Nazmul Ahsan Meraz / Unsplash Late September in the Tri-Cities is when the addition conversation gets exciting. Someone has a magazine page for the new kitchen. Someone else has a phone quote for “just a twelve-foot bump-out.” And almost nobody has asked the quiet question that keeps basements dry and neighbors civil: where does the water go after you change the ground? I have watched more than one project get beautiful indoors and miserable outdoors because the lot was treat