text:  and we've noticed periodically after a heavy rain, we'll find water spots in the center of the floor that have just shown up. There's no plumbing overhead that's dripping. It's got to be seeping in from the concrete. How do we handle this? Well, let's make sure it is coming up through the concrete and not just condensation inside the basement. It probably is coming through the floor, but let's just double-check. Take a piece of, you know, like 4-mil plastic and just tape a square.