Public water supply of Germany 2019
Public water supply of Germany 2019 by federal state and water type according to DESTATIS. In many federal states, the drinking water supply is mainly based on groundwater, in Bremen, Hamburg, Schleswig-Holstein and Saarland almost 100 %. In Thuringia, Saxony-Anhalt, and Saxony, nearly 40 % of the public water supply is based on lake and reservoir water, while in Berlin a large part of the drinking water is obtained from riverbank filtration and enhanced groundwater recharge
Source: BGR