The Isar currently carries significantly more water than usual. This is not only due to the heavy rain, but also to the control of the Sylvenstein reservoir.
At its peak, 140 cubic meters per second flowed through the city of Bad Tölz. The amount of discharge will increase even further in the next few days – to 120 cubic meters a second. The increase in runoff has another effect, says Tobias Lang, who is responsible for storage at WWA. Silt comes loose, gravel is transported a little further.