I walked into a village and received the "you've found something to barter about?" shout. Upon bartering and asking them to remind me of what I owe them, I was told I owe them for a wooden tub of water. I vaguely recall picking up and drinking from the wooden tub briefly several months ago (perhaps I filled my skin instead? I don't recall). They did not seem upset, as if I had stolen anything; they simply wish to barter as if I still have the tub in my possession.
I have a copy of my save set aside in case it is needed.