Unable to answer "Is drinking water available here? If so, what is its source?" for https://osm.org/node/1945823280 via StreetComplete 55.0:

Kann vielleicht jemand Infos ergänzen am Brunnen.

Attached photo(s):
https://westnordost.de/p/187707.jpg
https://westnordost.de/p/187708.jpg