Design and Construction, Inc Design and Construction, Inc Dry well A dry well is used to quickly transfer excess surface water deeper into the subsoil. It can be as simple a hole dug with a post hole digger and filled with gravel and sand,or as complex as a pre-cast concrete sleeve lowered into a large hole and fed by drainage pipes. French Drain The French Drain is a time-honored system for eliminating excess water from low points and other areas prone to saturated soil. French Drains are quite simple: in essence they are just tranches filled with gravel, with sand on top of that. Often, you will see French drains defined to include a drain pipe as well, though the traditional design is simply the gravel-filled trench. In addition, drain can be covered over with turf after installation, making it less conspicuous. Let us solve your problem!!!