From dictionary.com \t\t\t\tpercolate\t\t\t\t\t\t \t\t\t\t\t\t- vb\t\t\t\t\t\t1.\t\t\t\t\t\t\tto cause <span>(a liquid) to pass through a fine mesh, porous substance, etc, or (of a liquid) to pass througha fine mesh, porous substance, etc; trickle: </span>rain percolated through the roof\t\t So no, unless the splash guard has water in it....which would kind of defeat the purpose of a splash guard, it is not considered a perc.