Not like the bigger lakes in the world corresponding to Brombachsee and Altmühlsee, it's n't used to switch water that flows naturally from the Danube into the Regnitz and Most important river techniques. In the longterm, an average annual switch by way of the complete system of a hundred and fifty million m³ of water is expected, 5/6 of which through the main- Danube Canal. Nonetheless, when the algae problem happens in the inflowing lakes, new water is often not fed into the lake, which implies the water stage drops significantly in summer time time. It is surrounded by a ditch that runs all around and was beforehand filled with water. A small stream flows by means of the ditch from the south. The final house owners, Hermann and Elsa Walter, ran the mill&# 39, s agriculture and sawmill until the mill was demolished within the 1980s and the Kleiner Brombachsee was flooded. The Furthmühle has been run by the Walter household since 1748. The mill had been operated by the Walter household since 1858 until the property was bought by the Free State of Bavaria tobuild the Kleiner Brombachsee. Since 1999, flood water on the upper Altmühl has been diverted into the Altmühlsee, from the place it flows through a tunnel into the Brombachsee, which is already deeper on the other aspect of the watershed. On the solution to Brombachsee, the watershed is crossed again.
