From the middle of the 19th century, preventing dangerous diseases caused by polluted water, such as typhus or cholera, was a great concern to many people, not only in Vienna. Only few households had a guaranteed supply of clean water. One was in danger despite or perhaps especially because of having an own well. The pollution increased as the population grew and the first supply networks did not suffice in the least. In 1873, the first spring water line supplied pure water to many Viennese...