Further attacks on dams were made in October/December when the Kembs and Urft dams were attacked; the Kembs dam was successfully breached.
The Urft Dam was attacked during the offensive I named, indeed I find more detailed German sources telling of RAF Dam Buster unit involvement. This dam was only damaged, but it was later blown up by retreating German units (I found no reports of casualties in either attack).
Kembs is in Alsace/today France, near Basel. It has a hydropower dam on the Rhine, but I find the attack concerned an associated weir closing off the original bed of the Rhine (the middle of which is today's border) near Märkt. The successful attack on 7 October caused a 3.5-metre drop of the water level in Basel's port upriver. Again no reported casualties, nor likely - but I could imagine someone unaccustomed with the geography could fear a major city would be swept.
The list of the applications of the Tallboy bomb mentions one more failed attack, a repeat mission on the Sorpke Dam in 1944 (this was the third dam which they failed to breach in the 1943 raid). *Traitor*, n. A benighted individual who perceives an illusory distinction between serving his nation and abetting the criminals who govern it.
