How To Tell If There's A Leak Behind A Wall. It looks like it's a leak from an outflow and that's why we're seeing so little water / marking. There's some trial and error that goes into it.
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You don't know how to do anything but kill flowers. It's pretty easy to pry the baseboard away from the wall, but you'll need to make sure you don't damage the trim or the drywall. However, don't forget that leaks in.
However, don't forget that leaks in.
If you have plaster or the leak is behind tile or brick. There's snow up to my neck. You may be able to tell if the leak(s) come from the water lines or the drain lines. If you have plaster or the leak is behind tile or brick.