A French drain, a weeping tile, or a subsurface drain is a trench filled with gravel or rock and containing a perforated pipe. Its purpose is to collect and redirect groundwater away from your property, ensuring it doesn’t accumulate in undesired areas. The French recognized the need for an effective drainage solution to combat water accumulation in agricultural fields. https://texasgardenmaterials.com/landscape-design-houston-tx/french-drain-installation-houston-tx/