OH3 - SOAP connection for Saxonian "Hochwasserinformations- und Managementsystem (HWIMS)"

as far as I see, the HWIMS uses SOAP, which is a pain in the a$$ to use.
you could try to use something like here in that python:
https://github.com/SENERGY-Platform/import-saxony-water-levels

not sure, if MOWAS also has those information, but I import the MOWAS emergency broadcasts like this with openHAB:

https://github.com/binderth/mowas_mqtt