My new swale did a good job slowing down water runoff and promoting water insoak, but it needed to be tweaked a little to transform it from just a ditch to a gentle slope that we can take care of with the riding mower. I used a box blade on the tractor to even everything out. We also buried a 4-inch drain pipe and covered it with crushed rock. I’ll encourage grass to grow on top of the rock. All the trees I’ve transplanted seem to be doing great.