Unable to answer "Gibt es hier Trinkwasser? Wenn ja, aus welcher Quelle?" – Township of Langley (Trinkwasser) – https://osm.org/node/12161174784 via StreetComplete 63.1:

There are two combined, one for bottles and a separated one to drink.

Attached photo(s):
https://streetcomplete.app/p/342977.jpg