a historic low of 13 cm, cutting hydro‑electric output by roughly 15‑20 % and leaving several smaller streams dry. Lakes in Baden‑Württemberg report algal blooms, with health authorities warning that cyanobacteria can produce toxins and pose a risk to bathers.

The German Weather Service has issued a high forest‑fire danger rating (level 4 of 5) for much of Bavaria, and officials have advised the public to avoid activities that could ignite fires. Across the region, authorities are monitoring water supplies, fire risk and public health impacts as the heat wave continues.