It is September 28, 2022. I am on the Elbe river sailing on the Viking Beyla ship (from Prague to Berlin). I can tell you that the water level is -- as the Captain just told me -- excellent. No navigation problems at all. It has been raining off and on for several days and the river has benefited from it.
For several weeks before our trip I tried to find actual current water levels here and all over the internet. Very frustrating. So, for anyone interested, I hope you enjoy my on-the-spot report.
Here's a photo of the river I took as we left Decin at 0530.